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Submission #855846

# Submission time Handle Problem Language Result Execution time Memory
855846 2023-10-02T03:13:37 Z Trisanu_Das Chessboard (IZhO18_chessboard) C++17
0 / 100
 48 ms 4440 KB 
#include <iostream>
#include <algorithm>
#include <climits>
#define int long long
using namespace std;
 
int f(int s, int a) {
	a %= s * 2;
	return min(a, s * 2 - a);
}
 
signed main() {
	int n, k, temp, ans;
	cin >> n >> k;
    int x1[n], y1[n], x2[n], y2[n];
	for (int i = 0; i < k; i++){
      cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
      --x1[i]; --y1[i];
    }
	ans = LLONG_MAX;
	for (int i = 1; i < n; i++)
		if (n % i == 0) {
			k = (n / i) * (n / i) / 2 * i * i;
			for (int j = 0; j < k; j++) temp += (f(i, x2[j]) - f(i, x1[j])) * (f(i, y2[j]) - f(i, y1[j]));
			ans = min(ans, min(temp, n * n - temp));
		}
	cout << ans << '\n';
}

Compilation message

chessboard.cpp: In function 'int main()':
chessboard.cpp:24:37: warning: 'temp' may be used uninitialized in this function [-Wmaybe-uninitialized]
   24 |    for (int j = 0; j < k; j++) temp += (f(i, x2[j]) - f(i, x1[j])) * (f(i, y2[j]) - f(i, y1[j]));
      |                                ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 48 ms 4440 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 344 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 344 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Runtime error 48 ms 4440 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -