oj.uz

Submission #467244

# Submission time Handle Problem Language Result Execution time Memory
467244 2021-08-22T09:02:42 Z levsog2004 Chessboard (IZhO18_chessboard) C++14
0 / 100
 76 ms 1240 KB 
#include <iostream>
#include <iomanip>
#include <fstream>
#include <algorithm>
#include <cstring>
#include <string>
#include <vector>
#include <queue>
#include <deque>
#include <stack>
#include <cmath>
#include <list>
#include <set>
#include <map>
using namespace std;
typedef  long long ll;
const ll N = 2000004;
ll n, m, l, k, t, x,ans, y;
pair<ll, ll> a[N];
int check(int n, int m, int x, int y)
{
	x /= m;
	y /= m;
	if (x + y % 2 == 0)
	{
		return 1;
	}
	else
		return 0;

}
int main() 
{
	cin >> n >> m;
	for (int i = 0; i < m; ++i)
	{
		cin >> a[i].first >> a[i].second;
		cin >> x >> x;
	}
	x = 0;
	ans = n * n / 2;
	if(m!=0)
	for (int i = 1; i*i <= n; ++i)
	{
		if (n%i == 0)
		{
			for (int j = 0; j < m; ++j)
			{
				x += check(n, i, a[j].first-1, a[j].second-1);
			}
			ans = min(x, n*n - x);
		}
		x = 0;
	}
	cout << ans << endl;
	return 0;
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 332 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 76 ms 1240 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 76 ms 1240 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 0 ms 332 KB Output isn't correct
3 Halted 0 ms 0 KB -