oj.uz

Submission #317017

# Submission time Handle Problem Language Result Execution time Memory
317017 2020-10-29T01:02:33 Z 8e7 Maxcomp (info1cup18_maxcomp) C++14
15 / 100
 6 ms 384 KB 
#include <iostream>
#include <algorithm>
#include <utility>
#include <vector>
#define ll long long
#define pii pair<int, int>
#define maxn 1005
using namespace std;
int a[maxn][maxn], mi[maxn][maxn], ma[maxn][maxn];
int n, m;
inline int ab(int a) {
	return a > 0 ? a : -a;
}
/*
struct segtree {
	int seg[4 * maxn];
	void init(int cur, int l, int r, bool oper) {
		if (r <= l) return;
		if (r - l == 1) {
			seg[cur] = a[0][l];
			return;
		}
		int mid = (l + r) / 2;
		init(cur * 2, l, mid, oper);
		init(cur * 2 + 1, mid, r, oper);
		if (oper) seg[cur] = max(seg[cur * 2], seg[cur * 2 + 1]);
		else seg[cur] = min(seg[cur * 2], seg[cur * 2 + 1]);
	}
} s1, s2;
*/
int main() {
	ios_base::sync_with_stdio(0);cin.tie(0);
	cin >> n >> m;
	for (int i = 0;i < n;i++) {
		for (int j = 0;j < m;j++) cin >> a[i][j];
	}
	int ans = 0;
	for (int x1 = 0;x1 < n;x1++) {
		for (int x2 = 0;x2 < n;x2++) {
			for (int y1 = 0;y1 < m;y1++) {
				for (int y2 = 0;y2 < m;y2++) {
					int dist = ab(x2 - x1) + ab(y2 - y1) + (x1 == x2 && y1 == y2 ? 0 : 1);
					ans = max(ans, max(a[x1][y1], a[x2][y2]) - min(a[x1][y1], a[x2][y2]) - dist);
				}
			}
		}
	}
	cout << ans << endl;
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Incorrect 0 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Incorrect 0 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Incorrect 0 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -