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Submission #159696

# Submission time Handle Problem Language Result Execution time Memory
159696 2019-10-24T01:40:17 Z socho Strah (COCI18_strah) C++14
44 / 110
 1000 ms 31580 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++) {
				bool cg = true;
				for (int b=a; b<=m && cg; 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; 
					else cg = false;
				}
			}
		}
	}
	
	cout << sm << endl;
	
	
	
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 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
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 1016 KB Output is correct
2 Correct 44 ms 1188 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 1016 KB Output is correct
2 Correct 43 ms 1192 KB Output is correct

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1079 ms 1016 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 714 ms 8596 KB Output is correct
2 Execution timed out 1085 ms 21372 KB Time limit exceeded

Subtask #7
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1086 ms 19576 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 1089 ms 12536 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 367 ms 2424 KB Output is correct
2 Execution timed out 1083 ms 26232 KB Time limit exceeded

Subtask #10
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1075 ms 31580 KB Time limit exceeded
2 Halted 0 ms 0 KB -