实验一

include<stdio.h>
int main(){
    printf("202083450013,hellio2020");
    return 0;
} 

#include<stdio.h>
int main()
{
    while(0)
    printf("0 1");
    return 0;
}

#include<stdio.h>
int main()
{
    while(1)
    printf("love");
    return 0;
}

#include<stdio.h>
int main()
{
    while(1)
    printf("0 1");
    return 0;
}

 

#include<stdio.h>
int main(){
 int x,y;
 int r1,r2,r3,r4;
 x=1;
 y=2;
 r1=x+y;
 r2=x-y;
 r3=x*y;
 r4=x/y;
 printf("r1=%d\n",r1);
 printf("r2=%d\n",r2);
 printf("r3=%d\n",r3);
 printf("r4=%d\n",r4);
 return 0;
}include<stdio.h>
int main(){
 int x,y;
 int r1,r2,r3,r4;
 x=1;
 y=2;
 r1=x+y;
 r2=x-y;
 r3=x*y;
 r4=x/y;
 printf("r1=%d\n",r1);
 printf("r2=%d\n",r2);
 printf("r3=%d\n",r3);
 printf("r4=%d\n",r4);
 return 0;
}

 

#include<stdio.h>
int main(){
    float x,y;
    float r1,r2,r3,r4;
    x=1;
    y=2;
    r1=x+y;
    r2=x-y;
    r3=x*y;
    r4=x/y;
    printf("r1=%f\n",r1);
    printf("r2=%f\n",r2);
    printf("r3=%f\n",r3);
    printf("r4=%f\n",r4);
    return 0;
}include<stdio.h>
int main(){
    float x,y;
    float r1,r2,r3,r4;
    x=1;
    y=2;
    r1=x+y;
    r2=x-y;
    r3=x*y;
    r4=x/y;
    printf("r1=%f\n",r1);
    printf("r2=%f\n",r2);
    printf("r3=%f\n",r3);
    printf("r4=%f\n",r4);
    return 0;
}

 

#include<stdio.h>
int main(){
    int answer;
    char word[5000];
    printf("在家里上学让一些人欢喜一些人忧。\n");
    printf("1.作为一个宅，社恐觉得这样很好，有网络，自主学习，很OK。\n");
    printf("2.不喜，不喜很不喜。眼睛快瞎了，脑壳有点卡。。。\n");
    printf("3.中间派，不知道，说不清。\n");
    printf("4.其他。。。\n");
    printf("你的选择：");
    scanf("%d",&answer);
    if(answer==4){
        printf("请补充说明你的想法：\n");
        getchar();
        gets(words);
    }
    printf("\n");
    printf("当遇到问题时，你会选择：\n");
    printf("1.遇到问题，就解决问题。不懂得，搜索式学习，逐个攻破。\n");
    printf("2.遇到问题，不高兴。然后，。。。，没有了。\n");
    printf("3.其他。。。\n");
    printf("你的选择：");
    scanf("%d",&answer);
    if(answer==1)
    printf(":)\n");
    else if(answer==2)
    printf("这样不能解决问题啊。。。我们选择1好不好:)\n");
    else if(answer==3){
        printf("请补充说明你的想法:\n");
        getchar();
        gets(words);
    }
    return 0;
}