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  1. #include <stdio.h>
  2.  
  3. #define NUM 5
  4.  
  5. int main(void) {
  6.     double a[NUM] = {1.0, 1.2, 1.3, 1.0, 1.0};
  7.     int count = 0;
  8.  
  9.     for (int x = 0; x < NUM; x++) {
  10.         for (int y = x + 1; y < NUM; y++) {
  11.             if (a[x] == a[y]) {
  12.                 count++;
  13.             }
  14.         }
  15.     }
  16.  
  17.     printf("%d\n", count);
  18.  
  19.     return 0;
  20. }
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/m8qzcc
language:
C (clang 8.0)
created:
2 days ago
visibility:
public

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