| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 505715 |
2022-01-11T07:10:26 Z |
pragmatist |
Bomb (IZhO17_bomb) |
C++17 |
|
1000 ms |
12676 KB |
#include <bits/stdc++.h>
#define pb push_back
#define sz(v) (int)v.size()
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define x first
#define y second
#define int long long
#define nl "\n"
using namespace std;
typedef long long ll;
typedef pair<long long, long long> pll;
typedef pair <ll, ll> pii;
const int N = (int)1e6 + 7;
const int M = (int)5e6 + 7;
const ll MOD = (ll)1e9 + 7;
const int inf = (int)1e9 + 7;
const ll INF = (ll)3e18 + 7;
pii dir[] = {{-1, -1}, {1, 1}, {-1, 1}, {1, -1}};
int n, m;
char c[2501][2501];
bool used[2501][2501];
void solve() {
cin >> n >> m;
for(int i = 1; i <= n; ++i) {
for(int j = 1; j <= m; ++j) {
cin >> c[i][j];
}
}
int ans = inf;
if(n == 1) {
int cur = 0;
for(int i = 1; i <= m; ++i) {
if(c[1][i] == '1') cur++;
else {
if(cur > 0) ans = min(ans, cur);
cur = 0;
}
}
if(c[1][m] == '1') ans = min(ans, cur);
cout << ans << nl;
return;
}
if(m == 1) {
int cur = 0;
for(int i = 1; i <= n; ++i) {
if(c[i][1] == '1') cur++;
else {
if(cur > 0) ans = min(ans, cur);
cur = 0;
}
}
if(c[n][1] == '1') ans = min(ans, cur);
cout << ans << nl;
return;
}
ans = 0;
for(int e = 1; e <= n; ++e) {
for(int f = 1; f <= m; ++f) {
bool ok = 1;
for(int i = 1; i <= n; ++i) fill(used[i] + 1, used[i] + 1 + m, 0);
for(int i = 1; i <= n; ++i) {
for(int j = 1; j <= m; ++j) {
if(i + e - 1 > n || j + f - 1 > m) break;
if(c[i][j] == '1') {
bool cur = 1;
for(int ii = i; ii <= i + e - 1 && cur; ++ii) {
for(int jj = j; jj <= j + f - 1 && cur; ++jj) {
cur &= (c[ii][jj] == '1');
}
}
if(cur) {
for(int ii = i; ii <= i + e - 1 && cur; ++ii) {
for(int jj = j; jj <= j + f - 1 && cur; ++jj) {
used[ii][jj] = 1;
}
}
}
}
}
}
for(int i = 1; i <= n && ok; ++i) {
for(int j = 1; j <= m && ok; ++j) {
if(c[i][j] == '1') ok &= (used[i][j] == 1);
}
}
if(ok) {
ans = max(ans, e * f);
//cout << e << ' ' << f << nl;
}
}
}
cout << ans << nl;
}
signed main() {
ios_base::sync_with_stdio(NULL);
cin.tie(0);
cout.tie(0);
int test = 1;
//cin >> test;
for(int i = 1; i <= test; ++i) {
//cout << "Case " << i << ": ";
solve();
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
332 KB |
Output is correct |
| 3 |
Correct |
2 ms |
6348 KB |
Output is correct |
| 4 |
Correct |
2 ms |
6348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
0 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 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 |
2 ms |
332 KB |
Output is correct |
| 17 |
Correct |
29 ms |
600 KB |
Output is correct |
| 18 |
Correct |
12 ms |
588 KB |
Output is correct |
| 19 |
Correct |
77 ms |
764 KB |
Output is correct |
| 20 |
Correct |
83 ms |
716 KB |
Output is correct |
| 21 |
Correct |
10 ms |
460 KB |
Output is correct |
| 22 |
Correct |
29 ms |
588 KB |
Output is correct |
| 23 |
Correct |
409 ms |
800 KB |
Output is correct |
| 24 |
Correct |
69 ms |
696 KB |
Output is correct |
| 25 |
Correct |
664 ms |
796 KB |
Output is correct |
| 26 |
Execution timed out |
1089 ms |
716 KB |
Time limit exceeded |
| 27 |
Execution timed out |
1088 ms |
1740 KB |
Time limit exceeded |
| 28 |
Execution timed out |
1090 ms |
1740 KB |
Time limit exceeded |
| 29 |
Execution timed out |
1091 ms |
2124 KB |
Time limit exceeded |
| 30 |
Execution timed out |
1083 ms |
2380 KB |
Time limit exceeded |
| 31 |
Execution timed out |
1091 ms |
1868 KB |
Time limit exceeded |
| 32 |
Execution timed out |
1099 ms |
2252 KB |
Time limit exceeded |
| 33 |
Execution timed out |
1100 ms |
2508 KB |
Time limit exceeded |
| 34 |
Execution timed out |
1099 ms |
1996 KB |
Time limit exceeded |
| 35 |
Execution timed out |
1083 ms |
2508 KB |
Time limit exceeded |
| 36 |
Execution timed out |
1086 ms |
2508 KB |
Time limit exceeded |
| 37 |
Correct |
1 ms |
332 KB |
Output is correct |
| 38 |
Execution timed out |
1096 ms |
12448 KB |
Time limit exceeded |
| 39 |
Correct |
1 ms |
332 KB |
Output is correct |
| 40 |
Execution timed out |
1085 ms |
4492 KB |
Time limit exceeded |
| 41 |
Correct |
1 ms |
332 KB |
Output is correct |
| 42 |
Execution timed out |
1082 ms |
716 KB |
Time limit exceeded |
| 43 |
Execution timed out |
1099 ms |
12436 KB |
Time limit exceeded |
| 44 |
Execution timed out |
1083 ms |
2508 KB |
Time limit exceeded |
| 45 |
Execution timed out |
1096 ms |
12484 KB |
Time limit exceeded |
| 46 |
Execution timed out |
1077 ms |
12488 KB |
Time limit exceeded |
| 47 |
Execution timed out |
1085 ms |
12412 KB |
Time limit exceeded |
| 48 |
Execution timed out |
1100 ms |
12476 KB |
Time limit exceeded |
| 49 |
Execution timed out |
1095 ms |
12484 KB |
Time limit exceeded |
| 50 |
Execution timed out |
1087 ms |
12584 KB |
Time limit exceeded |
| 51 |
Execution timed out |
1086 ms |
12452 KB |
Time limit exceeded |
| 52 |
Execution timed out |
1101 ms |
12476 KB |
Time limit exceeded |
| 53 |
Execution timed out |
1094 ms |
12484 KB |
Time limit exceeded |
| 54 |
Execution timed out |
1090 ms |
12420 KB |
Time limit exceeded |
| 55 |
Execution timed out |
1082 ms |
12676 KB |
Time limit exceeded |
| 56 |
Execution timed out |
1091 ms |
12512 KB |
Time limit exceeded |
| 57 |
Execution timed out |
1090 ms |
12408 KB |
Time limit exceeded |
| 58 |
Execution timed out |
1094 ms |
12496 KB |
Time limit exceeded |
| 59 |
Execution timed out |
1071 ms |
12448 KB |
Time limit exceeded |
| 60 |
Execution timed out |
1073 ms |
12416 KB |
Time limit exceeded |
| 61 |
Execution timed out |
1095 ms |
12516 KB |
Time limit exceeded |
| 62 |
Execution timed out |
1082 ms |
12484 KB |
Time limit exceeded |
| 63 |
Execution timed out |
1093 ms |
12472 KB |
Time limit exceeded |
| 64 |
Execution timed out |
1097 ms |
12464 KB |
Time limit exceeded |
| 65 |
Execution timed out |
1092 ms |
12484 KB |
Time limit exceeded |
| 66 |
Execution timed out |
1091 ms |
12460 KB |
Time limit exceeded |
| 67 |
Execution timed out |
1095 ms |
12484 KB |
Time limit exceeded |
| 68 |
Execution timed out |
1094 ms |
12424 KB |
Time limit exceeded |
| 69 |
Execution timed out |
1094 ms |
12416 KB |
Time limit exceeded |
| 70 |
Execution timed out |
1095 ms |
9996 KB |
Time limit exceeded |
| 71 |
Execution timed out |
1088 ms |
12424 KB |
Time limit exceeded |
| 72 |
Execution timed out |
1089 ms |
12480 KB |
Time limit exceeded |
| 73 |
Execution timed out |
1087 ms |
12484 KB |
Time limit exceeded |
| 74 |
Execution timed out |
1091 ms |
12504 KB |
Time limit exceeded |
| 75 |
Execution timed out |
1066 ms |
12452 KB |
Time limit exceeded |
| 76 |
Execution timed out |
1094 ms |
12504 KB |
Time limit exceeded |
| 77 |
Execution timed out |
1086 ms |
12416 KB |
Time limit exceeded |
| 78 |
Execution timed out |
1084 ms |
12480 KB |
Time limit exceeded |
| 79 |
Execution timed out |
1094 ms |
12460 KB |
Time limit exceeded |
| 80 |
Execution timed out |
1088 ms |
12416 KB |
Time limit exceeded |
| 81 |
Execution timed out |
1090 ms |
12448 KB |
Time limit exceeded |
| 82 |
Execution timed out |
1092 ms |
12524 KB |
Time limit exceeded |
| 83 |
Execution timed out |
1090 ms |
12588 KB |
Time limit exceeded |
| 84 |
Execution timed out |
1094 ms |
12484 KB |
Time limit exceeded |
| 85 |
Execution timed out |
1086 ms |
12452 KB |
Time limit exceeded |
| 86 |
Execution timed out |
1089 ms |
12444 KB |
Time limit exceeded |
| 87 |
Execution timed out |
1069 ms |
12440 KB |
Time limit exceeded |
| 88 |
Execution timed out |
1093 ms |
12468 KB |
Time limit exceeded |
| 89 |
Execution timed out |
1079 ms |
12456 KB |
Time limit exceeded |
| 90 |
Execution timed out |
1089 ms |
10008 KB |
Time limit exceeded |
| 91 |
Execution timed out |
1084 ms |
12484 KB |
Time limit exceeded |
| 92 |
Execution timed out |
1081 ms |
12484 KB |
Time limit exceeded |
| 93 |
Execution timed out |
1094 ms |
12484 KB |
Time limit exceeded |
| 94 |
Execution timed out |
1085 ms |
12484 KB |
Time limit exceeded |
| 95 |
Execution timed out |
1096 ms |
12460 KB |
Time limit exceeded |
| 96 |
Execution timed out |
1090 ms |
12484 KB |
Time limit exceeded |
| 97 |
Execution timed out |
1085 ms |
12420 KB |
Time limit exceeded |
| 98 |
Execution timed out |
1093 ms |
12444 KB |
Time limit exceeded |
| 99 |
Execution timed out |
1086 ms |
12420 KB |
Time limit exceeded |
| 100 |
Execution timed out |
1089 ms |
12492 KB |
Time limit exceeded |
