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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.     char a[] = "teste1";
  5.     char b[] = "teste2";
  6.  
  7.     int tamanho1 = 0;
  8.     while (a[tamanho1]) tamanho1++;
  9.  
  10.     int tamanho2 = 0;
  11.     while (b[tamanho2]) tamanho2++;
  12.  
  13.     int tamanho3 = tamanho1 + tamanho2 + 1;
  14.     char *c = (char *) malloc(tamanho3);
  15.  
  16.     for (int i = 0; a[i]; i++) {
  17.         c[i] = a[i];
  18.     }
  19.  
  20.     for (int i = 0; b[i]; i++) {
  21.         c[i + tamanho1] = b[i];
  22.     }
  23.  
  24.     c[tamanho1 + tamanho2] = 0;
  25.  
  26.     printf("%s\n", c);
  27.     free(c);
  28. }
  29.  
Success #stdin #stdout 0s 4356KB
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stdin
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Standard input is empty
stdout
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teste1teste2
https://ideone.com/FXU7af
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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