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  1. #include <iostream>
  2. #include <cstdio>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int x, n, a[10], cnt, f[10];
  7. 	char s[60];
  8. 	f[0]=1;
  9. 	for(int i=1; i<7; i++) f[i]=f[i-1]*i;
  10. 	cnt=0;
  11. 	scanf("%d%d", &x, &n);
  12. 	while(n--) {
  13. 		for(int i=0; i<10; i++) a[i]=0;
  14. 		scanf("%s", s);
  15. 		for(int i=0; i<54; i++) {
  16. 			if(s[i]=='0') {
  17. 				if(i<36) a[i/4]++;
  18. 				else a[8-(i-36)/2]++;
  19. 			}
  20. 		}
  21. 		for(int i=0; i<9; i++) if(a[i]>=x) cnt+=f[a[i]]/f[x]/f[a[i]-x];
  22. 	}
  23. 	printf("%d", cnt);
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 3344KB
comments (?)
stdin
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1 3
100101110000001011000001111110010011110010010111000101
001010000000101111100000000000000111101010101111111010
011110011110000001010100101110001011111010001001111010
stdout
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85
https://ideone.com/UKGPUu
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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