c how to program 习题3.42

运行结果：

C语言结果：

/* c how to program 习题3.42 */
#include <stdio.h>

// function main begins program execution
int main( void )
{
    //分别定义变量x,y
    int x, y;
    printf("请分别请入x y的值：");
    scanf("%d %d", &x, &y);
    printf("%d", 1 + (x + y));
    puts("");
}