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Submission #1106817

# Submission time Handle Problem Language Result Execution time Memory
1106817 2024-10-31T05:38:40 Z stdfloat Bomb (IZhO17_bomb) C++17
18 / 100
 1000 ms 16028 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;

			if (!i || a[i - 1][j] == '0') {
				int r = i;
				while (r + 1 < n && a[r + 1][j] == '1') r++;
				mn1 = min(mn1, r - i + 1);
			}
			if (!j || a[i][j - 1] == '0') {
				int r = j;
				while (r + 1 < m && a[i][r + 1] == '1') r++;
				mn2 = min(mn2, r - j + 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 = true;
		}
	}

	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
18.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 592 KB Output is correct
4 Correct 1 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 2 ms 592 KB Execution killed with signal 6
9 Runtime error 2 ms 592 KB Execution killed with signal 6
10 Runtime error 1 ms 596 KB Execution killed with signal 6
11 Runtime error 1 ms 592 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 336 KB Output is correct
15 Runtime error 1 ms 592 KB Execution killed with signal 6
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Runtime error 1 ms 592 KB Execution killed with signal 6
19 Runtime error 1 ms 592 KB Execution killed with signal 6
20 Runtime error 2 ms 592 KB Execution killed with signal 6
21 Runtime error 1 ms 592 KB Execution killed with signal 6
22 Runtime error 1 ms 592 KB Execution killed with signal 6
23 Runtime error 1 ms 592 KB Execution killed with signal 6
24 Runtime error 2 ms 592 KB Execution killed with signal 6
25 Runtime error 1 ms 592 KB Execution killed with signal 6
26 Correct 2 ms 336 KB Output is correct
27 Correct 3 ms 348 KB Output is correct
28 Runtime error 2 ms 864 KB Execution killed with signal 6
29 Runtime error 633 ms 896 KB Execution killed with signal 6
30 Runtime error 6 ms 1116 KB Execution killed with signal 6
31 Runtime error 5 ms 860 KB Execution killed with signal 6
32 Runtime error 4 ms 864 KB Execution killed with signal 6
33 Runtime error 17 ms 1008 KB Execution killed with signal 6
34 Runtime error 3 ms 856 KB Execution killed with signal 6
35 Runtime error 3 ms 1104 KB Execution killed with signal 6
36 Correct 525 ms 596 KB Output is correct
37 Runtime error 1 ms 596 KB Execution killed with signal 6
38 Correct 48 ms 7952 KB Output is correct
39 Runtime error 1 ms 592 KB Execution killed with signal 6
40 Execution timed out 1077 ms 1388 KB Time limit exceeded
41 Runtime error 2 ms 608 KB Execution killed with signal 6
42 Runtime error 2 ms 528 KB Execution killed with signal 6
43 Execution timed out 1059 ms 7972 KB Time limit exceeded
44 Runtime error 375 ms 1108 KB Execution killed with signal 6
45 Execution timed out 1082 ms 8016 KB Time limit exceeded
46 Correct 122 ms 8008 KB Output is correct
47 Execution timed out 1077 ms 8016 KB Time limit exceeded
48 Execution timed out 1058 ms 8016 KB Time limit exceeded
49 Correct 405 ms 8084 KB Output is correct
50 Execution timed out 1061 ms 8016 KB Time limit exceeded
51 Execution timed out 1074 ms 7948 KB Time limit exceeded
52 Execution timed out 1059 ms 8008 KB Time limit exceeded
53 Execution timed out 1068 ms 8016 KB Time limit exceeded
54 Execution timed out 1072 ms 8016 KB Time limit exceeded
55 Execution timed out 1061 ms 7868 KB Time limit exceeded
56 Correct 57 ms 7944 KB Output is correct
57 Execution timed out 1046 ms 8016 KB Time limit exceeded
58 Execution timed out 1059 ms 8008 KB Time limit exceeded
59 Execution timed out 1055 ms 7952 KB Time limit exceeded
60 Execution timed out 1056 ms 7944 KB Time limit exceeded
61 Execution timed out 1064 ms 8016 KB Time limit exceeded
62 Execution timed out 1072 ms 8016 KB Time limit exceeded
63 Execution timed out 1053 ms 7940 KB Time limit exceeded
64 Execution timed out 1050 ms 8016 KB Time limit exceeded
65 Execution timed out 1061 ms 8016 KB Time limit exceeded
66 Execution timed out 1054 ms 8016 KB Time limit exceeded
67 Execution timed out 1076 ms 7948 KB Time limit exceeded
68 Execution timed out 1060 ms 8016 KB Time limit exceeded
69 Execution timed out 1059 ms 8016 KB Time limit exceeded
70 Execution timed out 1062 ms 5200 KB Time limit exceeded
71 Runtime error 770 ms 16024 KB Execution killed with signal 6
72 Execution timed out 1062 ms 8016 KB Time limit exceeded
73 Execution timed out 1053 ms 8016 KB Time limit exceeded
74 Runtime error 886 ms 16028 KB Execution killed with signal 6
75 Execution timed out 1069 ms 8016 KB Time limit exceeded
76 Execution timed out 1046 ms 8016 KB Time limit exceeded
77 Execution timed out 1060 ms 7948 KB Time limit exceeded
78 Execution timed out 1072 ms 8016 KB Time limit exceeded
79 Runtime error 30 ms 15952 KB Execution killed with signal 6
80 Runtime error 30 ms 15984 KB Execution killed with signal 6
81 Runtime error 84 ms 15944 KB Execution killed with signal 6
82 Execution timed out 1059 ms 8016 KB Time limit exceeded
83 Execution timed out 1067 ms 8016 KB Time limit exceeded
84 Runtime error 29 ms 15944 KB Execution killed with signal 6
85 Execution timed out 1066 ms 8016 KB Time limit exceeded
86 Execution timed out 1057 ms 8016 KB Time limit exceeded
87 Execution timed out 1051 ms 8016 KB Time limit exceeded
88 Execution timed out 1046 ms 8016 KB Time limit exceeded
89 Execution timed out 1067 ms 8008 KB Time limit exceeded
90 Execution timed out 1062 ms 5200 KB Time limit exceeded
91 Execution timed out 1048 ms 8016 KB Time limit exceeded
92 Execution timed out 1048 ms 8016 KB Time limit exceeded
93 Execution timed out 1051 ms 8008 KB Time limit exceeded
94 Execution timed out 1036 ms 8016 KB Time limit exceeded
95 Execution timed out 1069 ms 8016 KB Time limit exceeded
96 Execution timed out 1049 ms 8016 KB Time limit exceeded
97 Execution timed out 1057 ms 8008 KB Time limit exceeded
98 Execution timed out 1071 ms 8016 KB Time limit exceeded
99 Execution timed out 1047 ms 8016 KB Time limit exceeded
100 Execution timed out 1065 ms 7980 KB Time limit exceeded