Submission #833808

# Submission time Handle Problem Language Result Execution time Memory
833808 2023-08-22T08:46:56 Z vjudge1 Bomb (IZhO17_bomb) C++17
19 / 100
1000 ms 32592 KB
#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int MX = 2505;

char inp[MX][MX];
int board[MX][MX];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n,m;
    cin >> n >> m;
    for(int i =1 ; i<= n ; i++)
    {
        for(int j =1 ; j <= m;j++)
        {
            cin >> inp[i][j];
            board[i][j] = inp[i][j] - '0';
            board[i][j] += board[i][j-1];
        }
    }
    for(int i =1 ; i<= n ; i++)
    {
        for(int j =1 ; j <= m;j++)
        {
            board[i][j] += board[i-1][j];
        }
    }
    // for(int i =1 ; i<= n ; i++)
    // {
    //     for(int j =1 ; j <= m;j++)
    //     {
    //         cout << board[i][j] <<" ";
    //     }
    //     cout << "\n";
    // }
    int ans = 0;
    for(int h = 1; h <= n; h++)
    {
        for(int w = 1; w <= m ; w++)
        {
            vector<vector<bool>> ok(MX, vector<bool>(MX,0));
            bool y = 1;
            for(int i =1 ; i<= n ; i++)
            {
                for(int j =1 ; j <= m;j++)
                {
                    if(inp[i][j] != '1'){
                        continue;
                    }
                    int sum = board[i+h-1][j+w-1];
                    sum -= board[i-1][j+w-1];
                    sum -= board[i+h-1][j-1];
                    sum += board[i-1][j-1];
                    if(sum != h*w)
                    {
                        if(ok[i][j]){
                            continue;
                        }
                        y = 0;
                        break;
                    }else{
                        for(int oi = i ; oi <= i+h-1; oi++){
                            for(int oj = j; oj <= j+w-1;oj++){
                                ok[oi][oj] = 1;
                            }
                        }
                    }
                }
                if(!y){
                    break;
                }
                
                
            }
            if(y){
                ans = max(ans, h*w);
            }
         }
    }
    cout << ans;
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 6 ms 1256 KB Output is correct
2 Correct 6 ms 1504 KB Output is correct
3 Correct 780 ms 17416 KB Output is correct
4 Correct 669 ms 17412 KB Output is correct
5 Correct 636 ms 1268 KB Output is correct
6 Correct 267 ms 1260 KB Output is correct
7 Correct 7 ms 1280 KB Output is correct
8 Correct 109 ms 1384 KB Output is correct
9 Correct 109 ms 1952 KB Output is correct
10 Correct 50 ms 1340 KB Output is correct
11 Correct 100 ms 1376 KB Output is correct
12 Correct 60 ms 1352 KB Output is correct
13 Correct 46 ms 1344 KB Output is correct
14 Correct 67 ms 1352 KB Output is correct
15 Correct 90 ms 1360 KB Output is correct
16 Correct 104 ms 1380 KB Output is correct
17 Execution timed out 1081 ms 2440 KB Time limit exceeded
18 Execution timed out 1049 ms 1864 KB Time limit exceeded
19 Execution timed out 1056 ms 2584 KB Time limit exceeded
20 Execution timed out 1037 ms 2564 KB Time limit exceeded
21 Execution timed out 1041 ms 1724 KB Time limit exceeded
22 Execution timed out 1032 ms 2548 KB Time limit exceeded
23 Execution timed out 1062 ms 2692 KB Time limit exceeded
24 Execution timed out 1054 ms 1828 KB Time limit exceeded
25 Execution timed out 1058 ms 2576 KB Time limit exceeded
26 Execution timed out 1062 ms 1976 KB Time limit exceeded
27 Execution timed out 1041 ms 3608 KB Time limit exceeded
28 Execution timed out 1058 ms 3652 KB Time limit exceeded
29 Execution timed out 1072 ms 4292 KB Time limit exceeded
30 Execution timed out 1026 ms 4784 KB Time limit exceeded
31 Execution timed out 1050 ms 4108 KB Time limit exceeded
32 Execution timed out 1061 ms 4576 KB Time limit exceeded
33 Execution timed out 1052 ms 5016 KB Time limit exceeded
34 Execution timed out 1042 ms 4584 KB Time limit exceeded
35 Execution timed out 1070 ms 5092 KB Time limit exceeded
36 Execution timed out 1061 ms 5036 KB Time limit exceeded
37 Correct 103 ms 1380 KB Output is correct
38 Execution timed out 1068 ms 31948 KB Time limit exceeded
39 Correct 103 ms 1376 KB Output is correct
40 Execution timed out 1094 ms 9908 KB Time limit exceeded
41 Correct 107 ms 1964 KB Output is correct
42 Execution timed out 1049 ms 1984 KB Time limit exceeded
43 Execution timed out 1050 ms 31908 KB Time limit exceeded
44 Execution timed out 1068 ms 5104 KB Time limit exceeded
45 Execution timed out 1039 ms 31900 KB Time limit exceeded
46 Execution timed out 1070 ms 32520 KB Time limit exceeded
47 Execution timed out 1051 ms 31868 KB Time limit exceeded
48 Execution timed out 1046 ms 31900 KB Time limit exceeded
49 Execution timed out 1068 ms 31980 KB Time limit exceeded
50 Execution timed out 1042 ms 31948 KB Time limit exceeded
51 Execution timed out 1046 ms 31908 KB Time limit exceeded
52 Execution timed out 1044 ms 31920 KB Time limit exceeded
53 Execution timed out 1044 ms 31868 KB Time limit exceeded
54 Execution timed out 1053 ms 31880 KB Time limit exceeded
55 Execution timed out 1041 ms 31900 KB Time limit exceeded
56 Execution timed out 1045 ms 31928 KB Time limit exceeded
57 Execution timed out 1050 ms 31960 KB Time limit exceeded
58 Execution timed out 1042 ms 31908 KB Time limit exceeded
59 Execution timed out 1068 ms 31868 KB Time limit exceeded
60 Execution timed out 1079 ms 31876 KB Time limit exceeded
61 Execution timed out 1079 ms 31876 KB Time limit exceeded
62 Execution timed out 1061 ms 31912 KB Time limit exceeded
63 Execution timed out 1055 ms 31880 KB Time limit exceeded
64 Execution timed out 1050 ms 32016 KB Time limit exceeded
65 Execution timed out 1054 ms 31920 KB Time limit exceeded
66 Execution timed out 1043 ms 31976 KB Time limit exceeded
67 Execution timed out 1057 ms 31996 KB Time limit exceeded
68 Execution timed out 1067 ms 31904 KB Time limit exceeded
69 Execution timed out 1052 ms 31948 KB Time limit exceeded
70 Execution timed out 1056 ms 25824 KB Time limit exceeded
71 Execution timed out 1057 ms 31908 KB Time limit exceeded
72 Execution timed out 1061 ms 31976 KB Time limit exceeded
73 Execution timed out 1063 ms 31900 KB Time limit exceeded
74 Execution timed out 1056 ms 31900 KB Time limit exceeded
75 Execution timed out 1053 ms 31964 KB Time limit exceeded
76 Execution timed out 1047 ms 31904 KB Time limit exceeded
77 Execution timed out 1048 ms 31904 KB Time limit exceeded
78 Execution timed out 1038 ms 31904 KB Time limit exceeded
79 Execution timed out 1056 ms 32592 KB Time limit exceeded
80 Execution timed out 1041 ms 32008 KB Time limit exceeded
81 Execution timed out 1034 ms 31872 KB Time limit exceeded
82 Execution timed out 1044 ms 31864 KB Time limit exceeded
83 Execution timed out 1063 ms 31900 KB Time limit exceeded
84 Execution timed out 1050 ms 31940 KB Time limit exceeded
85 Execution timed out 1085 ms 31872 KB Time limit exceeded
86 Execution timed out 1078 ms 31864 KB Time limit exceeded
87 Execution timed out 1088 ms 31868 KB Time limit exceeded
88 Execution timed out 1044 ms 31948 KB Time limit exceeded
89 Execution timed out 1049 ms 31864 KB Time limit exceeded
90 Execution timed out 1054 ms 25772 KB Time limit exceeded
91 Execution timed out 1063 ms 31900 KB Time limit exceeded
92 Execution timed out 1055 ms 31872 KB Time limit exceeded
93 Execution timed out 1051 ms 31952 KB Time limit exceeded
94 Execution timed out 1053 ms 31980 KB Time limit exceeded
95 Execution timed out 1069 ms 31968 KB Time limit exceeded
96 Execution timed out 1064 ms 31952 KB Time limit exceeded
97 Execution timed out 1053 ms 31872 KB Time limit exceeded
98 Execution timed out 1067 ms 31960 KB Time limit exceeded
99 Execution timed out 1080 ms 31892 KB Time limit exceeded
100 Execution timed out 1086 ms 31952 KB Time limit exceeded