View Code of Problem 73

#include<stdio.h>
int main()
{
  int day,x1,x2,N;
  day=N-1;
  x2=1;
  scanf("%d",&N)
  while(day>0)
  {
    x1=2*(x2+1);
  }
  printf("%d",x1);
  return 0;
}
  
/*
Main.c: In function 'main':
Main.c:8:3: error: expected ';' before 'while'
   while(day>0)
   ^
Main.c:4:14: warning: variable 'x2' set but not used [-Wunused-but-set-variable]
   int day,x1,x2,N;
              ^
Main.c:4:11: warning: unused variable 'x1' [-Wunused-variable]
   int day,x1,x2,N;
           ^
Main.c:4:7: warning: variable 'day' set but not used [-Wunused-but-set-variable]
   int day,x1,x2,N;
       ^
*/