实验

 #include <stdio.h>
 int main() {
     printf(" o          o \n");
     printf("<H>        <H>\n");
     printf("I I        I I\n");
     
     return 0;
 } 

 

 

#include<stdio.h>
int main() {
    
    float x, y;            //定义两个整型变量,用来保存整形数据
    float r1, r2, r3, r4; //定义两个整型变量,用来保存加减乘除运算结果
    
    x = 1;
    y = 2;
    r1 = x + y;
    r2 = x - y;
    r3 = x * y;
    r4 = x / y;
    
    printf("r1 = %f\n", r1);    //在屏幕上输出r1中存放的结果 
    printf("r1 = %f\n", r2);    //在屏幕上输出r2中存放的结果 
    printf("r1 = %f\n", r3);     //在屏幕上输出r3中存放的结果 
    printf("r1 = %f\n", r4);     //在屏幕上输出r4中存放的结果 
    
    return 0; 
} 

 

 

#include<stdio.h>
int main() {
    int n, r1, r2, r3, r4;
    
    n = 100; 
    
    r1 = n*(n+1)/2;
    r2 = (n+1)*n/2;
    r3 = n/2*(n+1);
    r4 = (n+1)/2*n;
    
    printf("n = %d\n",n);
    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() 
 
{
    double x,y;
    char c1,c2,c3;
    int a1,a2,a3;
    scanf("%d%d%d",&a1,&a2,&a3);
    printf("%d,%d,%d\n",a1,a2,a3);
    scanf(" %c %c %c",&c1,&c2,&c3);
    printf("%c,%c,%c\n",c1,c2,c3);
    scanf("%lf%lf",&x,&y);
    printf("%lf,%lf\n",x,y);
    
    return 0; 
}

 

#include<stdio.h>

int main()
 
{
    char c1,c2;
    int a1,a2;
    scanf("%d%c%d%c", &a1, &c1, &a2, &c2);
    printf("a1 = %d, a2 = %d\n", a1, a2);
    printf("c1 = %c, c2 = %c\n", c1, c2);
    
    return 0;
 } 

 

#include <stdio.h>
int main(){
    int answer;
    char words[5000];
    
    printf("网课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.其它...\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,逐个击破.\n");
    printf("2.遇到问题,不高兴。然后,...,没有了.\n"); 
    printf("3.其它...\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;
} 

 

posted @ 2021-10-27 23:56  凌空haki  阅读(28)  评论(0编辑  收藏  举报