2-1.c

在Linux环境下用c编写的输入输出实例源码

#include <stdio.h>

int main( )
{
	int  x, y, sum;  /*定义了3个变量*/

	x = 100;
	y = 200;
	sum = x+y;

	printf("sum is %d\n", sum);  /*输出结果*/
}