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  1. #include <stdio.h>
  2.  
  3. double avg(int n,int m,int l){
  4. return (double)(n+m+l)/3;
  5. }
  6.  
  7. int main(void){
  8. int a,b,c;
  9. scanf("%d %d %d",&a,&b,&c);
  10. printf("%f",avg(a,b,c));
  11.  
  12. return 0;
  13. }
  14.  
Success #stdin #stdout 0.01s 5296KB
stdin
1 2 3
stdout
2.000000