实验一

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

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

  

 

 task 2

#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; 
}

  

 task 3

#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() 
{
    int n, r1, r2, r3, r4;
    n = 101;
    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;
}

  

 task 4

#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;
}

  

 task 5

#include<stdio.h>
int main()
{
    int a1, a2;
    char c1, c2;
    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;
}

  

task 6

#include <stdio.h>
int main() 
{
    int answer;
    char words[5000];
    printf("网课学习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(); // 这行代码为什么放在这里,如果去掉了,会怎么样?
    gets(words); // 从键盘输入你的想法,输完后,敲回车键
}
    printf("\n"); // 换行
    printf("当遇到问题时, 你会选择:\n");
    printf("1. 遇到问题, 就解决问题。不懂的,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(); // 这行代码为什么放在这里,如果去掉了,会怎么样?
    gets(words); // 从键盘输入你的想法,输完后,敲回车键
}

  

 

 

posted on 2021-10-29 08:58  黄爽  阅读(13)  评论(0编辑  收藏  举报