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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a[] = {1,2,3,4,5,6};
  5. int k = 2;
  6. int vitri = 100;
  7. for (int i=0;i<6;i++)
  8. if (a[i]==k)
  9. vitri = i;
  10.  
  11. if (vitri == 100)
  12. printf("ko tim thay\n");
  13. else printf("tim thay tai %d", vitri);
  14.  
  15. return 0;
  16. }
  17.  
Success #stdin #stdout 0.01s 5276KB
stdin
Standard input is empty
stdout
tim thay tai 1