Submission #855382

# Submission time Handle Problem Language Result Execution time Memory
855382 2023-10-01T07:25:28 Z Alfraganus Bomb (IZhO17_bomb) C++17
24 / 100
120 ms 55980 KB
#include <bits/stdc++.h>
using namespace std;

#define endl '\n'
#define ll long long
#define fs first
#define ss second
#define all(a) a.begin(), a.end()
#define print(a)          \
    for (auto x : a)      \
        cout << x << ' '; \
    cout << endl;

#define printmp(a)   \
    for (auto x : a) \
        cout << x.fs << ' ' << x.ss << endl;

void solve(){
    int n, m;
    cin >> n >> m;
    vector<vector<char>> a(n, vector<char> (m));
    for(int i = 0; i < n; i ++)
        for(int j = 0; j < m; j ++)
            cin >> a[i][j];
    vector<vector<int>> dp_right(n, vector<int>(m)), dp_down(n, vector<int>(m));
    for(int i = n - 1; i >= 0; i --){
        for(int j = m - 1; j >= 0; j --){
            if(a[i][j] == '1'){
                dp_right[i][j] = (j == m - 1 ? 0 : dp_right[i][j + 1]) + 1;
                dp_down[i][j] = (i == n - 1 ? 0 : dp_down[i + 1][j]) + 1;
            }
            else{
                dp_right[i][j] = 0;
                dp_down[i][j] = 0;
            }
        }
    }
    int x = m, y = n;
    for(int i = 0; i < n; i ++){
        for(int j = 0; j < m; j ++){
            if(a[i][j] == '1'){
                if(j == 0 or a[i][j - 1] == '0')
                    x = min(x, dp_right[i][j]);
                if(i == 0 or a[i - 1][j] == '0')
                    y = min(y, dp_down[i][j]);
            }
        }
    }
    cout << x * y << endl;
}

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    // freopen("bomb.in", "r", stdin);
    // freopen("bomb.out", "w", stdout);
    int t = 1;
    // cin >> t;
    while(t --){
        solve();
        cout << endl;
    }
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 860 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Incorrect 0 ms 348 KB Output isn't correct
9 Incorrect 1 ms 348 KB Output isn't correct
10 Incorrect 0 ms 348 KB Output isn't correct
11 Incorrect 0 ms 348 KB Output isn't correct
12 Incorrect 0 ms 348 KB Output isn't correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Incorrect 0 ms 348 KB Output isn't correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Incorrect 0 ms 348 KB Output isn't correct
19 Incorrect 0 ms 348 KB Output isn't correct
20 Incorrect 0 ms 348 KB Output isn't correct
21 Incorrect 0 ms 348 KB Output isn't correct
22 Incorrect 1 ms 348 KB Output isn't correct
23 Incorrect 0 ms 344 KB Output isn't correct
24 Incorrect 0 ms 348 KB Output isn't correct
25 Incorrect 0 ms 348 KB Output isn't correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 2 ms 1116 KB Output is correct
28 Incorrect 2 ms 1372 KB Output isn't correct
29 Incorrect 2 ms 1372 KB Output isn't correct
30 Incorrect 3 ms 2140 KB Output isn't correct
31 Incorrect 2 ms 1628 KB Output isn't correct
32 Incorrect 2 ms 1628 KB Output isn't correct
33 Incorrect 3 ms 2140 KB Output isn't correct
34 Incorrect 1 ms 1116 KB Output isn't correct
35 Incorrect 3 ms 2140 KB Output isn't correct
36 Correct 3 ms 2140 KB Output is correct
37 Incorrect 0 ms 348 KB Output isn't correct
38 Correct 93 ms 55584 KB Output is correct
39 Incorrect 0 ms 348 KB Output isn't correct
40 Incorrect 12 ms 7320 KB Output isn't correct
41 Incorrect 0 ms 344 KB Output isn't correct
42 Incorrect 0 ms 348 KB Output isn't correct
43 Correct 94 ms 55528 KB Output is correct
44 Incorrect 3 ms 2140 KB Output isn't correct
45 Incorrect 92 ms 55636 KB Output isn't correct
46 Correct 86 ms 55548 KB Output is correct
47 Incorrect 88 ms 55636 KB Output isn't correct
48 Incorrect 85 ms 55632 KB Output isn't correct
49 Correct 93 ms 55664 KB Output is correct
50 Incorrect 90 ms 55532 KB Output isn't correct
51 Incorrect 88 ms 55552 KB Output isn't correct
52 Incorrect 92 ms 55636 KB Output isn't correct
53 Incorrect 88 ms 55632 KB Output isn't correct
54 Incorrect 83 ms 55636 KB Output isn't correct
55 Incorrect 82 ms 55768 KB Output isn't correct
56 Correct 91 ms 55636 KB Output is correct
57 Incorrect 81 ms 55544 KB Output isn't correct
58 Incorrect 82 ms 55536 KB Output isn't correct
59 Incorrect 81 ms 55536 KB Output isn't correct
60 Correct 87 ms 55756 KB Output is correct
61 Correct 96 ms 55892 KB Output is correct
62 Correct 115 ms 55632 KB Output is correct
63 Correct 93 ms 55772 KB Output is correct
64 Correct 81 ms 55636 KB Output is correct
65 Incorrect 84 ms 55636 KB Output isn't correct
66 Incorrect 89 ms 55532 KB Output isn't correct
67 Incorrect 88 ms 55632 KB Output isn't correct
68 Incorrect 87 ms 55980 KB Output isn't correct
69 Incorrect 82 ms 55552 KB Output isn't correct
70 Incorrect 51 ms 35664 KB Output isn't correct
71 Incorrect 79 ms 55636 KB Output isn't correct
72 Incorrect 81 ms 55632 KB Output isn't correct
73 Incorrect 81 ms 55632 KB Output isn't correct
74 Incorrect 80 ms 55556 KB Output isn't correct
75 Incorrect 82 ms 55632 KB Output isn't correct
76 Incorrect 82 ms 55544 KB Output isn't correct
77 Incorrect 85 ms 55528 KB Output isn't correct
78 Incorrect 81 ms 55632 KB Output isn't correct
79 Incorrect 77 ms 55628 KB Output isn't correct
80 Incorrect 76 ms 55636 KB Output isn't correct
81 Incorrect 77 ms 55632 KB Output isn't correct
82 Incorrect 88 ms 55544 KB Output isn't correct
83 Incorrect 82 ms 55684 KB Output isn't correct
84 Incorrect 89 ms 55532 KB Output isn't correct
85 Incorrect 83 ms 55572 KB Output isn't correct
86 Incorrect 91 ms 55636 KB Output isn't correct
87 Incorrect 112 ms 55632 KB Output isn't correct
88 Incorrect 81 ms 55884 KB Output isn't correct
89 Incorrect 87 ms 55532 KB Output isn't correct
90 Incorrect 51 ms 35672 KB Output isn't correct
91 Incorrect 120 ms 55536 KB Output isn't correct
92 Incorrect 119 ms 55780 KB Output isn't correct
93 Incorrect 91 ms 55768 KB Output isn't correct
94 Incorrect 84 ms 55804 KB Output isn't correct
95 Incorrect 87 ms 55772 KB Output isn't correct
96 Incorrect 87 ms 55768 KB Output isn't correct
97 Incorrect 90 ms 55632 KB Output isn't correct
98 Incorrect 88 ms 55548 KB Output isn't correct
99 Incorrect 84 ms 55636 KB Output isn't correct
100 Incorrect 91 ms 55548 KB Output isn't correct