| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 706344 |
2023-03-06T09:48:32 Z |
KiriLL1ca |
Bomb (IZhO17_bomb) |
C++17 |
|
649 ms |
56424 KB |
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define fr first
#define sc second
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define endl '\n'
#define sz(x) (int)((x).size())
#define vec vector
#define pw(x) (1ll << x)
using namespace std;
using namespace __gnu_pbds;
template <typename T> inline bool umin (T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; }
template <typename T> inline bool umax (T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; }
typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
const int inf = 1e9 + 17;
inline void solve () {
int n, m; cin >> n >> m;
vec <string> a (n);
for (auto &i : a) cin >> i;
vec <int> mx (m + 2, inf);
for (int iter = 0; iter < 2; ++iter) {
vec <vec <int>> p (n, vec <int> (m)), s (n, vec <int> (m));
for (int j = 0; j < m; ++j) {
p[0][j] = (a[0][j] == '1');
for (int i = 1; i < n; ++i) {
if (a[i][j] == '1') p[i][j] = p[i - 1][j] + 1;
}
s[n - 1][j] = (a[n - 1][j] == '1');
for (int i = n - 2; ~i; --i) {
if (a[i][j] == '1') s[i][j] = s[i + 1][j] + 1;
}
for (int i = 0; i < n; ++i) if (a[i][j] == '1') umin(mx[1], p[i][j] + s[i][j] - 1);
}
for (int i = 0; i < n; ++i) {
for (int l = 0, r = 0; r < m; ) {
while (r < m && a[i][r] == '1') ++r;
if (l == r) {
++l, ++r;
continue;
}
int mn_down = inf, mn_up = inf;
for (int q = l; q < r; ++q) {
umin(mn_up, p[i][q]);
umin(mn_down, s[i][q]);
umin(mx[q - l + 1], mn_down + mn_up - 1);
}
umin(mx[r - l + 1], 0);
l = r;
}
}
for (auto &i : a) reverse(all(i));
}
int ans = 0;
for (int i = 1; i <= m; ++i) {
umin(mx[i], mx[i - 1]);
// cout << mx[i] << " " << i << endl;
umax(ans, mx[i] * i);
}
cout << ans << endl;
}
signed main () {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#ifdef LOCAL
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif// LOCAL
int t = 1; //cin >> t;
while (t--) solve();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
596 KB |
Output is correct |
| 4 |
Correct |
1 ms |
596 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
0 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
0 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
0 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
3 ms |
980 KB |
Output is correct |
| 28 |
Correct |
2 ms |
1240 KB |
Output is correct |
| 29 |
Correct |
4 ms |
1380 KB |
Output is correct |
| 30 |
Correct |
4 ms |
2004 KB |
Output is correct |
| 31 |
Correct |
3 ms |
1620 KB |
Output is correct |
| 32 |
Correct |
3 ms |
1748 KB |
Output is correct |
| 33 |
Correct |
5 ms |
2132 KB |
Output is correct |
| 34 |
Correct |
2 ms |
1084 KB |
Output is correct |
| 35 |
Correct |
5 ms |
2132 KB |
Output is correct |
| 36 |
Correct |
7 ms |
2132 KB |
Output is correct |
| 37 |
Correct |
0 ms |
212 KB |
Output is correct |
| 38 |
Correct |
610 ms |
56156 KB |
Output is correct |
| 39 |
Correct |
0 ms |
212 KB |
Output is correct |
| 40 |
Correct |
54 ms |
7252 KB |
Output is correct |
| 41 |
Correct |
0 ms |
212 KB |
Output is correct |
| 42 |
Correct |
1 ms |
340 KB |
Output is correct |
| 43 |
Correct |
496 ms |
56168 KB |
Output is correct |
| 44 |
Correct |
5 ms |
2132 KB |
Output is correct |
| 45 |
Correct |
462 ms |
56288 KB |
Output is correct |
| 46 |
Correct |
459 ms |
56196 KB |
Output is correct |
| 47 |
Correct |
469 ms |
56308 KB |
Output is correct |
| 48 |
Correct |
442 ms |
56268 KB |
Output is correct |
| 49 |
Correct |
622 ms |
56160 KB |
Output is correct |
| 50 |
Correct |
452 ms |
56212 KB |
Output is correct |
| 51 |
Correct |
445 ms |
56264 KB |
Output is correct |
| 52 |
Correct |
454 ms |
56160 KB |
Output is correct |
| 53 |
Correct |
449 ms |
56424 KB |
Output is correct |
| 54 |
Correct |
338 ms |
56192 KB |
Output is correct |
| 55 |
Correct |
336 ms |
56192 KB |
Output is correct |
| 56 |
Correct |
645 ms |
56196 KB |
Output is correct |
| 57 |
Correct |
312 ms |
56164 KB |
Output is correct |
| 58 |
Correct |
330 ms |
56184 KB |
Output is correct |
| 59 |
Correct |
327 ms |
56172 KB |
Output is correct |
| 60 |
Correct |
419 ms |
56148 KB |
Output is correct |
| 61 |
Correct |
631 ms |
56160 KB |
Output is correct |
| 62 |
Correct |
649 ms |
56164 KB |
Output is correct |
| 63 |
Correct |
628 ms |
56196 KB |
Output is correct |
| 64 |
Correct |
327 ms |
56204 KB |
Output is correct |
| 65 |
Correct |
422 ms |
56148 KB |
Output is correct |
| 66 |
Correct |
440 ms |
56288 KB |
Output is correct |
| 67 |
Correct |
467 ms |
56292 KB |
Output is correct |
| 68 |
Correct |
519 ms |
56292 KB |
Output is correct |
| 69 |
Correct |
314 ms |
56188 KB |
Output is correct |
| 70 |
Correct |
116 ms |
36028 KB |
Output is correct |
| 71 |
Correct |
252 ms |
56168 KB |
Output is correct |
| 72 |
Correct |
307 ms |
56184 KB |
Output is correct |
| 73 |
Correct |
326 ms |
56176 KB |
Output is correct |
| 74 |
Correct |
326 ms |
56232 KB |
Output is correct |
| 75 |
Correct |
343 ms |
56204 KB |
Output is correct |
| 76 |
Correct |
330 ms |
56168 KB |
Output is correct |
| 77 |
Correct |
341 ms |
56104 KB |
Output is correct |
| 78 |
Correct |
343 ms |
56172 KB |
Output is correct |
| 79 |
Correct |
175 ms |
56168 KB |
Output is correct |
| 80 |
Correct |
178 ms |
56164 KB |
Output is correct |
| 81 |
Correct |
208 ms |
56260 KB |
Output is correct |
| 82 |
Correct |
380 ms |
56312 KB |
Output is correct |
| 83 |
Correct |
339 ms |
56192 KB |
Output is correct |
| 84 |
Correct |
184 ms |
56316 KB |
Output is correct |
| 85 |
Correct |
329 ms |
56220 KB |
Output is correct |
| 86 |
Correct |
575 ms |
56240 KB |
Output is correct |
| 87 |
Correct |
336 ms |
56148 KB |
Output is correct |
| 88 |
Correct |
352 ms |
56064 KB |
Output is correct |
| 89 |
Correct |
379 ms |
56168 KB |
Output is correct |
| 90 |
Correct |
167 ms |
36080 KB |
Output is correct |
| 91 |
Correct |
371 ms |
56304 KB |
Output is correct |
| 92 |
Correct |
428 ms |
56160 KB |
Output is correct |
| 93 |
Correct |
609 ms |
56148 KB |
Output is correct |
| 94 |
Correct |
409 ms |
56168 KB |
Output is correct |
| 95 |
Correct |
347 ms |
56216 KB |
Output is correct |
| 96 |
Correct |
361 ms |
56220 KB |
Output is correct |
| 97 |
Correct |
603 ms |
56164 KB |
Output is correct |
| 98 |
Correct |
351 ms |
56264 KB |
Output is correct |
| 99 |
Correct |
413 ms |
56292 KB |
Output is correct |
| 100 |
Correct |
560 ms |
56260 KB |
Output is correct |
