oj.uz

Submission #872960

# Submission time Handle Problem Language Result Execution time Memory
872960 2023-11-14T07:42:24 Z TAhmed33 Zemljište (COCI22_zemljiste) C++
0 / 70
 0 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll pref[501][501], n, m, a, b;
ll dist (ll x) {
	return abs(x - a) + abs(x - b);
}
int main () {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> m >> a >> b;
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= m; j++) {
			cin >> pref[i][j]; pref[i][j] += pref[i - 1][j];
		}
	}
	ll mn = 1e18;
	for (int l = 1; l <= n; l++) {
		for (int r = l; r <= n; r++) {
			ll arr[m + 1] = {};
			for (int j = 1; j <= m; j++) {
				arr[j] = pref[r][j] - pref[l - 1][j];
				arr[j] += arr[j - 1];
			}
			int ptr = 1, ptr2 = 1;
			for (int i = 1; i <= m; i++) {
				while (ptr && arr[i] - arr[ptr] < a) ptr--;
				ptr++;
				while (ptr2 && arr[i] - arr[ptr2] < b) ptr2--;
				ptr2++;
				mn = min({mn, dist(arr[i] - arr[ptr]), dist(arr[i] - arr[ptr2]), dist(arr[i] - arr[ptr - 1])});
			}
		}
	}
	cout << mn << '\n';
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Incorrect 0 ms 348 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Incorrect 0 ms 348 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Incorrect 0 ms 348 KB Output isn't correct
6 Halted 0 ms 0 KB -