# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1154634 | i271828 | Aliens (IOI07_aliens) | C++20 | Compilation error | 0 ms | 0 KiB |
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
using namespace std;
ll N=19;
ll x0=6;
ll y0=3;
bool check(ll x,ll y){
if (x<=0||x>N||y<=0||y>N) return false;
cout<<"examine "<<x<<" "<<y<<endl;
string str="false";
cin>>str;
if (str=="true") return true;
else return false;
}
ll sch(ll s,ll e,bool axis,bool dir){
if (dir){
while (s!=e){
int m=(s+e+1)>>1;
bool c;
if (axis==0) c=check(m,y0);
else c=check(x0,m);
if (c) s=m;
else e=m-1;
}
}else{
while (s!=e){
int m=(s+e)>>1;
bool c;
if (axis==0) c=check(m,y0);
else c=check(x0,m);
if (c) e=m;
else s=m+1;
}
}
return s;
}
vector<int> test={5,3};
int main(){
cin>>N>>x0>>y0;
ll r=sch(x0,N,0,1);
ll l=sch(0,x0,0,0);
ll xdif=(r-l+1);
int xa=1;
int M,R;
for (auto v:test){
if (xdif%v!=0) continue;
M=xdif/v;
R=M/2;
if (!check(l+M+R,y0)){
xa=v;
break;
}
}
M=xdif/xa,R=M/2;
int xb=(5-xa)/2;
int xsides=0;
for (int i=-xb;i<=xb;i++){
if (i<0 && check(l+2*i*M, y0)) xsides--;
if (i>0 && check(r+2*i*M, y0)) xsides++;
}
int xmid=((l+r)>>1) + xsides*M;
ll u=sch(y0,N,1,1);
ll d=sch(0,y0,1,0);
ll ydif=(u-d+1);
int ya=1;
for (auto v:test){
if (ydif%v!=0) continue;
M=ydif/v;
R=M/2;
if (!check(x0,d+M+R)){
ya=v;
break;
}
}
M=ydif/ya,R=M/2;
int yb=(5-ya)/2;
int ysides=0;
for (int i=-yb;i<=yb;i++){
if (i<0 && check(x0, d+2*i*M)) ysides--;
if (i>0 && check(x0, u+2*i*M)) ysides++;
}
int ymid=((d+u)>>1) + ysides*M;
cout<<"solution "<<xmid<<" "<<ymid<<endl;
}
Compilation message (stderr)
aliens.cpp:8:4: error: 'long long int y0' redeclared as different kind of entity 8 | ll y0=3; | ^~ In file included from /usr/include/features.h:486, from /usr/include/x86_64-linux-gnu/c++/11/bits/os_defines.h:39, from /usr/include/x86_64-linux-gnu/c++/11/bits/c++config.h:586, from /usr/include/c++/11/cassert:43, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:33, from aliens.cpp:1: /usr/include/x86_64-linux-gnu/bits/mathcalls.h:223:1: note: previous declaration 'double y0(double)' 223 | __MATHCALL (y0,, (_Mdouble_)); | ^~~~~~~~~~ aliens.cpp: In function 'long long int sch(long long int, long long int, bool, bool)': aliens.cpp:25:48: error: invalid conversion from 'double (*)(double) noexcept' to 'long long int' [-fpermissive] 25 | if (axis==0) c=check(m,y0); | ^~ | | | double (*)(double) noexcept aliens.cpp:10:20: note: initializing argument 2 of 'bool check(long long int, long long int)' 10 | bool check(ll x,ll y){ | ^ aliens.cpp:34:48: error: invalid conversion from 'double (*)(double) noexcept' to 'long long int' [-fpermissive] 34 | if (axis==0) c=check(m,y0); | ^~ | | | double (*)(double) noexcept aliens.cpp:10:20: note: initializing argument 2 of 'bool check(long long int, long long int)' 10 | bool check(ll x,ll y){ | ^ aliens.cpp: In function 'int main()': aliens.cpp:45:19: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'double(double) noexcept') 45 | 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++/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 aliens.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: aliens.cpp:45:21: 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] 45 | cin>>N>>x0>>y0; | ^~ | | | double (*)(double) noexcept 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 aliens.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: aliens.cpp:45:21: 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] 45 | cin>>N>>x0>>y0; | ^~ | | | double (*)(double) noexcept 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 aliens.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: aliens.cpp:45:21: error: invalid conversion from 'double (*)(double) noexcept' to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive] 45 | cin>>N>>x0>>y0; | ^~ | | | double (*)(double) noexcept 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 aliens.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: aliens.cpp:45:21: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'double (*)(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ 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 aliens.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: aliens.cpp:45:21: error: invalid conversion from 'double (*)(double) noexcept' to 'short int' [-fpermissive] 45 | cin>>N>>x0>>y0; | ^~ | | | double (*)(double) noexcept aliens.cpp:45:21: error: cannot bind rvalue '(short int)y0' 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 aliens.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: aliens.cpp:45:21: error: invalid conversion from 'double (*)(double) noexcept' to 'short unsigned int' [-fpermissive] 45 | cin>>N>>x0>>y0; | ^~ | | | double (*)(double) noexcept aliens.cpp:45:21: error: cannot bind rvalue '(short unsigned int)y0' 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 aliens.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: aliens.cpp:45:21: error: invalid conversion from 'double (*)(double) noexcept' to 'int' [-fpermissive] 45 | cin>>N>>x0>>y0; | ^~ | | | double (*)(double) noexcept aliens.cpp:45:21: error: cannot bind rvalue '(int)y0' 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 aliens.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: aliens.cpp:45:21: error: invalid conversion from 'double (*)(double) noexcept' to 'unsigned int' [-fpermissive] 45 | cin>>N>>x0>>y0; | ^~ | | | double (*)(double) noexcept aliens.cpp:45:21: error: cannot bind rvalue '(unsigned int)y0' 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 aliens.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: aliens.cpp:45:21: error: invalid conversion from 'double (*)(double) noexcept' to 'long int' [-fpermissive] 45 | cin>>N>>x0>>y0; | ^~ | | | double (*)(double) noexcept aliens.cpp:45:21: error: cannot bind rvalue '(long int)y0' 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 aliens.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: aliens.cpp:45:21: error: invalid conversion from 'double (*)(double) noexcept' to 'long unsigned int' [-fpermissive] 45 | cin>>N>>x0>>y0; | ^~ | | | double (*)(double) noexcept aliens.cpp:45:21: error: cannot bind rvalue '(long unsigned int)y0' 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 aliens.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: aliens.cpp:45:21: error: invalid conversion from 'double (*)(double) noexcept' to 'long long int' [-fpermissive] 45 | cin>>N>>x0>>y0; | ^~ | | | double (*)(double) noexcept aliens.cpp:45:21: error: cannot bind rvalue '(long long int)y0' 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 aliens.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: aliens.cpp:45:21: error: invalid conversion from 'double (*)(double) noexcept' to 'long long unsigned int' [-fpermissive] 45 | cin>>N>>x0>>y0; | ^~ | | | double (*)(double) noexcept aliens.cpp:45:21: error: cannot bind rvalue '(long long unsigned int)y0' 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 aliens.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: aliens.cpp:45:21: error: invalid conversion from 'double (*)(double) noexcept' to 'void*' [-fpermissive] 45 | cin>>N>>x0>>y0; | ^~ | | | double (*)(double) noexcept aliens.cpp:45:21: error: cannot bind rvalue '(void*)y0' 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 aliens.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 'double(double) noexcept' 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 'double(double) noexcept' 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 'double(double) noexcept' 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 '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++/11/bits/stdc++.h:45, from aliens.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: aliens.cpp:45:15: 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' 45 | cin>>N>>x0>>y0; | ~~~~~~^~~~ 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 aliens.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: aliens.cpp:45:21: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ 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 aliens.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: aliens.cpp:45:21: note: deduced conflicting types for parameter '_CharT' ('char' and 'double(double) noexcept') 45 | cin>>N>>x0>>y0; | ^~ 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 aliens.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: aliens.cpp:45:21: note: cannot convert 'y0' (type 'double(double) noexcept') to type 'unsigned char&' 45 | cin>>N>>x0>>y0; | ^~ 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 aliens.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: aliens.cpp:45:21: note: cannot convert 'y0' (type 'double(double) noexcept') to type 'signed char&' 45 | cin>>N>>x0>>y0; | ^~ 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 aliens.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: aliens.cpp:45:21: note: mismatched types '_CharT [_Num]' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ 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 aliens.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: aliens.cpp:45:21: note: mismatched types 'unsigned char [_Num]' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ 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 aliens.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: aliens.cpp:45:21: note: mismatched types 'signed char [_Num]' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ 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 aliens.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 = double (&)(double) noexcept]': aliens.cpp:45:14: 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 aliens.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 = double (&)(double) noexcept]': /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 = double (&)(double) noexcept]' aliens.cpp:45:14: 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 aliens.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: aliens.cpp:45:21: note: mismatched types 'std::complex<_Tp>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:66, from aliens.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: aliens.cpp:45:21: note: mismatched types 'std::bitset<_Nb>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72, from aliens.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: aliens.cpp:45:21: note: cannot convert 'y0' (type 'double(double) noexcept') to type 'std::_Resetiosflags' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72, from aliens.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: aliens.cpp:45:21: note: cannot convert 'y0' (type 'double(double) noexcept') to type 'std::_Setiosflags' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72, from aliens.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: aliens.cpp:45:21: note: cannot convert 'y0' (type 'double(double) noexcept') to type 'std::_Setbase' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72, from aliens.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: aliens.cpp:45:21: note: mismatched types 'std::_Setfill<_CharT>' and 'double (*)(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72, from aliens.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: aliens.cpp:45:21: note: cannot convert 'y0' (type 'double(double) noexcept') to type 'std::_Setprecision' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72, from aliens.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: aliens.cpp:45:21: note: cannot convert 'y0' (type 'double(double) noexcept') to type 'std::_Setw' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72, from aliens.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: aliens.cpp:45:21: note: mismatched types 'std::_Get_money<_MoneyT>' and 'double (*)(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:72, from aliens.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: aliens.cpp:45:21: note: mismatched types 'std::_Get_time<_CharT>' and 'double (*)(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/valarray:603, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95, from aliens.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: aliens.cpp:45:21: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/valarray:603, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95, from aliens.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: aliens.cpp:45:21: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/valarray:603, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95, from aliens.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: aliens.cpp:45:21: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/valarray:603, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95, from aliens.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: aliens.cpp:45:21: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/valarray:603, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95, from aliens.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: aliens.cpp:45:21: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95, from aliens.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: aliens.cpp:45:21: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::valarray<_Tp>' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95, from aliens.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: aliens.cpp:45:21: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::valarray<_Tp>' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95, from aliens.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: aliens.cpp:45:21: note: mismatched types 'const std::valarray<_Tp>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/random:51, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108, from aliens.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: aliens.cpp:45:21: note: mismatched types 'std::uniform_int_distribution<_IntType>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/random:51, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108, from aliens.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: aliens.cpp:45:21: note: mismatched types 'std::uniform_real_distribution<_IntType>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/random:51, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108, from aliens.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: aliens.cpp:45:21: note: mismatched types 'std::cauchy_distribution<_RealType>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/random:49, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108, from aliens.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: aliens.cpp:45:21: note: cannot convert 'y0' (type 'double(double) noexcept') to type 'std::bernoulli_distribution&' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/random:51, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108, from aliens.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: aliens.cpp:45:21: note: mismatched types 'std::geometric_distribution<_IntType>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/random:51, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108, from aliens.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: aliens.cpp:45:21: note: mismatched types 'std::exponential_distribution<_RealType>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/random:51, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108, from aliens.cpp:1: /usr/include/c++/11/bits/random.tcc:2561:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::weibull_distribution<_RealType>&)' 2561 | operator>>(std::basic_istream<_CharT, _Traits>& __is, | ^~~~~~~~ /usr/include/c++/11/bits/random.tcc:2561:5: note: template argument deduction/substitution failed: aliens.cpp:45:21: note: mismatched types 'std::weibull_distribution<_RealType>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/random:51, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108, from aliens.cpp:1: /usr/include/c++/11/bits/random.tcc:2635:5: note: candidate: 'template<class _RealType, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::extreme_value_distribution<_RealType>&)' 2635 | operator>>(std::basic_istream<_CharT, _Traits>& __is, | ^~~~~~~~ /usr/include/c++/11/bits/random.tcc:2635:5: note: template argument deduction/substitution failed: aliens.cpp:45:21: note: mismatched types 'std::extreme_value_distribution<_RealType>' and 'double(double) noexcept' 45 | cin>>N>>x0>>y0; | ^~ In file included from /usr/include/c++/11/random:51, from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:108, from aliens.cpp:1: /usr/include/c++/11/bits/random.tcc:175:5: note: candidate: 'template<class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::linear_congruential_engine<_UIntType, __a, __c, __m>&)' 175 | operator>>(std::basic_istream<_CharT, _Traits>& __is, | ^~~~~~~~ /usr/include/c++/11/bits/random.tcc:175:5: note: template argument deduction/substitution failed: aliens.cpp:45:21: note: mismatched types 'std::linear_congruential_engine<_UIntType, __a, __c, __m>' and 'double(double) noexcept' 45 | cin>>N>