| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 524025 |
2022-02-08T14:32:18 Z |
boykut |
Bomb (IZhO17_bomb) |
C++14 |
|
1000 ms |
55044 KB |
#include <bits/stdc++.h>
using namespace std;
const int N = 2500;
int arr[N][N];
int pref[N][N];
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n, m;
cin >> n >> m;
if (n * n * n * m * m * m > 1e8) return 0;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
char x; cin >> x;
arr[i][j] = x - '0';
pref[i][j] = x - '0';
pref[i][j] += (i ? pref[i - 1][j] : 0);
pref[i][j] += (j ? pref[i][j - 1] : 0);
pref[i][j] -= (i && j ? pref[i - 1][j - 1] : 0);
}
}
auto get = [&](int a, int b, int c, int d) ->int {
int s = pref[c][d];
s -= (a ? pref[a - 1][d] : 0);
s -= (b ? pref[c][b - 1] : 0);
s += (a && b ? pref[a - 1][b - 1] : 0);
return s;
};
// brute force
int ans = 0, Q = 2;
for (int a = 1; a <= n; a++) {
for (int b = 1; b <= m; b++) {
for (int i = 0; i + a - 1 < n; i++) {
for (int j = 0; j + b - 1 < m; j++) {
int g = get(i, j, i + a - 1, j + b - 1);
if (g == a * b) {
for (int i2 = i; i2 <= i + a - 1; i2++) {
for (int j2 = j; j2 <= j + b - 1; j2++)
arr[i2][j2] = Q;
}
}
}
}
int ok = 1;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
if (arr[i][j] != 0 && arr[i][j] != Q) ok = 0;
}
}
if (ok) {
ans = max(ans, a * b);
}
Q++;
}
}
cout << ans << '\n';
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
460 KB |
Output is correct |
| 3 |
Execution timed out |
1093 ms |
20404 KB |
Time limit exceeded |
| 4 |
Correct |
350 ms |
20388 KB |
Output is correct |
| 5 |
Correct |
40 ms |
332 KB |
Output is correct |
| 6 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
460 KB |
Output is correct |
| 9 |
Correct |
1 ms |
460 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
460 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
460 KB |
Output is correct |
| 17 |
Correct |
52 ms |
872 KB |
Output is correct |
| 18 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 19 |
Correct |
85 ms |
1128 KB |
Output is correct |
| 20 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
| 21 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 22 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 23 |
Correct |
175 ms |
1192 KB |
Output is correct |
| 24 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 25 |
Correct |
232 ms |
1192 KB |
Output is correct |
| 26 |
Execution timed out |
1083 ms |
1100 KB |
Time limit exceeded |
| 27 |
Incorrect |
0 ms |
332 KB |
Output isn't correct |
| 28 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 29 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 30 |
Execution timed out |
1080 ms |
5316 KB |
Time limit exceeded |
| 31 |
Execution timed out |
1081 ms |
4300 KB |
Time limit exceeded |
| 32 |
Execution timed out |
1002 ms |
4928 KB |
Time limit exceeded |
| 33 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 34 |
Execution timed out |
1088 ms |
3788 KB |
Time limit exceeded |
| 35 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 36 |
Incorrect |
0 ms |
332 KB |
Output isn't correct |
| 37 |
Correct |
1 ms |
460 KB |
Output is correct |
| 38 |
Execution timed out |
1036 ms |
52360 KB |
Time limit exceeded |
| 39 |
Correct |
1 ms |
460 KB |
Output is correct |
| 40 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 41 |
Correct |
1 ms |
444 KB |
Output is correct |
| 42 |
Execution timed out |
1078 ms |
1100 KB |
Time limit exceeded |
| 43 |
Execution timed out |
1033 ms |
52468 KB |
Time limit exceeded |
| 44 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 45 |
Execution timed out |
1052 ms |
52872 KB |
Time limit exceeded |
| 46 |
Execution timed out |
1061 ms |
53280 KB |
Time limit exceeded |
| 47 |
Execution timed out |
1060 ms |
53240 KB |
Time limit exceeded |
| 48 |
Execution timed out |
1082 ms |
53260 KB |
Time limit exceeded |
| 49 |
Execution timed out |
1046 ms |
53224 KB |
Time limit exceeded |
| 50 |
Execution timed out |
1037 ms |
53196 KB |
Time limit exceeded |
| 51 |
Execution timed out |
1049 ms |
53376 KB |
Time limit exceeded |
| 52 |
Execution timed out |
1026 ms |
53444 KB |
Time limit exceeded |
| 53 |
Execution timed out |
1022 ms |
53660 KB |
Time limit exceeded |
| 54 |
Execution timed out |
1075 ms |
53760 KB |
Time limit exceeded |
| 55 |
Execution timed out |
1085 ms |
53872 KB |
Time limit exceeded |
| 56 |
Execution timed out |
1103 ms |
54116 KB |
Time limit exceeded |
| 57 |
Execution timed out |
1076 ms |
54256 KB |
Time limit exceeded |
| 58 |
Execution timed out |
1056 ms |
54264 KB |
Time limit exceeded |
| 59 |
Execution timed out |
1060 ms |
54512 KB |
Time limit exceeded |
| 60 |
Execution timed out |
1068 ms |
54596 KB |
Time limit exceeded |
| 61 |
Execution timed out |
1071 ms |
54492 KB |
Time limit exceeded |
| 62 |
Execution timed out |
1089 ms |
54728 KB |
Time limit exceeded |
| 63 |
Execution timed out |
1087 ms |
54828 KB |
Time limit exceeded |
| 64 |
Execution timed out |
1077 ms |
54752 KB |
Time limit exceeded |
| 65 |
Execution timed out |
1066 ms |
54668 KB |
Time limit exceeded |
| 66 |
Execution timed out |
1086 ms |
54724 KB |
Time limit exceeded |
| 67 |
Execution timed out |
1070 ms |
54724 KB |
Time limit exceeded |
| 68 |
Execution timed out |
1073 ms |
54564 KB |
Time limit exceeded |
| 69 |
Execution timed out |
1086 ms |
54300 KB |
Time limit exceeded |
| 70 |
Execution timed out |
1091 ms |
43324 KB |
Time limit exceeded |
| 71 |
Execution timed out |
1072 ms |
53900 KB |
Time limit exceeded |
| 72 |
Execution timed out |
1094 ms |
53916 KB |
Time limit exceeded |
| 73 |
Execution timed out |
1082 ms |
53444 KB |
Time limit exceeded |
| 74 |
Execution timed out |
1098 ms |
53512 KB |
Time limit exceeded |
| 75 |
Execution timed out |
1081 ms |
53444 KB |
Time limit exceeded |
| 76 |
Execution timed out |
1091 ms |
52952 KB |
Time limit exceeded |
| 77 |
Execution timed out |
1055 ms |
52972 KB |
Time limit exceeded |
| 78 |
Execution timed out |
1098 ms |
52984 KB |
Time limit exceeded |
| 79 |
Execution timed out |
1073 ms |
52536 KB |
Time limit exceeded |
| 80 |
Execution timed out |
1099 ms |
52412 KB |
Time limit exceeded |
| 81 |
Execution timed out |
1087 ms |
52300 KB |
Time limit exceeded |
| 82 |
Execution timed out |
1091 ms |
51904 KB |
Time limit exceeded |
| 83 |
Execution timed out |
1085 ms |
51580 KB |
Time limit exceeded |
| 84 |
Execution timed out |
1074 ms |
51588 KB |
Time limit exceeded |
| 85 |
Execution timed out |
1038 ms |
51736 KB |
Time limit exceeded |
| 86 |
Execution timed out |
1098 ms |
55020 KB |
Time limit exceeded |
| 87 |
Execution timed out |
1091 ms |
55044 KB |
Time limit exceeded |
| 88 |
Execution timed out |
1071 ms |
54844 KB |
Time limit exceeded |
| 89 |
Execution timed out |
1085 ms |
54812 KB |
Time limit exceeded |
| 90 |
Execution timed out |
1093 ms |
43256 KB |
Time limit exceeded |
| 91 |
Execution timed out |
1088 ms |
54340 KB |
Time limit exceeded |
| 92 |
Execution timed out |
1086 ms |
54316 KB |
Time limit exceeded |
| 93 |
Execution timed out |
1075 ms |
54136 KB |
Time limit exceeded |
| 94 |
Execution timed out |
1071 ms |
53956 KB |
Time limit exceeded |
| 95 |
Execution timed out |
1038 ms |
53784 KB |
Time limit exceeded |
| 96 |
Execution timed out |
1065 ms |
53568 KB |
Time limit exceeded |
| 97 |
Execution timed out |
1074 ms |
53800 KB |
Time limit exceeded |
| 98 |
Execution timed out |
1074 ms |
54088 KB |
Time limit exceeded |
| 99 |
Execution timed out |
1074 ms |
54068 KB |
Time limit exceeded |
| 100 |
Execution timed out |
1078 ms |
53828 KB |
Time limit exceeded |
