Created
          October 25, 2016 04:38 
        
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    Permutação de números 
  
        
  
    
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  | #include <stdio.h> | |
| #include <string.h> | |
| #include <stdlib.h> | |
| void swap(char *x, char *y){ | |
| char temp; | |
| temp = *x; | |
| *x = *y; | |
| *y = temp; | |
| } | |
| void permute(char *a, int l, int r, int *answ){ | |
| int i; | |
| if (l == r){ | |
| if(atoi(a) % 8 == 0){ | |
| (*answ)++; | |
| } | |
| } | |
| else{ | |
| for (i = l; i <= r; i++){ | |
| swap((a+l), (a+i)); | |
| permute(a, l+1, r, answ); | |
| swap((a+l), (a+i)); | |
| } | |
| } | |
| } | |
| int main(){ | |
| int n_test, answ; | |
| scanf("%d", &n_test); | |
| int i; | |
| for(i=1 ; i<=n_test ; i++){ | |
| answ=0; | |
| char str[1000]; | |
| scanf("%s", str); | |
| getchar(); | |
| int n; | |
| n = strlen(str); | |
| permute(str, 0, n-1, &answ); | |
| if(answ != 0){ | |
| printf("YES\n"); | |
| } | |
| else{ | |
| printf("NO\n"); | |
| } | |
| } | |
| return 0; | |
| } | 
  
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