oj.uz

Submission #168972

# Submission time Handle Problem Language Result Execution time Memory
168972 2019-12-17T10:33:44 Z abil Bomb (IZhO17_bomb) C++14
13 / 100
 1000 ms 106368 KB 
#include <bits/stdc++.h>

#define fr first
#define sc second
#define pb push_back
#define mk make_pair
#define all(s) s.begin(),s.end()
//#define int long long

using namespace std;

const int N = (2500 + 12);
const int mod = (1e9 + 7);
const int INF = (0x3f3f3f3f);

char a[N][N];
int up[N][N], down[N][N], leftt[N][N], rightt[N][N];

int n, m;
bool solve(int x,int y){
	for(int i = 1;i <= n; i++){
		for(int j = 1;j <= m; j++){
			if(a[i][j] == '1'){
				if(up[i][j] + down[i][j] - 1 < x || leftt[i][j] + rightt[i][j] - 1 < y){
					return false;
				}
			}
		}
	}
	return true;
}

main()
{
	cin >> n >> m;
	for(int i = 1;i <= n; i++){
		for(int j = 1;j <= m; j++){
			cin >> a[i][j];
		}
	}
	for(int i = 1;i <= n; i++){
		int cnt = 0;
		for(int j = 1;j <= m; j++){
			cnt = (a[i][j] == '0' ? 0 : cnt + 1);
			leftt[i][j] = cnt;
		}
	}
	for(int i = 1;i <= n; i++){
		int cnt = 0;
		for(int j = m;j >= 1; j--){
			cnt = (a[i][j] == '0' ? 0 : cnt + 1);
			rightt[i][j] = cnt;
		}
	}
	for(int i = 1;i <= m; i++){
		int cnt = 0;
		for(int j = 1;j <= n; j++){
			cnt = (a[j][i] == '0' ? 0 : cnt + 1);
			up[j][i] = cnt;
		}
	}
	for(int i = 1;i <= m; i++){
		int cnt = 0;
		for(int j = n;j >= 1; j--){
			cnt = (a[j][i] == '0' ? 0 : cnt + 1);
			down[j][i] = cnt;
		}
	}
	int ans = 1;
	for(int i = 1;i <= n; i++){
		for(int j = 1;j <= m; j++){
			if(solve(i,j)){
				ans = max(ans, i * j);
			}
		}
	}
	cout << ans;
}

Compilation message

bomb.cpp:33:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^

Subtask #1
13.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 760 KB Output is correct
3 Correct 86 ms 46712 KB Output is correct
4 Correct 53 ms 46712 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 504 KB Output is correct
8 Incorrect 2 ms 764 KB Output isn't correct
9 Incorrect 2 ms 760 KB Output isn't correct
10 Incorrect 2 ms 632 KB Output isn't correct
11 Incorrect 2 ms 760 KB Output isn't correct
12 Incorrect 2 ms 632 KB Output isn't correct
13 Correct 2 ms 632 KB Output is correct
14 Correct 2 ms 632 KB Output is correct
15 Incorrect 2 ms 760 KB Output isn't correct
16 Correct 2 ms 764 KB Output is correct
17 Correct 4 ms 1656 KB Output is correct
18 Incorrect 3 ms 1656 KB Output isn't correct
19 Incorrect 6 ms 2168 KB Output isn't correct
20 Incorrect 7 ms 2168 KB Output isn't correct
21 Incorrect 3 ms 1400 KB Output isn't correct
22 Incorrect 4 ms 1784 KB Output isn't correct
23 Incorrect 13 ms 2296 KB Output isn't correct
24 Incorrect 6 ms 1912 KB Output isn't correct
25 Incorrect 20 ms 2424 KB Output isn't correct
26 Correct 9 ms 2296 KB Output is correct
27 Correct 17 ms 7032 KB Output is correct
28 Incorrect 24 ms 7544 KB Output isn't correct
29 Execution timed out 1072 ms 9720 KB Time limit exceeded
30 Execution timed out 1080 ms 11384 KB Time limit exceeded
31 Execution timed out 1077 ms 9080 KB Time limit exceeded
32 Execution timed out 1076 ms 10364 KB Time limit exceeded
33 Execution timed out 1080 ms 12024 KB Time limit exceeded
34 Incorrect 24 ms 8312 KB Output isn't correct
35 Incorrect 502 ms 12024 KB Output isn't correct
36 Execution timed out 1085 ms 12024 KB Time limit exceeded
37 Incorrect 2 ms 760 KB Output isn't correct
38 Execution timed out 1085 ms 106048 KB Time limit exceeded
39 Incorrect 2 ms 760 KB Output isn't correct
40 Execution timed out 1079 ms 29304 KB Time limit exceeded
41 Incorrect 2 ms 760 KB Output isn't correct
42 Incorrect 50 ms 2552 KB Output isn't correct
43 Execution timed out 1093 ms 106296 KB Time limit exceeded
44 Execution timed out 1056 ms 12024 KB Time limit exceeded
45 Execution timed out 1095 ms 106232 KB Time limit exceeded
46 Execution timed out 1079 ms 106200 KB Time limit exceeded
47 Execution timed out 1081 ms 106244 KB Time limit exceeded
48 Execution timed out 1088 ms 106172 KB Time limit exceeded
49 Execution timed out 1085 ms 106148 KB Time limit exceeded
50 Execution timed out 1084 ms 106108 KB Time limit exceeded
51 Execution timed out 1087 ms 106112 KB Time limit exceeded
52 Execution timed out 1086 ms 106196 KB Time limit exceeded
53 Execution timed out 1087 ms 106260 KB Time limit exceeded
54 Execution timed out 1087 ms 106164 KB Time limit exceeded
55 Execution timed out 1094 ms 106136 KB Time limit exceeded
56 Execution timed out 1089 ms 106104 KB Time limit exceeded
57 Execution timed out 1074 ms 106244 KB Time limit exceeded
58 Execution timed out 1088 ms 106136 KB Time limit exceeded
59 Execution timed out 1096 ms 106036 KB Time limit exceeded
60 Execution timed out 1089 ms 106116 KB Time limit exceeded
61 Execution timed out 1092 ms 106104 KB Time limit exceeded
62 Execution timed out 1087 ms 106096 KB Time limit exceeded
63 Execution timed out 1088 ms 106080 KB Time limit exceeded
64 Execution timed out 1088 ms 106104 KB Time limit exceeded
65 Execution timed out 1087 ms 106224 KB Time limit exceeded
66 Execution timed out 1093 ms 106108 KB Time limit exceeded
67 Execution timed out 1096 ms 106104 KB Time limit exceeded
68 Execution timed out 1088 ms 106200 KB Time limit exceeded
69 Execution timed out 1088 ms 106276 KB Time limit exceeded
70 Execution timed out 1088 ms 85368 KB Time limit exceeded
71 Execution timed out 1098 ms 106144 KB Time limit exceeded
72 Execution timed out 1079 ms 106140 KB Time limit exceeded
73 Execution timed out 1097 ms 106352 KB Time limit exceeded
74 Execution timed out 1097 ms 106232 KB Time limit exceeded
75 Execution timed out 1087 ms 106196 KB Time limit exceeded
76 Execution timed out 1099 ms 106104 KB Time limit exceeded
77 Execution timed out 1078 ms 106104 KB Time limit exceeded
78 Execution timed out 1086 ms 106160 KB Time limit exceeded
79 Execution timed out 1083 ms 106104 KB Time limit exceeded
80 Execution timed out 1092 ms 105976 KB Time limit exceeded
81 Execution timed out 1092 ms 106196 KB Time limit exceeded
82 Execution timed out 1089 ms 106016 KB Time limit exceeded
83 Execution timed out 1088 ms 106104 KB Time limit exceeded
84 Execution timed out 1086 ms 106104 KB Time limit exceeded
85 Execution timed out 1084 ms 106068 KB Time limit exceeded
86 Execution timed out 1071 ms 106044 KB Time limit exceeded
87 Execution timed out 1086 ms 105912 KB Time limit exceeded
88 Execution timed out 1091 ms 106208 KB Time limit exceeded
89 Execution timed out 1081 ms 106284 KB Time limit exceeded
90 Execution timed out 1089 ms 85536 KB Time limit exceeded
91 Execution timed out 1085 ms 106244 KB Time limit exceeded
92 Execution timed out 1083 ms 106368 KB Time limit exceeded
93 Execution timed out 1095 ms 106144 KB Time limit exceeded
94 Execution timed out 1084 ms 106312 KB Time limit exceeded
95 Execution timed out 1088 ms 106264 KB Time limit exceeded
96 Execution timed out 1079 ms 106240 KB Time limit exceeded
97 Execution timed out 1068 ms 106132 KB Time limit exceeded
98 Execution timed out 1088 ms 106236 KB Time limit exceeded
99 Execution timed out 1078 ms 106080 KB Time limit exceeded
100 Execution timed out 1090 ms 106016 KB Time limit exceeded