View Code of Problem 72

#include<stdio.h>
int main()
{
  int i,N;
  double M,sum=0.0;
  scanf("%lf%d",&M,&N);
  for(i=1;i<=N;i++)
 {
   {if(i=1)
     sum+=M;
   }
   else
   {
      sum+=2*M;
   }
    M=M/2;
  }
  M=M/2;
  printf("%.2lf%.2lf",M,sum);
  return 0;
}
/*
Main.c: In function 'main':
Main.c:9:4: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
    {if(i=1)
    ^
Main.c:12:4: error: 'else' without a previous 'if'
    else
    ^
*/