제출 #872959

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
872959		TAhmed33	Zemljište (COCI22_zemljiste)	C++98	0 / 70	1 ms	348 KiB

Main

#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[ptr] < 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
• Subtask 2: 0 / 20
• Subtask 3: 0 / 40