#include<stdio.h>

int main(void)

{

  int max-val=100;

  int min-val=10;
 
  int avg-val;

  avg-val = max-val + min-val / 2;

  printf("%d",avg-val);

  return 0;

}


뭐가틀린거지 틀린이유랑 고쳐줘...angmang.AM