oj.uz

Submission #38423

# Submission time Handle Problem Language Result Execution time Memory
38423 2018-01-04T05:37:33 Z Just_Solve_The_Problem Bomb (IZhO17_bomb) C++11
3 / 100
 1000 ms 14272 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = (int)2505;

char c[N][N];
char ex[N][N];

main () {
//        #define NAME "bomb"
//    freopen(NAME".in", "r", stdin);
//    freopen(NAME".out", "w", stdout);
    int n, m; scanf ("%d %d", &n, &m);
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            char ss; ss = getchar();
            if (ss == '\n')
                j--;
            else {
                c[i][j] = ss;
            }
        }
    }
    int ans = 0;
    for (int h = 1; h <= n; h++) {
        for (int w = 1; w <= m; w++) {
            for (int i = 1; i <= n; i++)
                for (int j = 1; j <= m; j++)
                    ex[i][j] = c[i][j];

            bool can = 1;
            for (int i = 1; i <= n - h + 1; i++) {
                for (int j = 1; j <= m - w + 1; j++) {
                    can = 1;
                    for (int curi = i, k = 0; k < h && curi <= n; k++, curi++) {
                        for (int curj = j, l = 0; l < w && curj <= m; l++, curj++) {
                            if (ex[curi][curj] == '0') {
                                can = 0;
                                l = w; k = h;
                            }
                        }
                    }
                    if (can) {
                        for (int curi = i, k = 0; k < h && curi <= n; k++, curi++) {
                            for (int curj = j, l = 0; l < w && curj <= m; l++, curj++) {
                                if (ex[curi][curj] == '1')
                                    ex[curi][curj] = '2';
                            }
                        }
                    }
                }
            }
            can = 1;
            for (int i = 1; i <= n; i++) {
                for (int j = 1; j <= m; j++) {
                    if (ex[i][j] == '1') can = 0;
                }
            }
            if (can) ans = max(ans, h * w);
            else break;
        }
    }
    cout << ans;
}

Compilation message

bomb.cpp:10:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^
bomb.cpp: In function 'int main()':
bomb.cpp:14:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int n, m; scanf ("%d %d", &n, &m);
                                      ^

Subtask #1
3.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 14272 KB Output is correct
2 Incorrect 0 ms 14272 KB Output isn't correct
3 Execution timed out 1000 ms 14272 KB Execution timed out
4 Execution timed out 1000 ms 14272 KB Execution timed out
5 Correct 0 ms 14272 KB Output is correct
6 Incorrect 3 ms 14272 KB Output isn't correct
7 Correct 0 ms 14272 KB Output is correct
8 Incorrect 0 ms 14272 KB Output isn't correct
9 Incorrect 0 ms 14272 KB Output isn't correct
10 Incorrect 0 ms 14272 KB Output isn't correct
11 Incorrect 0 ms 14272 KB Output isn't correct
12 Incorrect 0 ms 14272 KB Output isn't correct
13 Incorrect 0 ms 14272 KB Output isn't correct
14 Incorrect 0 ms 14272 KB Output isn't correct
15 Incorrect 0 ms 14272 KB Output isn't correct
16 Incorrect 0 ms 14272 KB Output isn't correct
17 Incorrect 0 ms 14272 KB Output isn't correct
18 Incorrect 0 ms 14272 KB Output isn't correct
19 Incorrect 6 ms 14272 KB Output isn't correct
20 Incorrect 6 ms 14272 KB Output isn't correct
21 Incorrect 0 ms 14272 KB Output isn't correct
22 Incorrect 3 ms 14272 KB Output isn't correct
23 Incorrect 13 ms 14272 KB Output isn't correct
24 Incorrect 3 ms 14272 KB Output isn't correct
25 Incorrect 13 ms 14272 KB Output isn't correct
26 Incorrect 516 ms 14272 KB Output isn't correct
27 Execution timed out 1000 ms 14272 KB Execution timed out
28 Incorrect 129 ms 14272 KB Output isn't correct
29 Execution timed out 1000 ms 14272 KB Execution timed out
30 Execution timed out 1000 ms 14272 KB Execution timed out
31 Incorrect 906 ms 14272 KB Output isn't correct
32 Incorrect 789 ms 14272 KB Output isn't correct
33 Execution timed out 1000 ms 14272 KB Execution timed out
34 Incorrect 126 ms 14272 KB Output isn't correct
35 Incorrect 603 ms 14272 KB Output isn't correct
36 Execution timed out 1000 ms 14272 KB Execution timed out
37 Incorrect 0 ms 14272 KB Output isn't correct
38 Execution timed out 1000 ms 14272 KB Execution timed out
39 Incorrect 0 ms 14272 KB Output isn't correct
40 Execution timed out 1000 ms 14272 KB Execution timed out
41 Incorrect 0 ms 14272 KB Output isn't correct
42 Incorrect 49 ms 14272 KB Output isn't correct
43 Execution timed out 1000 ms 14272 KB Execution timed out
44 Execution timed out 1000 ms 14272 KB Execution timed out
45 Execution timed out 1000 ms 14272 KB Execution timed out
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100 Execution timed out 1000 ms 14272 KB Execution timed out