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  1. #include <stdio.h>
  2. #include <time.h>
  3.  
  4. void minhafuncao(){
  5.     int x = 0;
  6.     x++;
  7. //    return x;
  8. }
  9.  
  10. int main () {
  11.     clock_t begin, end;
  12.     double time_spent;
  13.     int x;
  14.  
  15.     begin = clock();
  16.     for (int i = 0; i < 300000000; i++);
  17.     end = clock();
  18.     time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
  19.     printf ("Tempo gasto %.2lf segundos.\n", time_spent);
  20.  
  21.     begin = clock();
  22.     for (int i = 0; i < 300000000; i++) minhafuncao();
  23.     end = clock();
  24.     time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
  25.     printf ("Tempo gasto %.2lf segundos.\n", time_spent);
  26.  
  27.     begin = clock();
  28.     for (int i = 0; i < 300000000; i++) x++;
  29.     end = clock();
  30.     time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
  31.     printf ("Tempo gasto %.2lf segundos.\n", time_spent);
  32.     x++;
  33.     return 0;
  34. }
Success #stdin #stdout 3.01s 2052KB
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Standard input is empty
stdout
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Tempo gasto 0.89 segundos.
Tempo gasto 1.08 segundos.
Tempo gasto 1.05 segundos.
https://ideone.com/WoLlEE
language:
C99 (gcc 8.3)
created:
9 years ago
visibility:
public

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