oj.uz

Submission #290499

# Submission time Handle Problem Language Result Execution time Memory
290499 2020-09-03T22:27:47 Z matheo_apd Chessboard (IZhO18_chessboard) C++14
8 / 100
 8 ms 8448 KB 
#include <bits/stdc++.h>
using namespace std;
#define maxn 1005
int n, k;
int chess[maxn][maxn];
void solve_k0(){
	int minimo = 999999;
	for(int i = 1; i < n; i++){
		if(n % i != 0) continue;
		int test = i*i;
		minimo = min(minimo, ((n*n/test)/2)*test);
	}
	cout << minimo << endl;
}
int main(){
	memset(chess, 0, sizeof chess);
	cin >> n >> k;
	if(k == 0) solve_k0();
	else{
		for(int i = 0; i < k; i++){
			int x, y, l, m;
			cin >> x >> y;
			cin >> l >> m; //8)
			chess[x][y] = 1;
		}
		int cont_errado = 0;
		for(int i = 1; i <= n; i++)
			for(int j = 1; j <= n; j++)
				if((i+j)%2 == chess[i][j]) cont_errado++;
		cout << min(cont_errado, n*n - cont_errado) << endl;
	}
	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4224 KB Output is correct
2 Correct 3 ms 4224 KB Output is correct
3 Correct 2 ms 4224 KB Output is correct
4 Correct 2 ms 4224 KB Output is correct
5 Correct 3 ms 4224 KB Output is correct
6 Correct 3 ms 4224 KB Output is correct
7 Correct 3 ms 4224 KB Output is correct
8 Correct 2 ms 4224 KB Output is correct

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 8 ms 8448 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 4224 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 4224 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 8 ms 8448 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4224 KB Output is correct
2 Correct 3 ms 4224 KB Output is correct
3 Correct 2 ms 4224 KB Output is correct
4 Correct 2 ms 4224 KB Output is correct
5 Correct 3 ms 4224 KB Output is correct
6 Correct 3 ms 4224 KB Output is correct
7 Correct 3 ms 4224 KB Output is correct
8 Correct 2 ms 4224 KB Output is correct
9 Runtime error 8 ms 8448 KB Execution killed with signal 11
10 Halted 0 ms 0 KB -