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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. void concat(size_t size, int nums[], char chars[], char *result[]){
  5. 	for(size_t i = 0; i < size; ++i){
  6. 		int len = snprintf(NULL, 0, "%d%c", nums[i], chars[i]);
  7. 		if((result[i] = malloc(++len)))
  8. 			snprintf(result[i], len, "%d%c", nums[i], chars[i]);
  9. 	}
  10. }	
  11.  
  12. int main(void) {
  13. 	int A[5] = {12, 23, 12, 32, 12};
  14. 	char B[5] = {'a', 'e', 'd', 'y', 'i'};
  15. 	char *P[5];
  16. 	concat(5, A, B, P);
  17.  
  18. 	//print and deallocate
  19. 	printf("P[5] = {");
  20. 	for(int i = 0; i < 5; ++i){
  21. 		if(i)
  22. 			printf(", ");
  23. 		printf("%s", P[i]);
  24. 		free(P[i]);
  25. 	}
  26. 	printf("}\n");
  27. 	return 0;
  28. }
  29.  
Success #stdin #stdout 0s 9424KB
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Standard input is empty
stdout
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P[5] = {12a, 23e, 12d, 32y, 12i}
https://ideone.com/7GmbnA
language:
C99 (gcc 8.3)
created:
8 years ago
visibility:
public

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