| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 897819 | 2024-01-03T18:12:53 Z | DAleksa | Chessboard (IZhO18_chessboard) | C++17 | Compilation error |
0 ms | 0 KB |
#include <bits/stdc++.h>
using namespace std;
const int K = 1e5 + 10, SQ = 700;
int n, k;
int x1[K], y1[K], x2[K], y2[K];
vector<int> divs;
long long sum[SQ], P;
long long get(int x, int y, int k) {
if(x == 0 || y == 0) {
return 0;
}
int X = (x / k) * k, Y = (y / k) * k;
long long ans = ((X / k) * 1LL * (Y / k) + 1) / 2 * k * k;
// cout << k << "\n";
// cout << x << " " << y << "\n";
// cout << X << " " << Y << "\n";
// cout << ans << "\n";
ans += (x - X) * 1LL * k * (((Y / k) + ((X / k) % 2 == 0)) / 2);
// cout << ans << "\n";
ans += (y - Y) * 1LL * k * (((X / k) + ((Y / k) % 2 == 0)) / 2);
// cout << ans << "\n";
if((X / k + Y / k) % 2 == 0) {
ans += (x - X) * 1LL * (y - Y);
}
return ans;
}
long long get(int x1, int y1, int x2, int y2, int k) {
return get(x2, y2, k) - get(x2, y1 - 1, k) - get(x1 - 1, y2, k) + get(x1 - 1, y1 - 1, k);
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> n >> k;
for(int i = 0; i < k; i++) {
cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
P += (x2[i] - x1[i] + 1) * 1LL * (y2[i] - y1[i] + 1);
}
divs.push_back(1);
for(int i = 2; i * i < n; i++) {
if(n % i == 0) {
divs.push_back(i);
divs.push_back(n / i);
}
}
if(n % (int)sqrt(n) == 0) {
divs.push_back(sqrt(n));
}
sort(divs.begin(), divs.end());
for(int i = 0; i < k; i++) {
for(int d = 0; d < divs.size(); d++) {
sum[d] += get(x1[i], y1[i], x2[i], y2[i], divs[d]);
// cout << x1[i] << " " << y1[i] << " " << x2[i] << " " << y2[i] << " " << divs[d] << " " << get(x1[i], y1[i], x2[i], y2[i], divs[d]) << "\n";
}
}
long long ans = 1e18;
// cout << P << "\n\n";
for(int i = 0; i < divs.size(); i++) {
long long all = (((n / divs[i]) * 1LL * (n / divs[i]) + 1) / 2) * divs[i] * divs[i];
ans = min(ans, all + P - 2 * sum[i]);
// cout << i << ": " << ans << "\n";
all = ((n / divs[i]) * 1LL * (n / divs[i]) / 2) * divs[i] * divs[i];
ans = min(ans, all - P + 2 * sum[i]);
// cout << i << ": " << ans << "\n";
}
cout << ans;
return 0;
}
/*
6 8
3 3 3 3
1 2 1 2
3 4 3 4
5 5 5 5
4 3 4 3
4 4 4 4
2 1 2 1
3 6 3 6
4 1
4 1 4 4
*/
Compilation message
chessboard.cpp:7:16: error: 'int y1 [100010]' redeclared as different kind of entity
7 | int x1[K], y1[K], x2[K], y2[K];
| ^
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 chessboard.cpp:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:221:1: note: previous declaration 'double y1(double)'
221 | __MATHCALL (y1,, (_Mdouble_));
| ^~~~~~~~~~
chessboard.cpp: In function 'int main()':
chessboard.cpp:40:29: warning: pointer to a function used in arithmetic [-Wpointer-arith]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ^
chessboard.cpp:40:22: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'double(double) noexcept')
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~~~~~~~~~ ^~ ~~~~~
| | |
| | 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 chessboard.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:
chessboard.cpp:40:29: 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]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
| |
| 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 chessboard.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:
chessboard.cpp:40:29: 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]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
| |
| 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 chessboard.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:
chessboard.cpp:40:29: error: invalid conversion from 'double (*)(double) noexcept' to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
| |
| 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 chessboard.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:
chessboard.cpp:40:29: error: cannot bind non-const lvalue reference of type 'bool&' to an rvalue of type 'bool'
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
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 chessboard.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:
chessboard.cpp:40:29: error: invalid conversion from 'double (*)(double) noexcept' to 'short int' [-fpermissive]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
| |
| double (*)(double) noexcept
chessboard.cpp:40:29: error: cannot bind rvalue '(short int)(y1 + ((sizetype)i))' 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 chessboard.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:
chessboard.cpp:40:29: error: invalid conversion from 'double (*)(double) noexcept' to 'short unsigned int' [-fpermissive]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
| |
| double (*)(double) noexcept
chessboard.cpp:40:29: error: cannot bind rvalue '(short unsigned int)(y1 + ((sizetype)i))' 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 chessboard.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:
chessboard.cpp:40:29: error: invalid conversion from 'double (*)(double) noexcept' to 'int' [-fpermissive]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
| |
| double (*)(double) noexcept
chessboard.cpp:40:29: error: cannot bind rvalue '(int)(y1 + ((sizetype)i))' 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 chessboard.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:
chessboard.cpp:40:29: error: invalid conversion from 'double (*)(double) noexcept' to 'unsigned int' [-fpermissive]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
| |
| double (*)(double) noexcept
chessboard.cpp:40:29: error: cannot bind rvalue '(unsigned int)(y1 + ((sizetype)i))' 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 chessboard.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:
chessboard.cpp:40:29: error: invalid conversion from 'double (*)(double) noexcept' to 'long int' [-fpermissive]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
| |
| double (*)(double) noexcept
chessboard.cpp:40:29: error: cannot bind rvalue '(long int)(y1 + ((sizetype)i))' 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 chessboard.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:
chessboard.cpp:40:29: error: invalid conversion from 'double (*)(double) noexcept' to 'long unsigned int' [-fpermissive]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
| |
| double (*)(double) noexcept
chessboard.cpp:40:29: error: cannot bind rvalue '(long unsigned int)(y1 + ((sizetype)i))' 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 chessboard.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:
chessboard.cpp:40:29: error: invalid conversion from 'double (*)(double) noexcept' to 'long long int' [-fpermissive]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
| |
| double (*)(double) noexcept
chessboard.cpp:40:29: error: cannot bind rvalue '(long long int)(y1 + ((sizetype)i))' 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 chessboard.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:
chessboard.cpp:40:29: error: invalid conversion from 'double (*)(double) noexcept' to 'long long unsigned int' [-fpermissive]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
| |
| double (*)(double) noexcept
chessboard.cpp:40:29: error: cannot bind rvalue '(long long unsigned int)(y1 + ((sizetype)i))' 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 chessboard.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:
chessboard.cpp:40:29: error: invalid conversion from 'double (*)(double) noexcept' to 'void*' [-fpermissive]
40 | cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
| ~~~~^
| |
| double (*)(double) noexcept
chessboard.cpp:40:29: error: cannot bind rvalue '(void*)(y1 + ((sizetype)i))' 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 chessboard.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_i