| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 595706 | angelo_torres | Aliens (IOI07_aliens) | C++17 | 컴파일 에러 | 0 ms | 0 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
using namespace std;
int n,x0,y0;
int xr,xl,yr,yl;
int main(){
cin >> n >> x0 >> y0;
int l,r;
l = x0, r = n+1;
for(int i = 0; x0 + (1<<i) <= n; ++i){
cout << "examine " << x0 + (1<<i) << " " << y0 << endl;
string ans; cin >> ans;
if(ans == "false"){
r = x0 + (1<<i);
break;
}
}
while(r-l > 1){
int md = (l+r)>>1;
cout << "examine " << md << " " << y0 << endl;
string ans; cin >> ans;
if(ans == "false")
r = md;
else
l = md;
}
xr = l;
l = x0, r = 0;
for(int i = 0; x0 - (1<<i) >= 1; ++i){
cout << "examine " << x0 - (1<<i) << " " << y0 << endl;
string ans; cin >> ans;
if(ans == "false"){
r = x0 - (1<<i);
break;
}
}
while(l-r > 2){
int md = (l+r)>>1;
cout << "examine " << md << " " << y0 << endl;
string ans; cin >> ans;
if(ans == "false")
r = md;
else
l = md;
}
xl = l;
l = y0, r = n+1;
for(int i = 0; y0 + (1<<i) <= n; ++i){
cout << "examine " << x0 << " " << y0 + (1<<i) << endl;
string ans; cin >> ans;
if(ans == "false"){
r = y0 + (1<<i);
break;
}
}
while(r-l > 1){
int md = (l+r)>>1;
cout << "examine " << x0 << " " << md << endl;
string ans; cin >> ans;
if(ans == "false")
r = md;
else
l = md;
}
yr = l;
// yr-yl = xr-xl
yl = xl-xr+yr;
int xc = (xl+xr)>>1, yc = (yl+yr)>>1, m = (xr-xl+1)<<1;
bool le = 0,ri = 0;
if(xc-m >= 1){
cout << "examine " << xc-m << " " << yc << endl;
string ans; cin >> ans;
if(ans == "true")
le = 1;
}
if(xc+m <= n){
cout << "examine " << xc+m << " " << yc << endl;
string ans; cin >> ans;
if(ans == "true")
ri = 1;
}
if(!le and ri)
xc += m;
if(le and !ri)
xc -= m;
bool up = 0,dw = 0;
if(yc-m >= 1){
cout << "examine " << xc << " " << yc-m << endl;
string ans; cin >> ans;
if(ans == "true")
dw = 1;
}
if(yc+m <= n){
cout << "examine " << xc << " " << yc+m << endl;
string ans; cin >> ans;
if(ans == "true")
up = 1;
}
if(dw and !up)
yc -= m;
if(!dw and up)
yc += m;
cout << "solution " << xc << " " << yc << endl;
return 0;
}
컴파일 시 표준 에러 (stderr) 메시지
aliens.cpp:5:10: error: 'int y0' redeclared as different kind of entity
5 | int n,x0,y0;
| ^~
In file included from /usr/include/features.h:461,
from /usr/include/x86_64-linux-gnu/c++/10/bits/os_defines.h:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/c++config.h:518,
from /usr/include/c++/10/cassert:43,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
from aliens.cpp:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:220:1: note: previous declaration 'double y0(double)'
220 | __MATHCALL (y0,, (_Mdouble_));
| ^~~~~~~~~~
aliens.cpp: In function 'int main()':
aliens.cpp:9:17: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'double(double) noexcept')
9 | cin >> n >> x0 >> y0;
| ~~~~~~~~~~~~~~ ^~ ~~
| | |
| | double(double) noexcept
| std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:120:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: error: invalid conversion from 'double (*)(double) noexcept' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive]
9 | cin >> n >> x0 >> y0;
| ^~
| |
| double (*)(double) noexcept
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:124:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: error: invalid conversion from 'double (*)(double) noexcept' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive]
9 | cin >> n >> x0 >> y0;
| ^~
| |
| double (*)(double) noexcept
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:131:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: error: invalid conversion from 'double (*)(double) noexcept' to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive]
9 | cin >> n >> x0 >> y0;
| ^~
| |
| double (*)(double) noexcept
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:168:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: warning: the address of 'double y0(double)' will never be NULL [-Waddress]
9 | cin >> n >> x0 >> y0;
| ^~
aliens.cpp:9:20: error: cannot bind non-const lvalue reference of type 'bool&' to an rvalue of type 'bool'
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:172:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: error: invalid conversion from 'double (*)(double) noexcept' to 'short int' [-fpermissive]
9 | cin >> n >> x0 >> y0;
| ^~
| |
| double (*)(double) noexcept
aliens.cpp:9:20: error: cannot bind rvalue '(short int)y0' to 'short int&'
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:175:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: error: invalid conversion from 'double (*)(double) noexcept' to 'short unsigned int' [-fpermissive]
9 | cin >> n >> x0 >> y0;
| ^~
| |
| double (*)(double) noexcept
aliens.cpp:9:20: error: cannot bind rvalue '(short unsigned int)y0' to 'short unsigned int&'
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:179:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: error: invalid conversion from 'double (*)(double) noexcept' to 'int' [-fpermissive]
9 | cin >> n >> x0 >> y0;
| ^~
| |
| double (*)(double) noexcept
aliens.cpp:9:20: error: cannot bind rvalue '(int)y0' to 'int&'
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:182:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: error: invalid conversion from 'double (*)(double) noexcept' to 'unsigned int' [-fpermissive]
9 | cin >> n >> x0 >> y0;
| ^~
| |
| double (*)(double) noexcept
aliens.cpp:9:20: error: cannot bind rvalue '(unsigned int)y0' to 'unsigned int&'
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:186:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: error: invalid conversion from 'double (*)(double) noexcept' to 'long int' [-fpermissive]
9 | cin >> n >> x0 >> y0;
| ^~
| |
| double (*)(double) noexcept
aliens.cpp:9:20: error: cannot bind rvalue '(long int)y0' to 'long int&'
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:190:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: error: invalid conversion from 'double (*)(double) noexcept' to 'long unsigned int' [-fpermissive]
9 | cin >> n >> x0 >> y0;
| ^~
| |
| double (*)(double) noexcept
aliens.cpp:9:20: error: cannot bind rvalue '(long unsigned int)y0' to 'long unsigned int&'
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:195:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: error: invalid conversion from 'double (*)(double) noexcept' to 'long long int' [-fpermissive]
9 | cin >> n >> x0 >> y0;
| ^~
| |
| double (*)(double) noexcept
aliens.cpp:9:20: error: cannot bind rvalue '(long long int)y0' to 'long long int&'
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:199:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: error: invalid conversion from 'double (*)(double) noexcept' to 'long long unsigned int' [-fpermissive]
9 | cin >> n >> x0 >> y0;
| ^~
| |
| double (*)(double) noexcept
aliens.cpp:9:20: error: cannot bind rvalue '(long long unsigned int)y0' to 'long long unsigned int&'
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:235:7: note: conversion of argument 1 would be ill-formed:
aliens.cpp:9:20: error: invalid conversion from 'double (*)(double) noexcept' to 'void*' [-fpermissive]
9 | cin >> n >> x0 >> y0;
| ^~
| |
| double (*)(double) noexcept
aliens.cpp:9:20: error: cannot bind rvalue '(void*)y0' to 'void*&'
In file included from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from aliens.cpp:1:
/usr/include/c++/10/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++/10/istream:214:25: note: no known conversion for argument 1 from 'double(double) noexcept' to 'float&'
214 | operator>>(float& __f)
| ~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:218:26: note: no known conversion for argument 1 from 'double(double) noexcept' to 'double&'
218 | operator>>(double& __f)
| ~~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:222:31: note: no known conversion for argument 1 from 'double(double) noexcept' to 'long double&'
222 | operator>>(long double& __f)
| ~~~~~~~~~~~~~^~~
/usr/include/c++/10/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++/10/istream:259:36: note: no known conversion for argument 1 from 'double(double) noexcept' 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++/10/bits/stdc++.h:45,
from aliens.cpp:1:
/usr/include/c++/10/cstddef:130:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(std::byte, _IntegerType)'
130 | operator>>(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/10/cstddef:130:5: note: template argument deduction/substitution failed:
aliens.cpp:9:11: note: cannot convert '(& std::cin.std::basic_istream<char>::operator>>(n))->std::basic_istream<char>::operator>>(x0)' (type 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'}) to type 'std::byte'
9 | cin >> n >> x0 >> y0;
| ~~~~~~~~~^~~~~
I