oj.uz

Submission #171588

# Submission time Handle Problem Language Result Execution time Memory
171588 2019-12-29T10:20:07 Z mcdx9524 Bomb (IZhO17_bomb) C++14
27 / 100
 1000 ms 760 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N = 2500 + 7;

char a[N][N];

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    if (n == 1 || m == 1) {
        vector <int> aa;
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                char x;
                cin >> x;
                aa.push_back(x - '0');
            }
        }
        int cnt = 1;
        int res = 1e9;
        for (int i = 1; i < max(n, m); i++) {
            if (aa[i] != aa[i - 1]) {
                if (aa[i - 1] == 1) {
                    res = min(res, cnt);
                }
                cnt = 0;
            }
            cnt++;
        }
        if (aa[max(n, m) - 1] == 1) {
            res = min(res, cnt);
        }
        cout << res << '\n';
        return 0;
    }
    if (max(n, m) > 100) {
        assert(0);
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            cin >> a[i][j];
        }
    }
    int ans = 0;
    for (int x = 1; x <= n; x++) {
        for (int y = 1; y <= m; y++) {
            char b[n + 7][m + 7];
            for (int i = 1; i <= n; i++) {
                for (int j = 1; j <= m; j++) {
                    b[i][j] = a[i][j];
                }
            }
            for (int i = 1; i <= n; i++) {
                for (int j = 1; j <= m; j++) {
                    if (i + x - 1 > n || j + y - 1 > m) {
                        continue;
                    }
                    bool bad = false;
                    for (int r = i; r <= i + x - 1; r++) {
                        for (int c = j; c <= j + y - 1; c++) {
                            if (b[r][c] == '0') {
                                bad = true;
                            }
                            if (bad) break;
                        }
                        if (bad) break;
                    }
                    if (bad) continue;
                    for (int r = i; r <= i + x - 1; r++) {
                        for (int c = j; c <= j + y - 1; c++) {
                            b[r][c] = '2';
                        }
                    }
                }
            }
            bool good = true;
            for (int i = 1; i <= n; i++) {
                for (int j = 1; j <= m; j++) {
                    if (a[i][j] == '0') {
                        continue;
                    }
                    if (a[i][j] == '1' && b[i][j] == '2') {
                        continue;
                    }
                    good = false;
                    if (!good) break;
                }
                if (!good) break;
            }
            if (good) {
                ans = max(ans, x * y);
            }
        }
    }
    cout << ans << '\n';
    return 0;
}

Subtask #1
27.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 276 KB Output is correct
8 Correct 3 ms 380 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 4 ms 376 KB Output is correct
17 Correct 74 ms 504 KB Output is correct
18 Correct 54 ms 508 KB Output is correct
19 Correct 201 ms 616 KB Output is correct
20 Correct 222 ms 612 KB Output is correct
21 Correct 55 ms 504 KB Output is correct
22 Correct 126 ms 632 KB Output is correct
23 Correct 708 ms 632 KB Output is correct
24 Correct 160 ms 760 KB Output is correct
25 Execution timed out 1024 ms 760 KB Time limit exceeded
26 Execution timed out 1084 ms 632 KB Time limit exceeded
27 Runtime error 3 ms 604 KB Execution killed with signal 11 (could be triggered by violating memory limits)
28 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
29 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
30 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
31 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
32 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
33 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
34 Runtime error 3 ms 636 KB Execution killed with signal 11 (could be triggered by violating memory limits)
35 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
36 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
37 Correct 3 ms 376 KB Output is correct
38 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
39 Correct 3 ms 376 KB Output is correct
40 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
41 Correct 3 ms 376 KB Output is correct
42 Execution timed out 1070 ms 632 KB Time limit exceeded
43 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
44 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
45 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
46 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
47 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
48 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
49 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
50 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
51 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
52 Runtime error 3 ms 508 KB Execution killed with signal 11 (could be triggered by violating memory limits)
53 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
54 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
55 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
56 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
57 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
58 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
59 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
60 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
61 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
62 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
63 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
64 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
65 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
66 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
67 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
68 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
69 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
70 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
71 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
72 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
73 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
74 Runtime error 4 ms 604 KB Execution killed with signal 11 (could be triggered by violating memory limits)
75 Runtime error 4 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
76 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
77 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
78 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
79 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
80 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
81 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
82 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
83 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
84 Runtime error 3 ms 508 KB Execution killed with signal 11 (could be triggered by violating memory limits)
85 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
86 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
87 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
88 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
89 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
90 Runtime error 3 ms 604 KB Execution killed with signal 11 (could be triggered by violating memory limits)
91 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
92 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
93 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
94 Runtime error 3 ms 504 KB Execution killed with signal 11 (could be triggered by violating memory limits)
95 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
96 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
97 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
98 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
99 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)
100 Runtime error 3 ms 632 KB Execution killed with signal 11 (could be triggered by violating memory limits)