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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.     int n;
  6.     printf("How many numbers to compute for average? ");
  7.     scanf("%d", &n);
  8.  
  9.     int numbers[n];
  10.     for (int i = 0; i < n; i++) {
  11.         printf("No %d: ", i + 1);
  12.         scanf("%d", numbers[i]);
  13.     }
  14.  
  15.     int sum = 0;
  16.     for (int i = 0; i < n; i++) {
  17.         sum += numbers[i];
  18.     }
  19.  
  20.     float avg = sum / (float) n;
  21.     printf("Average: %f", avg);
  22.     return 0;
  23. }
Success #stdin #stdout 0s 5288KB
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Standard input is empty
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How many numbers to compute for average? Average: -nan
https://ideone.com/sygdl3
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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