实验二

#include<stdio.h>
int main()
{
    int x=1234;
    float f=123.456;
    double m=123.456;
    char ch='a';
    char a[]="Hello,world";//定义一个数组a，数组中连续存放了字符串常量Hello world
    int y=3,z=4;
    printf("%d %d\n",y,z);
    printf("y=%d,z=%d\n",y,z);
    printf("%8d,%2d\n",x,x);
    printf("%f,%8f,%8.1f,%0.2f,%.2e\n",f,f,f,f,f);
    printf("%1f\n",m);
    printf("%3c\n",ch);
    printf("%s\n%15s\n%10.5s\n%2.5s\n%.3s\n",a,a,a,a,a);
    return 0; 
}

#include<stdio.h>
int main()
{
    int level;
    printf("输入等级（1-5）：");
    scanf("%d",&level);
    switch(level){
        case 1:printf("high翻了\n"); break;
        case 2:printf("low爆了\n"); break;
        default:printf("一言难尽\n");
        }

    return 0;
 }