1 #include <stdio.h> 2 void add(int num1,int num2) 3 { 4 printf("%d+%d=%d",num1,num2,num1+num2); 5 } 6 void sub(int num1,int num2) 7 { 8 printf("%d-%d=%d",num1,num2,num1-num2); 9 } 10 11 #include <stdio.h> 12 int main(int argc, const char *argv[]) 13 { 14 int num1,num2; 15 char ch; 16 printf("输入一个表达式:"); 17 scanf("%d%c%d",&num1,&ch,&num2); 18 switch(ch) 19 { 20 case '+':add(num1,num2);break; 21 case '-':sub(num1,num2);break; 22 } 23 return 0; 24 }
标签:ch,num1,num2,int,printf,char,简易,计算器 From: https://www.cnblogs.com/xj123/p/17126180.html