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Submission #159695

# Submission time Handle Problem Language Result Execution time Memory
159695 2019-10-24T01:37:46 Z socho Strah (COCI18_strah) C++14
22 / 110
 1000 ms 35544 KB 
#include "bits/stdc++.h"
using namespace std;

int main() {
	
	int n, m;
	cin >> n >> m;
	
	int grid[n][m];
	
	for (int i=0; i<n; i++) {
		string s;
		cin >> s;
		for (int j=0; j<m; j++) {
			grid[i][j] = (s[j] == '.');
		}
	}
	
	int pf[n+1][m+1];
	for (int i=0; i<n+1; i++) pf[i][0] = 0;
	for (int i=0; i<m+1; i++) pf[0][i] = 0;
	
	for (int i=0; i<n; i++) {
		for (int j=0; j<m; j++) {
			pf[i+1][j+1] = pf[i+1][j] + pf[i][j+1] - pf[i][j] + grid[i][j];
		}
	}
	
	int sm = 0;
	
	for (int i=1; i<=n; i++) {
		for (int j=i; j<=n; j++) {
			for (int a=1; a<=m; a++) {
				for (int b=a; b<=m; b++) {
					int area = (j - i + 1) * (b - a + 1);
					int qr = pf[j][b] - pf[j][a-1] - pf[i-1][b] + pf[i-1][a-1];
					if (area == qr) sm += area; 
				}
			}
		}
	}
	
	cout << sm << endl;
	
	
	
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1080 ms 1144 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1074 ms 1140 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1081 ms 1016 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1085 ms 9464 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1081 ms 22008 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1088 ms 14072 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1068 ms 2552 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1079 ms 35544 KB Time limit exceeded
2 Halted 0 ms 0 KB -