#include "stdafx.h"
int main(int argc, char* argv[])
{
float x,y;
char a;
scanf("%f %c %f",&x,&a,&y);
if(a='+')
{
float jiafa(float x,float y);
float result=jiafa(x,y);
printf("result=%f\n",result);
}
if(a='-')
{
float jianfa(float x,float y);
float result=jianfa(x,y);
printf("result=%f\n",result);
}
fflush(stdin);
getchar();
return 1;
}
float jiafa(float x,float y)
{
float result1;
result1=x+y;
return result1;
}
float jianfa(float x,float y)
{
float result2;
result2=x-y;
return result2;
}
这个破程序怎么不管a等于什么符号都输出2个结果，
怎么让他a=‘+’时只输出x+y的结果
a=“-”时只输出x-y的结果
高手帮忙