| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 167193 |
2019-12-06T10:34:33 Z |
hentai_lover |
Bomb (IZhO17_bomb) |
C++14 |
|
427 ms |
3448 KB |
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#pragma GCC optimize("-O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#define pb push_back
#define fr(i, l, r) for(ll i = l; i <= r; ++ i)
#define rf(i, l, r) for(ll i = l; i >= r; -- i)
using namespace std;
using namespace __gnu_pbds;
template <typename T>
using _set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef int ll;
typedef pair<ll, ll> pll;
const ll oo = ll(1e9) + 10;
ll p[3000][300];
ll get(ll x1, ll y1, ll x2, ll y2){
return p[x2][y2] - p[x2][y1 - 1] - p[x1 - 1][y2] + p[x1 - 1][y1 - 1];
}
int main() {
ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
ll n, m, ansx = 0, ansy = 0, ans = 0;
cin >> n >> m;
if(n * m > 10000)return 0;
char a[n + 1][m + 1];
fr(i, 1, n)fr(j, 1, m){
cin >> a[i][j];
p[i][j] = p[i - 1][j] + p[i][j - 1] - p[i - 1][j - 1] + 1 - (a[i][j] - '0');
}
rf(r, n, 1){
rf(c, m, 1){
vector <pll> v;
fr(i, 1, n - r + 1){
fr(j, 1, m - c + 1){
//if(a[i][j] == '0')continue;
//cout << "i = " << i << " j = " << j << " get = " << get(i, j, i + r - 1, j + c - 1) << endl;
if(get(i, j, i + r - 1, j + c - 1) == 0)v.pb({i, j});
}
}
reverse(v.begin(), v.end());
//cout << "r = " << r << " c = " << c << endl;
//cout << "v: " << endl;
//for(auto i : v)cout << i.first << ' ' << i.second << endl;
bool usd[n + 1][m + 1];
fr(i, 1, n)fr(j, 1, m)usd[i][j] = 0;
for(auto x : v){
fr(i, 0, r - 1){
if(usd[x.first + i][x.second])break;
fr(j, 0, c - 1){
if(usd[x.first + i][x.second + j])break;
usd[x.first + i][x.second + j] = 1;
}
}
}
bool ok = 1;
fr(i, 1, n){
fr(j, 1, m){
if(a[i][j] == '1' && usd[i][j] == 0)ok = 0;
}
}
if(ok)ans = max(ans, r * c);
}
}
//cout << ansx << ' ' << ansy << endl;
cout << ans;
}
/*
3 3
011
111
111
*/
Compilation message
bomb.cpp: In function 'int main()':
bomb.cpp:31:14: warning: unused variable 'ansx' [-Wunused-variable]
ll n, m, ansx = 0, ansy = 0, ans = 0;
^~~~
bomb.cpp:31:24: warning: unused variable 'ansy' [-Wunused-variable]
ll n, m, ansx = 0, ansy = 0, ans = 0;
^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
376 KB |
Output is correct |
| 2 |
Correct |
3 ms |
376 KB |
Output is correct |
| 3 |
Correct |
97 ms |
3448 KB |
Output is correct |
| 4 |
Correct |
87 ms |
3448 KB |
Output is correct |
| 5 |
Correct |
20 ms |
504 KB |
Output is correct |
| 6 |
Correct |
10 ms |
380 KB |
Output is correct |
| 7 |
Correct |
2 ms |
372 KB |
Output is correct |
| 8 |
Correct |
3 ms |
452 KB |
Output is correct |
| 9 |
Correct |
3 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
3 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
2 ms |
376 KB |
Output is correct |
| 15 |
Correct |
3 ms |
376 KB |
Output is correct |
| 16 |
Correct |
3 ms |
376 KB |
Output is correct |
| 17 |
Incorrect |
29 ms |
504 KB |
Output isn't correct |
| 18 |
Correct |
28 ms |
504 KB |
Output is correct |
| 19 |
Correct |
74 ms |
504 KB |
Output is correct |
| 20 |
Correct |
82 ms |
504 KB |
Output is correct |
| 21 |
Correct |
29 ms |
504 KB |
Output is correct |
| 22 |
Incorrect |
66 ms |
504 KB |
Output isn't correct |
| 23 |
Correct |
138 ms |
504 KB |
Output is correct |
| 24 |
Correct |
52 ms |
504 KB |
Output is correct |
| 25 |
Correct |
152 ms |
664 KB |
Output is correct |
| 26 |
Correct |
427 ms |
912 KB |
Output is correct |
| 27 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 28 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 29 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 30 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 31 |
Incorrect |
2 ms |
396 KB |
Output isn't correct |
| 32 |
Incorrect |
2 ms |
436 KB |
Output isn't correct |
| 33 |
Incorrect |
2 ms |
436 KB |
Output isn't correct |
| 34 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 35 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 36 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 37 |
Correct |
3 ms |
376 KB |
Output is correct |
| 38 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 39 |
Correct |
3 ms |
376 KB |
Output is correct |
| 40 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 41 |
Incorrect |
15 ms |
376 KB |
Output isn't correct |
| 42 |
Incorrect |
252 ms |
788 KB |
Output isn't correct |
| 43 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 44 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 45 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 46 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 47 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 48 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 49 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 50 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 51 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 52 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 53 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
| 54 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 55 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 56 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 57 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 58 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 59 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 60 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 61 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 62 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 63 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 64 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 65 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 66 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 67 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 68 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 69 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 70 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
| 71 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 72 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 73 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 74 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 75 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 76 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 77 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 78 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 79 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 80 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 81 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 82 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 83 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 84 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 85 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 86 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
| 87 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 88 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 89 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 90 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 91 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 92 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 93 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 94 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 95 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 96 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 97 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 98 |
Incorrect |
8 ms |
376 KB |
Output isn't correct |
| 99 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 100 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
