问答题
完成下面分段函数的计算，程序运行时用户从键盘输入一个整数x，在屏幕上输出y值。分段函数如下：
【正确答案】
【答案解析】#include"stdio.h"
main()
{
int x, y;
printf("Please input x:");
scanf("%d", &x);
if(x＞0)
{
y=2*x+3;
printf("y=%d\n", y);
}
else if(x==0)
{
y=0;
printf("y=%d\n", y);
}
else
{
y=3*x-5;
printf("y=%d\n", y);
}
}
main()
{
int x, y;
printf("Please input x:");
scanf("%d", &x);
if(x＞0)
{
y=2*x+3;
printf("y=%d\n", y);
}
else if(x==0)
{
y=0;
printf("y=%d\n", y);
}
else
{
y=3*x-5;
printf("y=%d\n", y);
}
}