| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1124142 | boris_7 | Chessboard (IZhO18_chessboard) | C++20 | Compilation error | 0 ms | 0 KiB |
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
void solve() {
ll n,k;
cin>>n>>k;
vector<map<int,int>>v(n);
for(int i = 0;i<k;i++){
int x1,y1,x2,y2;
cin>>x1>>y1>>x2>>y2;
--x1;
--y1;
--x2;
--y2;
v[x1][y1]=1-v[x1][y1];
}
vector<int>div;
for(int i = 1;i*i<=n;i++){
if(n%i==0){
div.push_back(i);
if(i==1) continue;
div.push_back(n/i);
}
}
int ans = 1e6;
for(int &d:div){
ll cnt = n*n/2+(n%2),cnt1=n*n/2;
for(int i = 0;i<n;i++){
for(auto j:v[i]){
int x = ((i/d)%2)^((j.first/d)%2);
if(j.second==x) cnt++;
else cnt1++;
}
}
ans = min(ans,cnt);
ans = min(ans,cnt1);
}
cout<<ans<<endl;
}
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(nullptr);
// ll t;cin>>t;while(t--)
solve();
}Compilation message (stderr)
chessboard.cpp: In function 'void solve()':
chessboard.cpp:37:18: error: no matching function for call to 'min(int&, ll&)'
37 | ans = min(ans,cnt);
| ~~~^~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from chessboard.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:230:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
230 | min(const _Tp& __a, const _Tp& __b)
| ^~~
/usr/include/c++/11/bits/stl_algobase.h:230:5: note: template argument deduction/substitution failed:
chessboard.cpp:37:18: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
37 | ans = min(ans,cnt);
| ~~~^~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from chessboard.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:278:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
278 | min(const _Tp& __a, const _Tp& __b, _Compare __comp)
| ^~~
/usr/include/c++/11/bits/stl_algobase.h:278:5: note: template argument deduction/substitution failed:
chessboard.cpp:37:18: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
37 | ans = min(ans,cnt);
| ~~~^~~~~~~~~
In file included from /usr/include/c++/11/string:52,
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 chessboard.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3449:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
3449 | min(initializer_list<_Tp> __l)
| ^~~
/usr/include/c++/11/bits/stl_algo.h:3449:5: note: template argument deduction/substitution failed:
chessboard.cpp:37:18: note: mismatched types 'std::initializer_list<_Tp>' and 'int'
37 | ans = min(ans,cnt);
| ~~~^~~~~~~~~
In file included from /usr/include/c++/11/string:52,
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 chessboard.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3455:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
3455 | min(initializer_list<_Tp> __l, _Compare __comp)
| ^~~
/usr/include/c++/11/bits/stl_algo.h:3455:5: note: template argument deduction/substitution failed:
chessboard.cpp:37:18: note: mismatched types 'std::initializer_list<_Tp>' and 'int'
37 | ans = min(ans,cnt);
| ~~~^~~~~~~~~
chessboard.cpp:38:18: error: no matching function for call to 'min(int&, ll&)'
38 | ans = min(ans,cnt1);
| ~~~^~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from chessboard.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:230:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
230 | min(const _Tp& __a, const _Tp& __b)
| ^~~
/usr/include/c++/11/bits/stl_algobase.h:230:5: note: template argument deduction/substitution failed:
chessboard.cpp:38:18: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
38 | ans = min(ans,cnt1);
| ~~~^~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from chessboard.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:278:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
278 | min(const _Tp& __a, const _Tp& __b, _Compare __comp)
| ^~~
/usr/include/c++/11/bits/stl_algobase.h:278:5: note: template argument deduction/substitution failed:
chessboard.cpp:38:18: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
38 | ans = min(ans,cnt1);
| ~~~^~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
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 chessboard.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3449:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)'
3449 | min(initializer_list<_Tp> __l)
| ^~~
/usr/include/c++/11/bits/stl_algo.h:3449:5: note: template argument deduction/substitution failed:
chessboard.cpp:38:18: note: mismatched types 'std::initializer_list<_Tp>' and 'int'
38 | ans = min(ans,cnt1);
| ~~~^~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
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 chessboard.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3455:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)'
3455 | min(initializer_list<_Tp> __l, _Compare __comp)
| ^~~
/usr/include/c++/11/bits/stl_algo.h:3455:5: note: template argument deduction/substitution failed:
chessboard.cpp:38:18: note: mismatched types 'std::initializer_list<_Tp>' and 'int'
38 | ans = min(ans,cnt1);
| ~~~^~~~~~~~~~