| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 171024 |
2019-12-27T05:33:56 Z |
super_j6 |
Bomb (IZhO17_bomb) |
C++14 |
|
1000 ms |
50064 KB |
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string.h>
using namespace std;
#define endl '\n'
#define pi pair<int, int>
const int maxn = 2502;
int n, m;
int a[maxn][maxn];
bool solve(int x, int y){
int b[maxn][maxn];
memset(b, 0, sizeof(b));
for(int i = x; i <= n; i++){
for(int j = y; j <= m; j++){
if(a[i][j] - a[i - x][j] - a[i][j - y] + a[i - x][j - y] == x * y){
b[i - x + 1][j - y + 1]++;
b[i - x + 1][j + 1]--;
b[i + 1][j - y + 1]--;
b[i + 1][j + 1]++;
}
}
}
int amt = a[n][m];
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
b[i][j] += b[i - 1][j] + b[i][j - 1] - b[i - 1][j - 1];
amt -= (b[i][j] > 0);
}
}
return amt == 0;
}
int solveh(int x){
int l = 0, r = n + 1;
while(r - l > 1){
int mid = (l + r) / 2;
if(solve(mid, x)) l = mid;
else r = mid;
}
return l;
}
int solvew(int x){
int l = 0, r = m + 1;
while(r - l > 1){
int mid = (l + r) / 2;
if(solve(x, mid)) l = mid;
else r = mid;
}
return l;
}
int main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
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' + a[i - 1][j] + a[i][j - 1] - a[i - 1][j - 1];
}
}
int h = solveh(1), w = solvew(1);
int ret = max(h * solvew(h), w * solveh(w));
cout << ret << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
51 ms |
24824 KB |
Output is correct |
| 2 |
Correct |
48 ms |
24952 KB |
Output is correct |
| 3 |
Correct |
94 ms |
34932 KB |
Output is correct |
| 4 |
Correct |
118 ms |
34936 KB |
Output is correct |
| 5 |
Correct |
89 ms |
24824 KB |
Output is correct |
| 6 |
Correct |
77 ms |
24824 KB |
Output is correct |
| 7 |
Correct |
49 ms |
24824 KB |
Output is correct |
| 8 |
Incorrect |
52 ms |
24964 KB |
Output isn't correct |
| 9 |
Incorrect |
56 ms |
24952 KB |
Output isn't correct |
| 10 |
Correct |
57 ms |
24824 KB |
Output is correct |
| 11 |
Incorrect |
57 ms |
25080 KB |
Output isn't correct |
| 12 |
Correct |
52 ms |
24952 KB |
Output is correct |
| 13 |
Correct |
54 ms |
24952 KB |
Output is correct |
| 14 |
Correct |
59 ms |
24952 KB |
Output is correct |
| 15 |
Incorrect |
58 ms |
24952 KB |
Output isn't correct |
| 16 |
Correct |
57 ms |
24952 KB |
Output is correct |
| 17 |
Correct |
79 ms |
25080 KB |
Output is correct |
| 18 |
Incorrect |
69 ms |
25208 KB |
Output isn't correct |
| 19 |
Incorrect |
76 ms |
25336 KB |
Output isn't correct |
| 20 |
Incorrect |
89 ms |
25296 KB |
Output isn't correct |
| 21 |
Incorrect |
64 ms |
25084 KB |
Output isn't correct |
| 22 |
Incorrect |
76 ms |
25208 KB |
Output isn't correct |
| 23 |
Incorrect |
88 ms |
25336 KB |
Output isn't correct |
| 24 |
Incorrect |
69 ms |
25208 KB |
Output isn't correct |
| 25 |
Incorrect |
101 ms |
25368 KB |
Output isn't correct |
| 26 |
Correct |
93 ms |
25336 KB |
Output is correct |
| 27 |
Correct |
121 ms |
26360 KB |
Output is correct |
| 28 |
Incorrect |
146 ms |
26624 KB |
Output isn't correct |
| 29 |
Incorrect |
139 ms |
27000 KB |
Output isn't correct |
| 30 |
Incorrect |
177 ms |
27640 KB |
Output isn't correct |
| 31 |
Incorrect |
145 ms |
27000 KB |
Output isn't correct |
| 32 |
Incorrect |
183 ms |
27256 KB |
Output isn't correct |
| 33 |
Incorrect |
184 ms |
27720 KB |
Output isn't correct |
| 34 |
Incorrect |
118 ms |
26744 KB |
Output isn't correct |
| 35 |
Incorrect |
156 ms |
27640 KB |
Output isn't correct |
| 36 |
Correct |
173 ms |
27640 KB |
Output is correct |
| 37 |
Correct |
49 ms |
24952 KB |
Output is correct |
| 38 |
Execution timed out |
1071 ms |
49784 KB |
Time limit exceeded |
| 39 |
Correct |
58 ms |
24892 KB |
Output is correct |
| 40 |
Correct |
325 ms |
31736 KB |
Output is correct |
| 41 |
Correct |
63 ms |
24952 KB |
Output is correct |
| 42 |
Incorrect |
93 ms |
25336 KB |
Output isn't correct |
| 43 |
Execution timed out |
1070 ms |
49960 KB |
Time limit exceeded |
| 44 |
Incorrect |
169 ms |
27768 KB |
Output isn't correct |
| 45 |
Execution timed out |
1083 ms |
49784 KB |
Time limit exceeded |
| 46 |
Execution timed out |
1067 ms |
49896 KB |
Time limit exceeded |
| 47 |
Execution timed out |
1082 ms |
49784 KB |
Time limit exceeded |
| 48 |
Execution timed out |
1083 ms |
49784 KB |
Time limit exceeded |
| 49 |
Execution timed out |
1078 ms |
49784 KB |
Time limit exceeded |
| 50 |
Execution timed out |
1089 ms |
49756 KB |
Time limit exceeded |
| 51 |
Execution timed out |
1081 ms |
50040 KB |
Time limit exceeded |
| 52 |
Execution timed out |
1073 ms |
50040 KB |
Time limit exceeded |
| 53 |
Execution timed out |
1056 ms |
49912 KB |
Time limit exceeded |
| 54 |
Execution timed out |
1067 ms |
50040 KB |
Time limit exceeded |
| 55 |
Execution timed out |
1087 ms |
50040 KB |
Time limit exceeded |
| 56 |
Execution timed out |
1082 ms |
49916 KB |
Time limit exceeded |
| 57 |
Execution timed out |
1081 ms |
49912 KB |
Time limit exceeded |
| 58 |
Execution timed out |
1083 ms |
50064 KB |
Time limit exceeded |
| 59 |
Execution timed out |
1084 ms |
49876 KB |
Time limit exceeded |
| 60 |
Execution timed out |
1081 ms |
49912 KB |
Time limit exceeded |
| 61 |
Execution timed out |
1083 ms |
49932 KB |
Time limit exceeded |
| 62 |
Execution timed out |
1072 ms |
49976 KB |
Time limit exceeded |
| 63 |
Execution timed out |
1085 ms |
49820 KB |
Time limit exceeded |
| 64 |
Execution timed out |
1073 ms |
49784 KB |
Time limit exceeded |
| 65 |
Execution timed out |
1064 ms |
49856 KB |
Time limit exceeded |
| 66 |
Execution timed out |
1071 ms |
49784 KB |
Time limit exceeded |
| 67 |
Execution timed out |
1086 ms |
49784 KB |
Time limit exceeded |
| 68 |
Execution timed out |
1090 ms |
49788 KB |
Time limit exceeded |
| 69 |
Execution timed out |
1051 ms |
49768 KB |
Time limit exceeded |
| 70 |
Execution timed out |
1090 ms |
44920 KB |
Time limit exceeded |
| 71 |
Execution timed out |
1075 ms |
49796 KB |
Time limit exceeded |
| 72 |
Execution timed out |
1087 ms |
49784 KB |
Time limit exceeded |
| 73 |
Execution timed out |
1081 ms |
49836 KB |
Time limit exceeded |
| 74 |
Execution timed out |
1086 ms |
49788 KB |
Time limit exceeded |
| 75 |
Execution timed out |
1085 ms |
49912 KB |
Time limit exceeded |
| 76 |
Execution timed out |
1084 ms |
50016 KB |
Time limit exceeded |
| 77 |
Execution timed out |
1083 ms |
49912 KB |
Time limit exceeded |
| 78 |
Execution timed out |
1075 ms |
49528 KB |
Time limit exceeded |
| 79 |
Execution timed out |
1094 ms |
49272 KB |
Time limit exceeded |
| 80 |
Execution timed out |
1092 ms |
49400 KB |
Time limit exceeded |
| 81 |
Execution timed out |
1088 ms |
49540 KB |
Time limit exceeded |
| 82 |
Execution timed out |
1088 ms |
49272 KB |
Time limit exceeded |
| 83 |
Execution timed out |
1083 ms |
49272 KB |
Time limit exceeded |
| 84 |
Execution timed out |
1082 ms |
49272 KB |
Time limit exceeded |
| 85 |
Execution timed out |
1087 ms |
49272 KB |
Time limit exceeded |
| 86 |
Execution timed out |
1087 ms |
49332 KB |
Time limit exceeded |
| 87 |
Execution timed out |
1081 ms |
49272 KB |
Time limit exceeded |
| 88 |
Execution timed out |
1069 ms |
49352 KB |
Time limit exceeded |
| 89 |
Execution timed out |
1089 ms |
49276 KB |
Time limit exceeded |
| 90 |
Execution timed out |
1077 ms |
44544 KB |
Time limit exceeded |
| 91 |
Execution timed out |
1078 ms |
49272 KB |
Time limit exceeded |
| 92 |
Execution timed out |
1081 ms |
49272 KB |
Time limit exceeded |
| 93 |
Execution timed out |
1082 ms |
49400 KB |
Time limit exceeded |
| 94 |
Execution timed out |
1076 ms |
49272 KB |
Time limit exceeded |
| 95 |
Execution timed out |
1082 ms |
49272 KB |
Time limit exceeded |
| 96 |
Execution timed out |
1090 ms |
49272 KB |
Time limit exceeded |
| 97 |
Execution timed out |
1093 ms |
49272 KB |
Time limit exceeded |
| 98 |
Execution timed out |
1087 ms |
49272 KB |
Time limit exceeded |
| 99 |
Execution timed out |
1084 ms |
49272 KB |
Time limit exceeded |
| 100 |
Execution timed out |
1058 ms |
49520 KB |
Time limit exceeded |
