View Code of Problem 69

#include<stdio.h>
int main(void)
{
  int x,y;
  printf("输入x:");
  if(x<1)
    y=x;
  else if(x>=1&&x<10);
    y=2*x-1;
  else
    y=3*x-11;
  printf("%d",y);
  return 0;
}
/*
Main.c: In function 'main':
Main.c:10:3: error: 'else' without a previous 'if'
   else
   ^
*/