# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
833860 |
2023-08-22T09:09:20 Z |
vjudge1 |
Bomb (IZhO17_bomb) |
C++14 |
|
1000 ms |
3924 KB |
#include<bits/stdc++.h>
using namespace std;
const int MAX = 450 + 5;
int n,m,x[MAX][MAX],pf[MAX][MAX],atk[MAX][MAX];
char c;
int get(int x1,int y1,int x2,int y2){
x1--, y1--;
return pf[x2][y2] - pf[x2][y1] - pf[x1][y2] + pf[x1][y1];
}
bool bisa(int h,int w){
memset(atk, 0, sizeof atk);
for(int i = h; i<=n; i++){
for(int j = w; j<=m; j++){
if(get(i-h+1, j-w+1, i, j) == h*w){
atk[i-h+1][j-w+1]++;
atk[i-h+1][j+1]--;
atk[i+1][j-w+1]--;
atk[i+1][j+1]++;
}
}
}
for(int i = 1; i<=n; i++){
for(int j = 1; j<=m; j++){
atk[i][j] = atk[i-1][j] + atk[i][j-1] - atk[i-1][j-1] + atk[i][j];
if(atk[i][j]){
if(!x[i][j])return false;
}
else {
if(x[i][j])return false;
}
}
}
return true;
}
int main(){
ios_base::sync_with_stdio(false);
cin>>n>>m;
for(int i = 1; i<=n; i++){
for(int j = 1; j<=m; j++){
cin>>c;
x[i][j] = (c=='1');
pf[i][j] = pf[i-1][j] + pf[i][j-1] - pf[i-1][j-1] + x[i][j];
}
}
// bisa(3, 1);
//
// for(int i = 1; i<=n; i++){
// for(int j = 1; j<=m; j++){
// cout<<atk[i][j]<<" ";
// }
// cout<<endl;
// }
int ans = 0;
for(int h = 1; h<=n; h++){
for(int w = 1; w<=m; w++){
if(bisa(h,w))ans = max(ans, w*h);
}
}
cout<<ans<<endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1108 KB |
Output is correct |
2 |
Correct |
1 ms |
1108 KB |
Output is correct |
3 |
Incorrect |
2 ms |
2644 KB |
Output isn't correct |
4 |
Incorrect |
1 ms |
2644 KB |
Output isn't correct |
5 |
Correct |
32 ms |
1172 KB |
Output is correct |
6 |
Correct |
14 ms |
1108 KB |
Output is correct |
7 |
Correct |
1 ms |
1108 KB |
Output is correct |
8 |
Correct |
6 ms |
1108 KB |
Output is correct |
9 |
Correct |
6 ms |
1108 KB |
Output is correct |
10 |
Correct |
3 ms |
1108 KB |
Output is correct |
11 |
Correct |
6 ms |
1108 KB |
Output is correct |
12 |
Correct |
4 ms |
1108 KB |
Output is correct |
13 |
Correct |
3 ms |
1108 KB |
Output is correct |
14 |
Correct |
4 ms |
1108 KB |
Output is correct |
15 |
Correct |
5 ms |
1108 KB |
Output is correct |
16 |
Correct |
6 ms |
1108 KB |
Output is correct |
17 |
Correct |
59 ms |
1368 KB |
Output is correct |
18 |
Correct |
58 ms |
1488 KB |
Output is correct |
19 |
Correct |
104 ms |
1364 KB |
Output is correct |
20 |
Correct |
123 ms |
1456 KB |
Output is correct |
21 |
Correct |
62 ms |
1236 KB |
Output is correct |
22 |
Correct |
96 ms |
1364 KB |
Output is correct |
23 |
Correct |
153 ms |
1492 KB |
Output is correct |
24 |
Correct |
83 ms |
1424 KB |
Output is correct |
25 |
Correct |
161 ms |
1492 KB |
Output is correct |
26 |
Correct |
160 ms |
1496 KB |
Output is correct |
27 |
Execution timed out |
1042 ms |
2260 KB |
Time limit exceeded |
28 |
Execution timed out |
1066 ms |
2260 KB |
Time limit exceeded |
29 |
Execution timed out |
1059 ms |
2644 KB |
Time limit exceeded |
30 |
Execution timed out |
1063 ms |
2772 KB |
Time limit exceeded |
31 |
Execution timed out |
1070 ms |
2388 KB |
Time limit exceeded |
32 |
Execution timed out |
1049 ms |
2664 KB |
Time limit exceeded |
33 |
Execution timed out |
1058 ms |
2912 KB |
Time limit exceeded |
34 |
Execution timed out |
1039 ms |
2388 KB |
Time limit exceeded |
35 |
Execution timed out |
1046 ms |
2900 KB |
Time limit exceeded |
36 |
Execution timed out |
1047 ms |
2900 KB |
Time limit exceeded |
37 |
Correct |
6 ms |
1108 KB |
Output is correct |
38 |
Incorrect |
17 ms |
3412 KB |
Output isn't correct |
39 |
Correct |
6 ms |
1108 KB |
Output is correct |
40 |
Incorrect |
6 ms |
3284 KB |
Output isn't correct |
41 |
Correct |
6 ms |
1108 KB |
Output is correct |
42 |
Correct |
213 ms |
1496 KB |
Output is correct |
43 |
Incorrect |
16 ms |
2732 KB |
Output isn't correct |
44 |
Execution timed out |
1047 ms |
2884 KB |
Time limit exceeded |
45 |
Incorrect |
20 ms |
3532 KB |
Output isn't correct |
46 |
Incorrect |
17 ms |
2724 KB |
Output isn't correct |
47 |
Incorrect |
17 ms |
3548 KB |
Output isn't correct |
48 |
Incorrect |
16 ms |
3540 KB |
Output isn't correct |
49 |
Incorrect |
20 ms |
3532 KB |
Output isn't correct |
50 |
Incorrect |
18 ms |
3612 KB |
Output isn't correct |
51 |
Incorrect |
17 ms |
3664 KB |
Output isn't correct |
52 |
Incorrect |
19 ms |
3656 KB |
Output isn't correct |
53 |
Incorrect |
19 ms |
3644 KB |
Output isn't correct |
54 |
Incorrect |
17 ms |
3556 KB |
Output isn't correct |
55 |
Incorrect |
17 ms |
3660 KB |
Output isn't correct |
56 |
Incorrect |
16 ms |
3704 KB |
Output isn't correct |
57 |
Incorrect |
19 ms |
3776 KB |
Output isn't correct |
58 |
Incorrect |
17 ms |
3668 KB |
Output isn't correct |
59 |
Incorrect |
17 ms |
3868 KB |
Output isn't correct |
60 |
Incorrect |
18 ms |
3796 KB |
Output isn't correct |
61 |
Incorrect |
16 ms |
3796 KB |
Output isn't correct |
62 |
Incorrect |
21 ms |
3660 KB |
Output isn't correct |
63 |
Incorrect |
16 ms |
3840 KB |
Output isn't correct |
64 |
Incorrect |
19 ms |
3796 KB |
Output isn't correct |
65 |
Incorrect |
16 ms |
3776 KB |
Output isn't correct |
66 |
Incorrect |
18 ms |
3524 KB |
Output isn't correct |
67 |
Incorrect |
17 ms |
3644 KB |
Output isn't correct |
68 |
Incorrect |
21 ms |
3888 KB |
Output isn't correct |
69 |
Incorrect |
20 ms |
3880 KB |
Output isn't correct |
70 |
Incorrect |
16 ms |
3088 KB |
Output isn't correct |
71 |
Incorrect |
17 ms |
2864 KB |
Output isn't correct |
72 |
Incorrect |
16 ms |
3140 KB |
Output isn't correct |
73 |
Incorrect |
16 ms |
3096 KB |
Output isn't correct |
74 |
Incorrect |
15 ms |
3168 KB |
Output isn't correct |
75 |
Incorrect |
19 ms |
3144 KB |
Output isn't correct |
76 |
Incorrect |
16 ms |
3064 KB |
Output isn't correct |
77 |
Incorrect |
16 ms |
3080 KB |
Output isn't correct |
78 |
Incorrect |
15 ms |
3148 KB |
Output isn't correct |
79 |
Incorrect |
16 ms |
3124 KB |
Output isn't correct |
80 |
Incorrect |
20 ms |
3156 KB |
Output isn't correct |
81 |
Incorrect |
16 ms |
3120 KB |
Output isn't correct |
82 |
Incorrect |
15 ms |
3084 KB |
Output isn't correct |
83 |
Incorrect |
15 ms |
3100 KB |
Output isn't correct |
84 |
Incorrect |
16 ms |
3116 KB |
Output isn't correct |
85 |
Incorrect |
15 ms |
3144 KB |
Output isn't correct |
86 |
Incorrect |
17 ms |
3924 KB |
Output isn't correct |
87 |
Incorrect |
18 ms |
3120 KB |
Output isn't correct |
88 |
Incorrect |
15 ms |
3156 KB |
Output isn't correct |
89 |
Incorrect |
21 ms |
3148 KB |
Output isn't correct |
90 |
Incorrect |
15 ms |
3028 KB |
Output isn't correct |
91 |
Incorrect |
16 ms |
3116 KB |
Output isn't correct |
92 |
Incorrect |
16 ms |
3156 KB |
Output isn't correct |
93 |
Incorrect |
16 ms |
3924 KB |
Output isn't correct |
94 |
Incorrect |
16 ms |
3156 KB |
Output isn't correct |
95 |
Incorrect |
16 ms |
3144 KB |
Output isn't correct |
96 |
Incorrect |
17 ms |
3156 KB |
Output isn't correct |
97 |
Incorrect |
16 ms |
3924 KB |
Output isn't correct |
98 |
Incorrect |
16 ms |
3172 KB |
Output isn't correct |
99 |
Incorrect |
20 ms |
3172 KB |
Output isn't correct |
100 |
Incorrect |
16 ms |
3924 KB |
Output isn't correct |