4.3

4.1.1

#include<stdio.h>main(){char a, b;int c;scanf("%c%c%d",&a, &b, &c);printf("%c, %c, %d\n", a, b, c);return 0;}

运行结果

4.3.2

#include<stdio.h>main(){char a, b;int c;scanf("%c%c%d",&a, &b, &c);printf("%-2c%-2c%d\n", a, b, c);return 0;}

运行结果

知识

数据输出