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  1. #include <stdio.h>
  2. int main (){
  3.     int x, y, p[50001], a, b;
  4.     scanf ("%d %d", &x, &y);
  5.     p[0]=0;
  6.     for (int i = 1; i <= x; i++){
  7.     scanf ("%d", &p[i]);
  8.     p[i]=p[i] + p[i-1];
  9.     }
  10.     while (y--){
  11.         scanf ("%d %d", &a, &b);
  12.         printf ("Hari ke %d-%d: %.2f\n", a, b, (p[b]- p[a-1])/(b-a+1.0));
  13.  
  14.     }
  15.     return 0;
  16. }
Success #stdin #stdout 0s 5324KB
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https://ideone.com/H2lFJD
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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