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  1. #include <stdio.h>
  2. #include <time.h>
  3.  
  4. int main() {
  5.     clock_t start, end;
  6.     double cpu_time_used;
  7.  
  8.     start = clock();
  9.     // 执行一些操作
  10.     for(int i = 0; i < 100000000; i++) {
  11.         // 示例操作
  12.     }
  13.     end = clock();
  14.     cpu_time_used = ((double) (end - start)) / CLOCKS_PER_SEC;
  15.  
  16.     printf("Time used: %f seconds\n", cpu_time_used);
  17.     return 0;
  18. }
Success #stdin #stdout 0.01s 5304KB
comments (?)
stdin 
Standard input is empty
stdout 
Time used: 0.000000 seconds
https://ideone.com/4zFahC
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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