#include <bits/stdc++.h>
#define For(i, a, b) for(int i = a; i <= b; i++)
#define Forr(i, a, b) for(int i = a; i >= b; i--)
#define F first
#define S second
#define sz(x) ((int)x.size())
#define all(x) x.begin(), x.end()
#define eb emplace_back
#define int LL
using namespace std;
using LL = long long;
using pii = pair<int, int>;
const int MAXN = 510;
int s[MAXN][MAXN];
int32_t main() {
ios::sync_with_stdio(false);
cin.tie(0);
// nya ><
int n, m, a, b; cin >> n >> m >> a >> b;
For(i, 1, n) For(j, 1, m) {
cin >> s[i][j];
s[i][j] += s[i - 1][j];
}
auto cost = [&](int k) {
return abs(k - a) + abs(k - b);
};
int mn = cost(s[1][1]);
For(u, 1, n) For(d, u, n) {
int r = 0;
int now = 0;
For(l, 1, m) {
if(r < l) {
r++; now += s[d][r] - s[u - 1][r];
}
while(cost(now) > cost(now + s[d][r + 1] - s[u - 1][r + 1])) {
r++; now += s[d][r] - s[u - 1][r];
}
mn = min(mn, cost(now));
now -= s[d][l] - s[u - 1][l];
}
}
cout << mn << "\n";
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
340 KB |
Output is correct |
| 10 |
Correct |
3 ms |
596 KB |
Output is correct |
| 11 |
Correct |
4 ms |
724 KB |
Output is correct |
| 12 |
Correct |
4 ms |
728 KB |
Output is correct |
| 13 |
Correct |
4 ms |
724 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
5 ms |
724 KB |
Output is correct |
| 16 |
Correct |
4 ms |
724 KB |
Output is correct |
| 17 |
Correct |
4 ms |
724 KB |
Output is correct |
| 18 |
Correct |
5 ms |
724 KB |
Output is correct |
| 19 |
Correct |
7 ms |
728 KB |
Output is correct |
| 20 |
Correct |
5 ms |
724 KB |
Output is correct |
| 21 |
Correct |
5 ms |
724 KB |
Output is correct |
| 22 |
Correct |
5 ms |
724 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
340 KB |
Output is correct |
| 10 |
Correct |
3 ms |
596 KB |
Output is correct |
| 11 |
Correct |
4 ms |
724 KB |
Output is correct |
| 12 |
Correct |
4 ms |
728 KB |
Output is correct |
| 13 |
Correct |
4 ms |
724 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
5 ms |
724 KB |
Output is correct |
| 16 |
Correct |
4 ms |
724 KB |
Output is correct |
| 17 |
Correct |
4 ms |
724 KB |
Output is correct |
| 18 |
Correct |
5 ms |
724 KB |
Output is correct |
| 19 |
Correct |
7 ms |
728 KB |
Output is correct |
| 20 |
Correct |
5 ms |
724 KB |
Output is correct |
| 21 |
Correct |
5 ms |
724 KB |
Output is correct |
| 22 |
Correct |
5 ms |
724 KB |
Output is correct |
| 23 |
Correct |
319 ms |
2304 KB |
Output is correct |
| 24 |
Correct |
317 ms |
2304 KB |
Output is correct |
| 25 |
Correct |
312 ms |
2252 KB |
Output is correct |
| 26 |
Correct |
323 ms |
2304 KB |
Output is correct |
| 27 |
Correct |
219 ms |
2288 KB |
Output is correct |
| 28 |
Correct |
335 ms |
2304 KB |
Output is correct |
| 29 |
Correct |
309 ms |
2236 KB |
Output is correct |
| 30 |
Correct |
374 ms |
2304 KB |
Output is correct |
| 31 |
Correct |
57 ms |
2004 KB |
Output is correct |
| 32 |
Correct |
307 ms |
2388 KB |
Output is correct |
| 33 |
Correct |
352 ms |
2304 KB |
Output is correct |
| 34 |
Correct |
309 ms |
2308 KB |
Output is correct |
| 35 |
Correct |
327 ms |
2300 KB |
Output is correct |
| 36 |
Correct |
322 ms |
2304 KB |
Output is correct |
| 37 |
Correct |
310 ms |
2304 KB |
Output is correct |
| 38 |
Correct |
335 ms |
2304 KB |
Output is correct |
| 39 |
Correct |
306 ms |
2308 KB |
Output is correct |
| 40 |
Correct |
352 ms |
2300 KB |
Output is correct |
| 41 |
Correct |
407 ms |
2304 KB |
Output is correct |
| 42 |
Correct |
426 ms |
2316 KB |
Output is correct |
| 43 |
Correct |
409 ms |
2304 KB |
Output is correct |
| 44 |
Correct |
453 ms |
2304 KB |
Output is correct |
