| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 334582 |
2020-12-09T13:08:16 Z |
amunduzbaev |
Bomb (IZhO17_bomb) |
C++14 |
|
178 ms |
75884 KB |
#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define ub upper_bound
#define lb lower_bound
#define ll long long
#define ld long double
#define pii pair<int, int>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(),x.rend()
#define prc(n) fixed << setprecision(n)
#define fastios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define pi acos(-1);
const int inf = 1e9+7;
const int N = 2505;
int a[N][N], mnc, mnr, d[N][N], u[N][N], ans[N];
void solve(){
mnr = inf, mnc = inf;
int n, m;
cin>>n>>m;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
char c;
cin>>c;
a[i][j] = c - '0';
}
}
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
if(a[i][j])u[i][j] = u[i-1][j] + 1;
}
}
for(int i=n;i>0;i--){
for(int j=1;j<=m;j++){
if(a[i][j]){
d[i][j] = d[i+1][j]+1;
if(a[i+1][j] == 0) mnc = min(mnc, u[i][j]);
}
}
}
for(int i=1;i<=m;i++) ans[i] = mnc;
for(int i=1;i<=n;i++){
int aa = inf, b = inf, c = 0;
for(int j=1;j<=m;j++){
if(a[i][j] == 0){
if(c!=0) mnc = min(c, mnc);
aa = b = inf, c = 0;
}else{
aa = min(aa, d[i][j]);
b = min(b, u[i][j]);
c++;
ans[c] = min(ans[c], b + aa -1);
}
}
aa = inf, b = inf, c = 0;
for(int j = m; j>0; j--){
if(a[i][j] == 0){
if(c!=0) mnr = min(mnr, c);
aa = b = inf, c = 0;
}else{
aa = min(d[i][j], aa);
b = min(u[i][j], b);
c++;
ans[c] = min(ans[c], b + aa -1);
}
}
if(c > 0) mnr = min(mnr, c);
}
int mx = 0;
for(int i=1;i<=mnr;i++){
mx = max(ans[i] * i, mx);
}
cout<<mx<<"\n";
return;
}
int main(){
fastios
int t = 1;
//cin>>t;
while(t--) solve();
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
620 KB |
Output is correct |
| 3 |
Correct |
15 ms |
30444 KB |
Output is correct |
| 4 |
Correct |
17 ms |
30572 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
492 KB |
Output is correct |
| 9 |
Correct |
1 ms |
492 KB |
Output is correct |
| 10 |
Correct |
1 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
620 KB |
Output is correct |
| 12 |
Correct |
1 ms |
492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
492 KB |
Output is correct |
| 15 |
Correct |
1 ms |
492 KB |
Output is correct |
| 16 |
Correct |
1 ms |
620 KB |
Output is correct |
| 17 |
Correct |
1 ms |
1132 KB |
Output is correct |
| 18 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 19 |
Correct |
1 ms |
1260 KB |
Output is correct |
| 20 |
Correct |
1 ms |
1260 KB |
Output is correct |
| 21 |
Correct |
1 ms |
748 KB |
Output is correct |
| 22 |
Correct |
1 ms |
1004 KB |
Output is correct |
| 23 |
Correct |
1 ms |
1260 KB |
Output is correct |
| 24 |
Correct |
1 ms |
1132 KB |
Output is correct |
| 25 |
Correct |
1 ms |
1516 KB |
Output is correct |
| 26 |
Correct |
1 ms |
1644 KB |
Output is correct |
| 27 |
Correct |
5 ms |
4844 KB |
Output is correct |
| 28 |
Correct |
4 ms |
2412 KB |
Output is correct |
| 29 |
Correct |
7 ms |
6380 KB |
Output is correct |
| 30 |
Correct |
7 ms |
5740 KB |
Output is correct |
| 31 |
Correct |
6 ms |
4204 KB |
Output is correct |
| 32 |
Correct |
7 ms |
5356 KB |
Output is correct |
| 33 |
Correct |
9 ms |
6764 KB |
Output is correct |
| 34 |
Correct |
4 ms |
2668 KB |
Output is correct |
| 35 |
Correct |
6 ms |
3564 KB |
Output is correct |
| 36 |
Correct |
10 ms |
8300 KB |
Output is correct |
| 37 |
Correct |
1 ms |
620 KB |
Output is correct |
| 38 |
Correct |
177 ms |
75756 KB |
Output is correct |
| 39 |
Correct |
1 ms |
620 KB |
Output is correct |
| 40 |
Correct |
29 ms |
20076 KB |
Output is correct |
| 41 |
Correct |
1 ms |
620 KB |
Output is correct |
| 42 |
Correct |
2 ms |
1644 KB |
Output is correct |
| 43 |
Correct |
172 ms |
70764 KB |
Output is correct |
| 44 |
Correct |
10 ms |
7676 KB |
Output is correct |
| 45 |
Correct |
170 ms |
71660 KB |
Output is correct |
| 46 |
Correct |
176 ms |
75884 KB |
Output is correct |
| 47 |
Correct |
174 ms |
71788 KB |
Output is correct |
| 48 |
Correct |
175 ms |
75628 KB |
Output is correct |
| 49 |
Correct |
175 ms |
75756 KB |
Output is correct |
| 50 |
Correct |
174 ms |
75756 KB |
Output is correct |
| 51 |
Correct |
169 ms |
74220 KB |
Output is correct |
| 52 |
Correct |
167 ms |
74732 KB |
Output is correct |
| 53 |
Correct |
167 ms |
73580 KB |
Output is correct |
| 54 |
Correct |
162 ms |
61036 KB |
Output is correct |
| 55 |
Correct |
157 ms |
59116 KB |
Output is correct |
| 56 |
Correct |
178 ms |
75756 KB |
Output is correct |
| 57 |
Correct |
156 ms |
54252 KB |
Output is correct |
| 58 |
Correct |
157 ms |
59196 KB |
Output is correct |
| 59 |
Correct |
156 ms |
56172 KB |
Output is correct |
| 60 |
Correct |
165 ms |
66156 KB |
Output is correct |
| 61 |
Correct |
176 ms |
75756 KB |
Output is correct |
| 62 |
Correct |
173 ms |
75756 KB |
Output is correct |
| 63 |
Correct |
172 ms |
75756 KB |
Output is correct |
| 64 |
Correct |
156 ms |
57068 KB |
Output is correct |
| 65 |
Correct |
166 ms |
73088 KB |
Output is correct |
| 66 |
Correct |
166 ms |
70124 KB |
Output is correct |
| 67 |
Correct |
170 ms |
75884 KB |
Output is correct |
| 68 |
Correct |
170 ms |
75756 KB |
Output is correct |
| 69 |
Correct |
153 ms |
53740 KB |
Output is correct |
| 70 |
Correct |
96 ms |
30188 KB |
Output is correct |
| 71 |
Correct |
151 ms |
46828 KB |
Output is correct |
| 72 |
Correct |
153 ms |
52332 KB |
Output is correct |
| 73 |
Correct |
152 ms |
52716 KB |
Output is correct |
| 74 |
Correct |
155 ms |
54252 KB |
Output is correct |
| 75 |
Correct |
155 ms |
55916 KB |
Output is correct |
| 76 |
Correct |
160 ms |
57324 KB |
Output is correct |
| 77 |
Correct |
162 ms |
57836 KB |
Output is correct |
| 78 |
Correct |
159 ms |
57964 KB |
Output is correct |
| 79 |
Correct |
138 ms |
30492 KB |
Output is correct |
| 80 |
Correct |
140 ms |
31852 KB |
Output is correct |
| 81 |
Correct |
140 ms |
32108 KB |
Output is correct |
| 82 |
Correct |
168 ms |
60700 KB |
Output is correct |
| 83 |
Correct |
159 ms |
60652 KB |
Output is correct |
| 84 |
Correct |
148 ms |
25708 KB |
Output is correct |
| 85 |
Correct |
158 ms |
59500 KB |
Output is correct |
| 86 |
Correct |
174 ms |
74604 KB |
Output is correct |
| 87 |
Correct |
158 ms |
58732 KB |
Output is correct |
| 88 |
Correct |
158 ms |
59372 KB |
Output is correct |
| 89 |
Correct |
163 ms |
68076 KB |
Output is correct |
| 90 |
Correct |
105 ms |
44652 KB |
Output is correct |
| 91 |
Correct |
164 ms |
63340 KB |
Output is correct |
| 92 |
Correct |
162 ms |
65004 KB |
Output is correct |
| 93 |
Correct |
172 ms |
73708 KB |
Output is correct |
| 94 |
Correct |
166 ms |
66796 KB |
Output is correct |
| 95 |
Correct |
157 ms |
60652 KB |
Output is correct |
| 96 |
Correct |
159 ms |
60524 KB |
Output is correct |
| 97 |
Correct |
175 ms |
74476 KB |
Output is correct |
| 98 |
Correct |
163 ms |
60140 KB |
Output is correct |
| 99 |
Correct |
166 ms |
66412 KB |
Output is correct |
| 100 |
Correct |
172 ms |
73324 KB |
Output is correct |
