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  1.     #include <stdio.h>
  2.     #include <stdlib.h>
  3.  
  4.     int main(void) {   // int, не float!!
  5.         float *a = malloc(2*sizeof(float));
  6.         *(a+1) = 0;
  7.         for(int i = 0; i < 3; ++i)
  8.         {
  9.             scanf("%f", a);  // Не %float!
  10.             *(a+1) += *a;
  11.         }
  12.         printf("%f\n", *(a+1)/3);
  13.         free(a);
  14.     }
  15.  
Success #stdin #stdout 0s 5520KB
comments (?)
stdin
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1 2 3
stdout
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2.000000
https://ideone.com/pGXipF
language:
C (gcc 8.3)
created:
3 years ago
visibility:
public

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