//task1_1//#include<stdio.h>
int main()
{
    printf(" O n");
    printf("<H>n");
    printf("I In");
    printf(" n");
    printf(" O n");
    printf("<H>n");
    printf("I In");
    return 0;
}

//task1_2//#include<stdio.h>
int main()
{
    printf(" O    On");
    printf("<H>  <H>n");
    printf("I I  I In");
    return 0;

//task2_2//
#include<stdio.h>
#include<math.h>
int main()
{
    double x,ans;
    while(scanf("%lf",&x)!=EOF)
    {
        ans=pow(x,365);
        printf("%.2f的365次方：%.2fn",x,ans);
        printf("n");
    }
    return 0;
}

//task2_3//
#include<stdio.h>
int main()
{
    double c,f;
    while(scanf("%lf",&c)!=EOF)
    {
        f=9*c/5+32;
        printf("摄氏度c=%.2f时，华氏度f=%.2fn",c,f);
        printf("n");
    }
    return 0;
    
}

//task 4//
#include<stdio.h>
int main()
{
    int age1,age2;
    char gender1,gender2;
    scanf("%d%c%d%c",&age1,&gender1,&age2,&gender2);
    printf("age1 = %d,gender1 = %cn",age1,gender1);
    printf("age2 = %d,gender2 = %cn",age2,gender2);
    return 0;
}

//task 5//
#include<stdio.h>
int main()
{
    char ans1,ans2;
    printf("第3章认真学完一遍了没？（输入y或Y表示认真学完一遍了，输入n或N表示没有）:");
    ans1=getchar();
    getchar();
    printf("n动手敲代码实践了没？（输入y或Y表示敲了，输入n或N表示木有敲）:");
    ans2=getchar();
    if((ans1=='y'||ans1=='Y')&&(ans2=='y'||ans2=='Y'))
      printf("n罗马不是一天建成的,继续保持哦：）n");
    else
      printf("n罗马不是一天毁灭的，我们回头建设吧n");
      
     return 0;   

}

//《哈利波特》问答//
#include<stdio.h>
int main()
{
    int answer;
    char words[5000];
    printf("你最喜欢《Harry Potter》里的哪个角色？n");
    printf("1.Harry James Potter.n");    
    printf("2.Ronald Bilius Weasley.n");
    printf("3.Hermione Jean Granger.n");
    printf("4.Othersn");
    printf("你的选择： n");
    scanf("%d",&answer);
    
    if(answer==4)
    {
        printf("请补充说明你的想法： n");
        getchar();
        gets(words) ;
    }
    printf("n");
    
    printf("你最为哪个角色意难平？n");
    printf("1.Severus Snape.n");
    printf("2.Albus Percival Wulfric Brian Dumbledore.n");
    printf("3.Others.n");
    printf("你的选择： n");
    scanf("%d",&answer);
    
    if(answer==1)
    printf("You have your mother's eyes...'n");
    else if(answer==2)
    printf("It is not our abilities that show what we truly are,it is our choices.n");
    else if(answer==3)
    {
        printf("请补充说明你的想法： n");
        getchar();
        gets(words) ;
    }
    
    
    return 0;
}