#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;
if (a > b) swap(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;
for (int i = 1; i <= m; i++) {
while (arr[i] - arr[ptr] >= a && ptr < i) ptr++;
mn = min(mn, dist(arr[i] - arr[ptr]));
if (ptr) mn = min(mn, dist(arr[i] - arr[ptr - 1]));
}
}
}
cout << mn << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
604 KB |
Output is correct |
11 |
Correct |
4 ms |
860 KB |
Output is correct |
12 |
Correct |
4 ms |
604 KB |
Output is correct |
13 |
Correct |
5 ms |
856 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
5 ms |
856 KB |
Output is correct |
16 |
Correct |
4 ms |
604 KB |
Output is correct |
17 |
Correct |
4 ms |
604 KB |
Output is correct |
18 |
Correct |
5 ms |
604 KB |
Output is correct |
19 |
Correct |
4 ms |
604 KB |
Output is correct |
20 |
Correct |
5 ms |
856 KB |
Output is correct |
21 |
Correct |
4 ms |
604 KB |
Output is correct |
22 |
Correct |
4 ms |
860 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
604 KB |
Output is correct |
11 |
Correct |
4 ms |
860 KB |
Output is correct |
12 |
Correct |
4 ms |
604 KB |
Output is correct |
13 |
Correct |
5 ms |
856 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
5 ms |
856 KB |
Output is correct |
16 |
Correct |
4 ms |
604 KB |
Output is correct |
17 |
Correct |
4 ms |
604 KB |
Output is correct |
18 |
Correct |
5 ms |
604 KB |
Output is correct |
19 |
Correct |
4 ms |
604 KB |
Output is correct |
20 |
Correct |
5 ms |
856 KB |
Output is correct |
21 |
Correct |
4 ms |
604 KB |
Output is correct |
22 |
Correct |
4 ms |
860 KB |
Output is correct |
23 |
Correct |
413 ms |
2392 KB |
Output is correct |
24 |
Correct |
405 ms |
2396 KB |
Output is correct |
25 |
Correct |
400 ms |
2396 KB |
Output is correct |
26 |
Correct |
411 ms |
2660 KB |
Output is correct |
27 |
Correct |
269 ms |
2308 KB |
Output is correct |
28 |
Correct |
437 ms |
2656 KB |
Output is correct |
29 |
Correct |
399 ms |
2392 KB |
Output is correct |
30 |
Correct |
400 ms |
2396 KB |
Output is correct |
31 |
Correct |
65 ms |
2136 KB |
Output is correct |
32 |
Correct |
441 ms |
2408 KB |
Output is correct |
33 |
Correct |
402 ms |
2384 KB |
Output is correct |
34 |
Correct |
404 ms |
2396 KB |
Output is correct |
35 |
Correct |
407 ms |
2640 KB |
Output is correct |
36 |
Correct |
420 ms |
2396 KB |
Output is correct |
37 |
Correct |
401 ms |
2392 KB |
Output is correct |
38 |
Correct |
401 ms |
2396 KB |
Output is correct |
39 |
Correct |
405 ms |
2400 KB |
Output is correct |
40 |
Correct |
401 ms |
2396 KB |
Output is correct |
41 |
Correct |
383 ms |
2392 KB |
Output is correct |
42 |
Correct |
374 ms |
2396 KB |
Output is correct |
43 |
Correct |
377 ms |
2448 KB |
Output is correct |
44 |
Correct |
391 ms |
2396 KB |
Output is correct |