View Code of Problem 115

# include<stdio.h>
int main(void)
{
  int n,i;
  while(scanf("%d",&n)!=EOF)
  {
    int sum1 = 0,sum2 = 0;
    for(i=1;i<=n;++i)
    {
      sum1 = sum + i;
      sum2 = sum2 + pows(2,i-1)
    }
    printf("%d %d",sum1,sum2);
  }
  return 0;
}
/*
Main.c: In function 'main':
Main.c:10:14: error: 'sum' undeclared (first use in this function)
       sum1 = sum + i;
              ^
Main.c:10:14: note: each undeclared identifier is reported only once for each function it appears in
Main.c:11:7: warning: implicit declaration of function 'pows' [-Wimplicit-function-declaration]
       sum2 = sum2 + pows(2,i-1)
       ^
Main.c:12:5: error: expected ';' before '}' token
     }
     ^
*/