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Submission #1106812

# Submission time Handle Problem Language Result Execution time Memory
1106812 2024-10-31T05:25:21 Z stdfloat Bomb (IZhO17_bomb) C++17
15 / 100
 1000 ms 16016 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;

int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);

	int n, m;
	cin >> n >> m;

	vector<string> a(n);
	for (auto &i : a)
		cin >> i;

	int mn1 = n, mn2 = m;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			if (a[i][j] == '0') continue;

			int l = i, r = i;
			while (0 < l && a[l - 1][j] == '1') l--;
			while (r + 1 < n && a[r + 1][j] == '1') r++;
			mn1 = min(mn1, r - l + 1);

			l = r = j;
			while (0 < l && a[i][l - 1] == '1') l--;
			while (r + 1 < m && a[i][r + 1] == '1') r++;
			mn2 = min(mn2, r - l + 1);
		}
	}

	bool ok = true;
	vector<vector<bool>> vis(n, vector<bool>(m));
	for (int i = 0; i + mn1 <= n; i++) {
		for (int j = 0; j + mn2 <= m; j++) {
			if (a[i][j] == '0') continue;

			bool tr = true;
			for (int k = i; k < i + mn1 && tr; k++) {
				for (int l = j; l < j + mn2 && tr; l++)
					tr = (a[k][l] == '1');
			}

			ok = vis[i][j];
			if (!tr) continue;

			for (int k = i; k < i + mn1; k++) {
				for (int l = j; l < j + mn2; l++)
					vis[k][l] = true;
			}

			ok = vis[i][j];
		}
	}

	for (int i = 0; i < n && ok; i++) {
		for (int j = 0; j < m && ok; j++)
			ok = (a[i][j] == '0' || vis[i][j]);
	}

	assert(ok);

	cout << mn1 * mn2;
}

Subtask #1
15.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 504 KB Output is correct
3 Correct 4 ms 592 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Runtime error 1 ms 592 KB Execution killed with signal 6
9 Runtime error 1 ms 760 KB Execution killed with signal 6
10 Runtime error 1 ms 592 KB Execution killed with signal 6
11 Runtime error 1 ms 604 KB Execution killed with signal 6
12 Runtime error 1 ms 592 KB Execution killed with signal 6
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 504 KB Output is correct
15 Runtime error 1 ms 608 KB Execution killed with signal 6
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 352 KB Output is correct
18 Runtime error 1 ms 604 KB Execution killed with signal 6
19 Runtime error 1 ms 604 KB Execution killed with signal 6
20 Runtime error 2 ms 604 KB Execution killed with signal 6
21 Runtime error 1 ms 604 KB Execution killed with signal 6
22 Runtime error 1 ms 604 KB Execution killed with signal 6
23 Runtime error 1 ms 604 KB Execution killed with signal 6
24 Runtime error 1 ms 604 KB Execution killed with signal 6
25 Runtime error 2 ms 604 KB Execution killed with signal 6
26 Correct 3 ms 352 KB Output is correct
27 Correct 20 ms 564 KB Output is correct
28 Runtime error 2 ms 860 KB Execution killed with signal 6
29 Runtime error 537 ms 860 KB Execution killed with signal 6
30 Runtime error 15 ms 980 KB Execution killed with signal 6
31 Runtime error 7 ms 860 KB Execution killed with signal 6
32 Runtime error 5 ms 880 KB Execution killed with signal 6
33 Runtime error 18 ms 1116 KB Execution killed with signal 6
34 Runtime error 2 ms 1016 KB Execution killed with signal 6
35 Runtime error 3 ms 1188 KB Execution killed with signal 6
36 Correct 571 ms 676 KB Output is correct
37 Runtime error 1 ms 592 KB Execution killed with signal 6
38 Execution timed out 1094 ms 7028 KB Time limit exceeded
39 Runtime error 1 ms 592 KB Execution killed with signal 6
40 Execution timed out 1073 ms 1288 KB Time limit exceeded
41 Runtime error 2 ms 592 KB Execution killed with signal 6
42 Runtime error 2 ms 604 KB Execution killed with signal 6
43 Execution timed out 1069 ms 7016 KB Time limit exceeded
44 Runtime error 243 ms 1112 KB Execution killed with signal 6
45 Execution timed out 1075 ms 7004 KB Time limit exceeded
46 Correct 226 ms 8088 KB Output is correct
47 Execution timed out 1047 ms 7024 KB Time limit exceeded
48 Execution timed out 1073 ms 6992 KB Time limit exceeded
49 Execution timed out 1078 ms 6992 KB Time limit exceeded
50 Execution timed out 1060 ms 6992 KB Time limit exceeded
51 Execution timed out 1073 ms 6992 KB Time limit exceeded
52 Execution timed out 1056 ms 6992 KB Time limit exceeded
53 Execution timed out 1070 ms 6992 KB Time limit exceeded
54 Execution timed out 1064 ms 6992 KB Time limit exceeded
55 Execution timed out 1078 ms 6992 KB Time limit exceeded
56 Execution timed out 1079 ms 6992 KB Time limit exceeded
57 Execution timed out 1073 ms 6992 KB Time limit exceeded
58 Execution timed out 1063 ms 6992 KB Time limit exceeded
59 Execution timed out 1063 ms 6992 KB Time limit exceeded
60 Execution timed out 1037 ms 6992 KB Time limit exceeded
61 Execution timed out 1073 ms 7004 KB Time limit exceeded
62 Execution timed out 1055 ms 6992 KB Time limit exceeded
63 Execution timed out 1069 ms 6992 KB Time limit exceeded
64 Execution timed out 1062 ms 6992 KB Time limit exceeded
65 Execution timed out 1057 ms 6992 KB Time limit exceeded
66 Execution timed out 1065 ms 6992 KB Time limit exceeded
67 Execution timed out 1075 ms 6992 KB Time limit exceeded
68 Execution timed out 1048 ms 6992 KB Time limit exceeded
69 Execution timed out 1059 ms 6992 KB Time limit exceeded
70 Execution timed out 1051 ms 5240 KB Time limit exceeded
71 Execution timed out 1065 ms 6992 KB Time limit exceeded
72 Execution timed out 1071 ms 6992 KB Time limit exceeded
73 Execution timed out 1061 ms 6992 KB Time limit exceeded
74 Execution timed out 1043 ms 6992 KB Time limit exceeded
75 Execution timed out 1069 ms 6992 KB Time limit exceeded
76 Execution timed out 1061 ms 6992 KB Time limit exceeded
77 Execution timed out 1055 ms 6992 KB Time limit exceeded
78 Execution timed out 1055 ms 6992 KB Time limit exceeded
79 Runtime error 33 ms 15944 KB Execution killed with signal 6
80 Runtime error 33 ms 15968 KB Execution killed with signal 6
81 Runtime error 119 ms 15952 KB Execution killed with signal 6
82 Execution timed out 1075 ms 7004 KB Time limit exceeded
83 Execution timed out 1064 ms 7004 KB Time limit exceeded
84 Runtime error 30 ms 16016 KB Execution killed with signal 6
85 Execution timed out 1068 ms 6992 KB Time limit exceeded
86 Execution timed out 1059 ms 6992 KB Time limit exceeded
87 Execution timed out 1052 ms 6992 KB Time limit exceeded
88 Execution timed out 1060 ms 6992 KB Time limit exceeded
89 Execution timed out 1054 ms 6992 KB Time limit exceeded
90 Execution timed out 1068 ms 5252 KB Time limit exceeded
91 Execution timed out 1068 ms 6992 KB Time limit exceeded
92 Execution timed out 1050 ms 6992 KB Time limit exceeded
93 Execution timed out 1057 ms 6992 KB Time limit exceeded
94 Execution timed out 1077 ms 6992 KB Time limit exceeded
95 Execution timed out 1053 ms 6992 KB Time limit exceeded
96 Execution timed out 1058 ms 6992 KB Time limit exceeded
97 Execution timed out 1058 ms 6992 KB Time limit exceeded
98 Execution timed out 1064 ms 6992 KB Time limit exceeded
99 Execution timed out 1076 ms 6992 KB Time limit exceeded
100 Execution timed out 1068 ms 6992 KB Time limit exceeded