| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1206698 | dksnfjkfnwkfw | Nautilus (BOI19_nautilus) | C++20 | 컴파일 에러 | 0 ms | 0 KiB |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 505;
int R, C, M;
string signal;
char grid[MAXN][MAXN];
bitset<MAXN> curr[MAXN], next_[MAXN];
int dx[4] = {-1, 0, 1, 0}; // N E S W
int dy[4] = {0, 1, 0, -1};
char dc[4] = {'N', 'E', 'S', 'W'};
bool inBounds(int x, int y) {
return x >= 0 && x < R && y >= 0 && y < C;
}
void shift(int dir) {
for (int i = 0; i < R; ++i) next_[i].reset();
for (int i = 0; i < R; ++i) {
int ni = i + dx[dir];
if (ni < 0 || ni >= R) continue;
if (dy[dir] == 1) {
// right
next_[ni] |= (curr[i] >> 1);
} else if (dy[dir] == -1) {
// left
next_[ni] |= (curr[i] << 1);
} else {
next_[ni] |= curr[i];
}
}
// Cập nhật hợp lệ (chỉ đi vào ô nước)
for (int i = 0; i < R; ++i) {
curr[i].reset();
for (int j = 0; j < C; ++j) {
if (grid[i][j] == '.' && next_[i][j]) {
curr[i][j] = 1;
}
}
}
}
int main() {
ios::sync_with_stdio(false); cin.tie(nullptr);
cin >> R >> C >> M;
for (int i = 0; i < R; ++i) cin >> grid[i];
cin >> signal;
// Bắt đầu từ tất cả ô nước
for (int i = 0; i < R; ++i)
for (int j = 0; j < C; ++j)
if (grid[i][j] == '.') curr[i][j] = 1;
// Mô phỏng từng bước
for (char ch : signal) {
if (ch == '?') {
bitset<MAXN> tmp[MAXN];
for (int d = 0; d < 4; ++d) {
// Lưu curr tạm thời
bitset<MAXN> backup[MAXN];
for (int i = 0; i < R; ++i) backup[i] = curr[i];
shift(d);
for (int i = 0; i < R; ++i) tmp[i] |= curr[i];
// Restore curr
for (int i = 0; i < R; ++i) curr[i] = backup[i];
}
for (int i = 0; i < R; ++i) curr[i] = tmp[i];
} else {
int d = find(dc, dc + 4, ch) - dc;
shift(d);
}
}
int ans = 0;
for (int i = 0; i < R; ++i) ans += curr[i].count();
cout << ans << '\n';
}
컴파일 시 표준 에러 (stderr) 메시지
nautilus.cpp:6:8: error: 'std::string signal' redeclared as different kind of entity
6 | string signal;
| ^~~~~~
In file included from /usr/include/c++/11/csignal:42,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:43,
from nautilus.cpp:1:
/usr/include/signal.h:88:23: note: previous declaration 'void (* signal(int, __sighandler_t))(int)'
88 | extern __sighandler_t signal (int __sig, __sighandler_t __handler)
| ^~~~~~
nautilus.cpp: In function 'int main()':
nautilus.cpp:52:9: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'})
52 | cin >> signal;
| ~~~ ^~ ~~~~~~
| | |
| | void (*(int, __sighandler_t) noexcept)(int) {aka void (*(int, void (*)(int)) noexcept)(int)}
| std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:120:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
120 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ^~~~~~~~
/usr/include/c++/11/istream:120:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: invalid conversion from 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'} to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive]
52 | cin >> signal;
| ^~~~~~
| |
| void (* (*)(int, __sighandler_t) noexcept)(int) {aka void (* (*)(int, void (*)(int)) noexcept)(int)}
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:124:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios<char>]' (near match)
124 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ^~~~~~~~
/usr/include/c++/11/istream:124:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: invalid conversion from 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'} to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive]
52 | cin >> signal;
| ^~~~~~
| |
| void (* (*)(int, __sighandler_t) noexcept)(int) {aka void (* (*)(int, void (*)(int)) noexcept)(int)}
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:131:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
131 | operator>>(ios_base& (*__pf)(ios_base&))
| ^~~~~~~~
/usr/include/c++/11/istream:131:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: invalid conversion from 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'} to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive]
52 | cin >> signal;
| ^~~~~~
| |
| void (* (*)(int, __sighandler_t) noexcept)(int) {aka void (* (*)(int, void (*)(int)) noexcept)(int)}
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:168:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
168 | operator>>(bool& __n)
| ^~~~~~~~
/usr/include/c++/11/istream:168:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:172:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
172 | operator>>(short& __n);
| ^~~~~~~~
/usr/include/c++/11/istream:172:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: invalid conversion from 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'} to 'short int' [-fpermissive]
52 | cin >> signal;
| ^~~~~~
| |
| void (* (*)(int, __sighandler_t) noexcept)(int) {aka void (* (*)(int, void (*)(int)) noexcept)(int)}
nautilus.cpp:52:12: error: cannot bind rvalue '(short int)signal' to 'short int&'
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:175:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
175 | operator>>(unsigned short& __n)
| ^~~~~~~~
/usr/include/c++/11/istream:175:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: invalid conversion from 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'} to 'short unsigned int' [-fpermissive]
52 | cin >> signal;
| ^~~~~~
| |
| void (* (*)(int, __sighandler_t) noexcept)(int) {aka void (* (*)(int, void (*)(int)) noexcept)(int)}
nautilus.cpp:52:12: error: cannot bind rvalue '(short unsigned int)signal' to 'short unsigned int&'
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:179:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
179 | operator>>(int& __n);
| ^~~~~~~~
/usr/include/c++/11/istream:179:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: invalid conversion from 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'} to 'int' [-fpermissive]
52 | cin >> signal;
| ^~~~~~
| |
| void (* (*)(int, __sighandler_t) noexcept)(int) {aka void (* (*)(int, void (*)(int)) noexcept)(int)}
nautilus.cpp:52:12: error: cannot bind rvalue '(int)signal' to 'int&'
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:182:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
182 | operator>>(unsigned int& __n)
| ^~~~~~~~
/usr/include/c++/11/istream:182:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: invalid conversion from 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'} to 'unsigned int' [-fpermissive]
52 | cin >> signal;
| ^~~~~~
| |
| void (* (*)(int, __sighandler_t) noexcept)(int) {aka void (* (*)(int, void (*)(int)) noexcept)(int)}
nautilus.cpp:52:12: error: cannot bind rvalue '(unsigned int)signal' to 'unsigned int&'
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:186:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
186 | operator>>(long& __n)
| ^~~~~~~~
/usr/include/c++/11/istream:186:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: invalid conversion from 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'} to 'long int' [-fpermissive]
52 | cin >> signal;
| ^~~~~~
| |
| void (* (*)(int, __sighandler_t) noexcept)(int) {aka void (* (*)(int, void (*)(int)) noexcept)(int)}
nautilus.cpp:52:12: error: cannot bind rvalue '(long int)signal' to 'long int&'
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:190:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
190 | operator>>(unsigned long& __n)
| ^~~~~~~~
/usr/include/c++/11/istream:190:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: invalid conversion from 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'} to 'long unsigned int' [-fpermissive]
52 | cin >> signal;
| ^~~~~~
| |
| void (* (*)(int, __sighandler_t) noexcept)(int) {aka void (* (*)(int, void (*)(int)) noexcept)(int)}
nautilus.cpp:52:12: error: cannot bind rvalue '(long unsigned int)signal' to 'long unsigned int&'
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:195:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
195 | operator>>(long long& __n)
| ^~~~~~~~
/usr/include/c++/11/istream:195:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: invalid conversion from 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'} to 'long long int' [-fpermissive]
52 | cin >> signal;
| ^~~~~~
| |
| void (* (*)(int, __sighandler_t) noexcept)(int) {aka void (* (*)(int, void (*)(int)) noexcept)(int)}
nautilus.cpp:52:12: error: cannot bind rvalue '(long long int)signal' to 'long long int&'
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
199 | operator>>(unsigned long long& __n)
| ^~~~~~~~
/usr/include/c++/11/istream:199:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: invalid conversion from 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'} to 'long long unsigned int' [-fpermissive]
52 | cin >> signal;
| ^~~~~~
| |
| void (* (*)(int, __sighandler_t) noexcept)(int) {aka void (* (*)(int, void (*)(int)) noexcept)(int)}
nautilus.cpp:52:12: error: cannot bind rvalue '(long long unsigned int)signal' to 'long long unsigned int&'
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:235:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
235 | operator>>(void*& __p)
| ^~~~~~~~
/usr/include/c++/11/istream:235:7: note: conversion of argument 1 would be ill-formed:
nautilus.cpp:52:12: error: invalid conversion from 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'} to 'void*' [-fpermissive]
52 | cin >> signal;
| ^~~~~~
| |
| void (* (*)(int, __sighandler_t) noexcept)(int) {aka void (* (*)(int, void (*)(int)) noexcept)(int)}
nautilus.cpp:52:12: error: cannot bind rvalue '(void*)signal' to 'void*&'
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:214:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
214 | operator>>(float& __f)
| ^~~~~~~~
/usr/include/c++/11/istream:214:25: note: no known conversion for argument 1 from 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'} to 'float&'
214 | operator>>(float& __f)
| ~~~~~~~^~~
/usr/include/c++/11/istream:218:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
218 | operator>>(double& __f)
| ^~~~~~~~
/usr/include/c++/11/istream:218:26: note: no known conversion for argument 1 from 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'} to 'double&'
218 | operator>>(double& __f)
| ~~~~~~~~^~~
/usr/include/c++/11/istream:222:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]'
222 | operator>>(long double& __f)
| ^~~~~~~~
/usr/include/c++/11/istream:222:31: note: no known conversion for argument 1 from 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'} to 'long double&'
222 | operator>>(long double& __f)
| ~~~~~~~~~~~~~^~~
/usr/include/c++/11/istream:259:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]'
259 | operator>>(__streambuf_type* __sb);
| ^~~~~~~~
/usr/include/c++/11/istream:259:36: note: no known conversion for argument 1 from 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'} to 'std::basic_istream<char>::__streambuf_type*' {aka 'std::basic_streambuf<char>*'}
259 | operator>>(__streambuf_type* __sb);
| ~~~~~~~~~~~~~~~~~~^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:45,
from nautilus.cpp:1:
/usr/include/c++/11/cstddef:132:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(std::byte, _IntegerType)'
132 | operator>>(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/11/cstddef:132:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:5: note: cannot convert 'std::cin' (type 'std::istream' {aka 'std::basic_istream<char>'}) to type 'std::byte'
52 | cin >> signal;
| ^~~
In file included from /usr/include/c++/11/string:56,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/bits/basic_string.tcc:1485:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
1485 | operator>>(basic_istream<_CharT, _Traits>& __in,
| ^~~~~~~~
/usr/include/c++/11/bits/basic_string.tcc:1485:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/istream:1016,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/bits/istream.tcc:958:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)'
958 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
| ^~~~~~~~
/usr/include/c++/11/bits/istream.tcc:958:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: deduced conflicting types for parameter '_CharT' ('char' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'})
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:756:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&)'
756 | operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
| ^~~~~~~~
/usr/include/c++/11/istream:756:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: cannot convert 'signal' (type 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}) to type 'unsigned char&'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:761:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&)'
761 | operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
| ^~~~~~~~
/usr/include/c++/11/istream:761:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: cannot convert 'signal' (type 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}) to type 'signed char&'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:859:5: note: candidate: 'template<class _CharT, class _Traits, long unsigned int _Num> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT (&)[_Num])'
859 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT (&__s)[_Num])
| ^~~~~~~~
/usr/include/c++/11/istream:859:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types '_CharT [_Num]' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:868:5: note: candidate: 'template<class _Traits, long unsigned int _Num> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char (&)[_Num])'
868 | operator>>(basic_istream<char, _Traits>& __in, unsigned char (&__s)[_Num])
| ^~~~~~~~
/usr/include/c++/11/istream:868:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'unsigned char [_Num]' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:873:5: note: candidate: 'template<class _Traits, long unsigned int _Num> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char (&)[_Num])'
873 | operator>>(basic_istream<char, _Traits>& __in, signed char (&__s)[_Num])
| ^~~~~~~~
/usr/include/c++/11/istream:873:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'signed char [_Num]' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/istream:1006:5: note: candidate: 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)'
1006 | operator>>(_Istream&& __is, _Tp&& __x)
| ^~~~~~~~
/usr/include/c++/11/istream:1006:5: note: template argument deduction/substitution failed:
/usr/include/c++/11/istream: In substitution of 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_istream<char>&; _Tp = void (* (&)(int, void (*)(int)) noexcept)(int)]':
nautilus.cpp:52:12: required from here
/usr/include/c++/11/istream:1006:5: error: template constraint failure for 'template<class _Is, class _Tp> requires (__derived_from_ios_base<_Is>) && requires(_Is& __is, _Tp&& __t) {__is >> (forward<_Tp>)(__t);} using __rvalue_stream_extraction_t = _Is&&'
/usr/include/c++/11/istream:1006:5: note: constraints not satisfied
In file included from /usr/include/c++/11/istream:39,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/ostream: In substitution of 'template<class _Is, class _Tp> requires (__derived_from_ios_base<_Is>) && requires(_Is& __is, _Tp&& __t) {__is >> (forward<_Tp>)(__t);} using __rvalue_stream_extraction_t = _Is&& [with _Is = std::basic_istream<char>&; _Tp = void (* (&)(int, void (*)(int)) noexcept)(int)]':
/usr/include/c++/11/istream:1006:5: required by substitution of 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_istream<char>&; _Tp = void (* (&)(int, void (*)(int)) noexcept)(int)]'
nautilus.cpp:52:12: required from here
/usr/include/c++/11/ostream:717:13: required for the satisfaction of '__derived_from_ios_base<_Is>' [with _Is = std::basic_istream<char, std::char_traits<char> >&]
/usr/include/c++/11/ostream:717:39: note: the expression 'is_class_v<_Tp> [with _Tp = std::basic_istream<char, std::char_traits<char> >&]' evaluated to 'false'
717 | concept __derived_from_ios_base = is_class_v<_Tp>
| ^~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from nautilus.cpp:1:
/usr/include/c++/11/complex:501:5: note: candidate: 'template<class _Tp, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::complex<_Tp>&)'
501 | operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x)
| ^~~~~~~~
/usr/include/c++/11/complex:501:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'std::complex<_Tp>' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:66,
from nautilus.cpp:1:
/usr/include/c++/11/bitset:1472:5: note: candidate: 'template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bitset<_Nb>&)'
1472 | operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x)
| ^~~~~~~~
/usr/include/c++/11/bitset:1472:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'std::bitset<_Nb>' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
from nautilus.cpp:1:
/usr/include/c++/11/iomanip:71:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Resetiosflags)'
71 | operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f)
| ^~~~~~~~
/usr/include/c++/11/iomanip:71:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: cannot convert 'signal' (type 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}) to type 'std::_Resetiosflags'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
from nautilus.cpp:1:
/usr/include/c++/11/iomanip:101:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setiosflags)'
101 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f)
| ^~~~~~~~
/usr/include/c++/11/iomanip:101:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: cannot convert 'signal' (type 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}) to type 'std::_Setiosflags'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
from nautilus.cpp:1:
/usr/include/c++/11/iomanip:132:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setbase)'
132 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f)
| ^~~~~~~~
/usr/include/c++/11/iomanip:132:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: cannot convert 'signal' (type 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}) to type 'std::_Setbase'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
from nautilus.cpp:1:
/usr/include/c++/11/iomanip:170:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setfill<_CharT>)'
170 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f)
| ^~~~~~~~
/usr/include/c++/11/iomanip:170:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'std::_Setfill<_CharT>' and 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
from nautilus.cpp:1:
/usr/include/c++/11/iomanip:200:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setprecision)'
200 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f)
| ^~~~~~~~
/usr/include/c++/11/iomanip:200:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: cannot convert 'signal' (type 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}) to type 'std::_Setprecision'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
from nautilus.cpp:1:
/usr/include/c++/11/iomanip:230:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setw)'
230 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setw __f)
| ^~~~~~~~
/usr/include/c++/11/iomanip:230:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: cannot convert 'signal' (type 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}) to type 'std::_Setw'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
from nautilus.cpp:1:
/usr/include/c++/11/iomanip:264:5: note: candidate: 'template<class _CharT, class _Traits, class _MoneyT> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_money<_MoneyT>)'
264 | operator>>(basic_istream<_CharT, _Traits>& __is, _Get_money<_MoneyT> __f)
| ^~~~~~~~
/usr/include/c++/11/iomanip:264:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'std::_Get_money<_MoneyT>' and 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72,
from nautilus.cpp:1:
/usr/include/c++/11/iomanip:418:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_time<_CharT>)'
418 | operator>>(basic_istream<_CharT, _Traits>& __is, _Get_time<_CharT> __f)
| ^~~~~~~~
/usr/include/c++/11/iomanip:418:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'std::_Get_time<_CharT>' and 'void (* (*)(int, __sighandler_t) noexcept)(int)' {aka 'void (* (*)(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from nautilus.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)'
414 | _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:414:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from nautilus.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
414 | _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:414:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from nautilus.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
414 | _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:414:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from nautilus.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)'
414 | _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:414:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from nautilus.cpp:1:
/usr/include/c++/11/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
414 | _DEFINE_EXPR_BINARY_OPERATOR(>>, struct std::__shift_right)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:414:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from nautilus.cpp:1:
/usr/include/c++/11/valarray:1195:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__shift_right, _Tp>::result_type> std::operator>>(const std::valarray<_Tp>&, const std::valarray<_Tp>&)'
1195 | _DEFINE_BINARY_OPERATOR(>>, __shift_right)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1195:1: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'const std::valarray<_Tp>'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from nautilus.cpp:1:
/usr/include/c++/11/valarray:1195:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__shift_right, _Tp>::result_type> std::operator>>(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)'
1195 | _DEFINE_BINARY_OPERATOR(>>, __shift_right)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1195:1: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: 'std::istream' {aka 'std::basic_istream<char>'} is not derived from 'const std::valarray<_Tp>'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from nautilus.cpp:1:
/usr/include/c++/11/valarray:1195:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__shift_right, _Tp>::result_type> std::operator>>(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)'
1195 | _DEFINE_BINARY_OPERATOR(>>, __shift_right)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1195:1: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'const std::valarray<_Tp>' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/random:51,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
from nautilus.cpp:1:
/usr/include/c++/11/bits/random.tcc:921:5: note: candidate: 'template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::uniform_int_distribution<_IntType>&)'
921 | operator>>(std::basic_istream<_CharT, _Traits>& __is,
| ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:921:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'std::uniform_int_distribution<_IntType>' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/random:51,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
from nautilus.cpp:1:
/usr/include/c++/11/bits/random.tcc:982:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::uniform_real_distribution<_IntType>&)'
982 | operator>>(std::basic_istream<_CharT, _Traits>& __is,
| ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:982:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'std::uniform_real_distribution<_IntType>' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/random:51,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
from nautilus.cpp:1:
/usr/include/c++/11/bits/random.tcc:2167:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::cauchy_distribution<_RealType>&)'
2167 | operator>>(std::basic_istream<_CharT, _Traits>& __is,
| ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:2167:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'std::cauchy_distribution<_RealType>' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/random:49,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
from nautilus.cpp:1:
/usr/include/c++/11/bits/random.h:3722:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bernoulli_distribution&)'
3722 | operator>>(std::basic_istream<_CharT, _Traits>& __is,
| ^~~~~~~~
/usr/include/c++/11/bits/random.h:3722:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: cannot convert 'signal' (type 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}) to type 'std::bernoulli_distribution&'
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/random:51,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
from nautilus.cpp:1:
/usr/include/c++/11/bits/random.tcc:1124:5: note: candidate: 'template<class _IntType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::geometric_distribution<_IntType>&)'
1124 | operator>>(std::basic_istream<_CharT, _Traits>& __is,
| ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:1124:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'std::geometric_distribution<_IntType>' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/random:51,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
from nautilus.cpp:1:
/usr/include/c++/11/bits/random.tcc:1775:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::exponential_distribution<_RealType>&)'
1775 | operator>>(std::basic_istream<_CharT, _Traits>& __is,
| ^~~~~~~~
/usr/include/c++/11/bits/random.tcc:1775:5: note: template argument deduction/substitution failed:
nautilus.cpp:52:12: note: mismatched types 'std::exponential_distribution<_RealType>' and 'void (*(int, __sighandler_t) noexcept)(int)' {aka 'void (*(int, void (*)(int)) noexcept)(int)'}
52 | cin >> signal;
| ^~~~~~
In file included from /usr/include/c++/11/random:51,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108,
from nautilus.cpp:1:
/usr/include/c++/11/bits/random.tcc:2561:5: note: candi