编写一段程序,程序要实现如下功能:

img

用if...else分支判断就可以了


#include "stdio.h"
int main(){
  int x;
  int y;
  scanf("%d",&x);
  if(x>-5 && x<0){
      y = 2*x-1;
  }else if(x==0){
      y = x-1;
  }else if(x>0 && x<10){
          y = 2*x+1;
  }
  return 0;
}
#include "stdio.h"

int mian(int argc, char *argv[])
{
    int x, y;

    scanf("%d", &x);

    /* y = 2x-1; (-5<x<0)
    ** y = x-2; (x=0)
    ** y = 2x+1; (0<x<10)
    */
    if (x > -5 && x < 0) {
        y = 2 * x -1;
    } else if (x == 0) {
        y = x - 2;
    } else if ( x > 0 && x < 10) {
        y = 2 * x + 1;
    }

    return 0;
}
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