lt12.c

软件编程入门丛书《C语言程序设计》源代码。

# include "stdio.h"
void main( )                   
{
int m,n,o;
printf("%40s\n","****************");
printf("%40s\n","  求m和n之和  ");
printf("%40s\n","****************");
printf("%40s\n","请输入m和n的值：");
scanf("%d%d",&m,&n);
o=m+n;
printf("%40d%s%d%s",m,"+",n,"=");
printf("%d",o);
}