| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 574045 |
2022-06-07T15:56:02 Z |
vovamr |
Bomb (IZhO17_bomb) |
C++17 |
|
679 ms |
75024 KB |
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define fi first
#define se second
#define ll long long
#define ld long double
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define mpp make_pair
#define ve vector
using namespace std;
using namespace __gnu_pbds;
template<class T> using oset = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
const ll inf = 1e18; const int iinf = 1e9;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
template <typename T> inline bool chmin(T& a, T b) { return (a > b ? a = b, 1 : 0); }
template <typename T> inline bool chmax(T& a, T b) { return (a < b ? a = b, 1 : 0); }
inline void solve() {
int n, m;
cin >> n >> m;
ve<ve<int>> a(n, ve<int>(m));
for (int i = 0; i < n; ++i) {
for (int j = 0; j < m; ++j) {
char x;
cin >> x;
a[i][j] = x - '0';
}
}
ve<int> mx(m + 2, iinf);
for (int rep = 0; rep < 2; ++rep) {
ve<ve<int>> dp1(n, ve<int> (m)), dp2(n, ve<int> (m));
for (int j = 0; j < m; ++j) {
for (int i = 0; i < n; ++i) {
dp1[i][j] = (a[i][j] ? 1 + (!i ? 0 : dp1[i - 1][j]) : 0);
}
for (int i = n - 1; ~i; --i) {
dp2[i][j] = (a[i][j] ? 1 + (i + 1 == n ? 0 : dp2[i + 1][j]) : 0);
chmin(mx[1], dp1[i][j] + dp2[i][j] - 1);
}
}
for (int i = 0; i < n; ++i) {
for (int j = 0; j < m; ) {
if (!a[i][j]) { ++j; continue; }
int p = j;
while (j < m && a[i][p]) ++p;
int a = iinf, b = iinf;
for (int k = j; k < p; ++k) {
chmin(a, dp1[i][k]); chmin(b, dp2[i][k]);
chmin(mx[k - j + 1], a + b - 1);
}
chmin(mx[p - j + 1], 0);
j = p;
}
}
for (int i = 0; i < n; ++i) reverse(all(a[i]));
}
ll ans = 0;
for (int i = 1; i <= m; ++i) {
chmin(mx[i], mx[i - 1]);
chmax(ans, i * 1ll * mx[i]);
}
cout << ans;
}
signed main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int q = 1; // cin >> q;
while (q--) solve();
cerr << fixed << setprecision(3) << "Time execution: " << (double)clock() / CLOCKS_PER_SEC << endl;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 3 |
Incorrect |
1 ms |
724 KB |
Output isn't correct |
| 4 |
Incorrect |
1 ms |
724 KB |
Output isn't correct |
| 5 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 6 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 7 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 8 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 9 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 10 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 11 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 12 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 13 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 14 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 15 |
Incorrect |
0 ms |
324 KB |
Output isn't correct |
| 16 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 17 |
Incorrect |
1 ms |
328 KB |
Output isn't correct |
| 18 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 19 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 20 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 21 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 22 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 23 |
Incorrect |
1 ms |
460 KB |
Output isn't correct |
| 24 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
| 25 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
| 26 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 27 |
Incorrect |
4 ms |
1364 KB |
Output isn't correct |
| 28 |
Incorrect |
6 ms |
1748 KB |
Output isn't correct |
| 29 |
Incorrect |
6 ms |
1892 KB |
Output isn't correct |
| 30 |
Incorrect |
8 ms |
2708 KB |
Output isn't correct |
| 31 |
Incorrect |
6 ms |
2260 KB |
Output isn't correct |
| 32 |
Incorrect |
7 ms |
2372 KB |
Output isn't correct |
| 33 |
Incorrect |
9 ms |
2928 KB |
Output isn't correct |
| 34 |
Incorrect |
3 ms |
1424 KB |
Output isn't correct |
| 35 |
Incorrect |
8 ms |
2928 KB |
Output isn't correct |
| 36 |
Incorrect |
10 ms |
2900 KB |
Output isn't correct |
| 37 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 38 |
Correct |
679 ms |
74916 KB |
Output is correct |
| 39 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 40 |
Incorrect |
67 ms |
10180 KB |
Output isn't correct |
| 41 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 42 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
| 43 |
Incorrect |
619 ms |
74924 KB |
Output isn't correct |
| 44 |
Incorrect |
8 ms |
2900 KB |
Output isn't correct |
| 45 |
Incorrect |
646 ms |
75024 KB |
Output isn't correct |
| 46 |
Incorrect |
675 ms |
74968 KB |
Output isn't correct |
| 47 |
Incorrect |
661 ms |
75016 KB |
Output isn't correct |
| 48 |
Incorrect |
655 ms |
74928 KB |
Output isn't correct |
| 49 |
Incorrect |
665 ms |
74900 KB |
Output isn't correct |
| 50 |
Incorrect |
661 ms |
74960 KB |
Output isn't correct |
| 51 |
Incorrect |
627 ms |
74920 KB |
Output isn't correct |
| 52 |
Incorrect |
628 ms |
74900 KB |
Output isn't correct |
| 53 |
Incorrect |
609 ms |
74904 KB |
Output isn't correct |
| 54 |
Incorrect |
619 ms |
74904 KB |
Output isn't correct |
| 55 |
Incorrect |
634 ms |
74968 KB |
Output isn't correct |
| 56 |
Incorrect |
665 ms |
74940 KB |
Output isn't correct |
| 57 |
Incorrect |
614 ms |
74924 KB |
Output isn't correct |
| 58 |
Incorrect |
663 ms |
74936 KB |
Output isn't correct |
| 59 |
Incorrect |
615 ms |
74900 KB |
Output isn't correct |
| 60 |
Incorrect |
624 ms |
74908 KB |
Output isn't correct |
| 61 |
Incorrect |
635 ms |
75000 KB |
Output isn't correct |
| 62 |
Incorrect |
630 ms |
74924 KB |
Output isn't correct |
| 63 |
Incorrect |
659 ms |
74904 KB |
Output isn't correct |
| 64 |
Incorrect |
621 ms |
75016 KB |
Output isn't correct |
| 65 |
Incorrect |
642 ms |
74976 KB |
Output isn't correct |
| 66 |
Incorrect |
630 ms |
74896 KB |
Output isn't correct |
| 67 |
Incorrect |
629 ms |
74768 KB |
Output isn't correct |
| 68 |
Incorrect |
631 ms |
74776 KB |
Output isn't correct |
| 69 |
Incorrect |
622 ms |
74716 KB |
Output isn't correct |
| 70 |
Incorrect |
383 ms |
48192 KB |
Output isn't correct |
| 71 |
Incorrect |
616 ms |
74688 KB |
Output isn't correct |
| 72 |
Incorrect |
613 ms |
74728 KB |
Output isn't correct |
| 73 |
Incorrect |
635 ms |
74644 KB |
Output isn't correct |
| 74 |
Incorrect |
611 ms |
74660 KB |
Output isn't correct |
| 75 |
Incorrect |
618 ms |
74660 KB |
Output isn't correct |
| 76 |
Incorrect |
614 ms |
74556 KB |
Output isn't correct |
| 77 |
Incorrect |
622 ms |
74576 KB |
Output isn't correct |
| 78 |
Incorrect |
612 ms |
74516 KB |
Output isn't correct |
| 79 |
Incorrect |
630 ms |
74588 KB |
Output isn't correct |
| 80 |
Incorrect |
602 ms |
74524 KB |
Output isn't correct |
| 81 |
Incorrect |
599 ms |
74576 KB |
Output isn't correct |
| 82 |
Incorrect |
609 ms |
74516 KB |
Output isn't correct |
| 83 |
Incorrect |
611 ms |
74520 KB |
Output isn't correct |
| 84 |
Incorrect |
619 ms |
74600 KB |
Output isn't correct |
| 85 |
Incorrect |
596 ms |
74460 KB |
Output isn't correct |
| 86 |
Incorrect |
622 ms |
74428 KB |
Output isn't correct |
| 87 |
Incorrect |
618 ms |
74440 KB |
Output isn't correct |
| 88 |
Incorrect |
596 ms |
74428 KB |
Output isn't correct |
| 89 |
Incorrect |
625 ms |
74544 KB |
Output isn't correct |
| 90 |
Incorrect |
414 ms |
47904 KB |
Output isn't correct |
| 91 |
Incorrect |
611 ms |
74256 KB |
Output isn't correct |
| 92 |
Incorrect |
616 ms |
74320 KB |
Output isn't correct |
| 93 |
Incorrect |
626 ms |
74340 KB |
Output isn't correct |
| 94 |
Incorrect |
615 ms |
74280 KB |
Output isn't correct |
| 95 |
Incorrect |
623 ms |
74304 KB |
Output isn't correct |
| 96 |
Incorrect |
608 ms |
74312 KB |
Output isn't correct |
| 97 |
Incorrect |
620 ms |
74296 KB |
Output isn't correct |
| 98 |
Incorrect |
625 ms |
74260 KB |
Output isn't correct |
| 99 |
Incorrect |
620 ms |
74268 KB |
Output isn't correct |
| 100 |
Incorrect |
618 ms |
74320 KB |
Output isn't correct |
