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实验2

时间:2023-03-23 14:12:25浏览次数:30  
标签:include R1 int scanf 实验 printf main

1、实验任务1

task1.c

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define N 5
#define R1 586
#define R2 701

int main()
{
    int number;
    int i;

    srand( time(0) );  

    for(i = 0; i < N; ++i)
    {
        number = rand() % (R2 - R1 + 1) + R1;
        printf("20228330%04d\n", number);
    }
    
    return 0;
}

运行结果截图

问题一:line18的功能是生成R1至(R2-R1+1)+R1之间的随机数

问题二:这个程序的功能是生成5个R1至(R2-R1+1)+R1之间的随机数

2、实验任务2

task2.c

#include<stdio.h>
int main(){
    double x,y;
    char c1,c2,c3;
    int a1,a2,a3;
    scanf("%d%d%d",&a1,&a2,&a3);//有误
    printf("a1=%d,a2=%d,a3=%d\n",a1,a2,a3);
    
    scanf("%c%c%c",&c1,&c2,&c3);
    printf("c1=%c,c2=%c,c3=%c\n",c1,c2,c3) ;
    
    scanf("%lf%lf",&x,&y);//有误 
    printf("x=%lf,y=%lf\n",x,y);
    return 0;
}

运行结果截图

 

3、实验任务3

task3_2.c

#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: %.2f\n", x, ans);
        printf("\n");
    }
    
    return 0;
}

运行结果截图

 

task3_3.c

 

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

实验结果截图

 

 

4、实验任务4

task4.c

#include<stdio.h>
int main()
{
    char light;
    
    while(scanf("%c",&light)!=EOF){
        getchar();
        switch(light){
            case'r':printf("stop!\n");break;
            case'g':printf("go go go\n");break;
            case'y':printf("wait a minute\n");break;
            default:printf("something must be wrong...\n");break;
        }
    }
    return 0;
}

运行结果截图

 

5、实验任务5

 task5.c

#include<stdio.h>
#include<stdlib.h>
#include<time.h>

#define N 3
#define R1 1
#define R2 30
int main()
{
    int n1,n2,i,flag;
    
    srand(time(0));
    flag=0;
    
    n1 = rand()%(R2-R1+1)+R1;
    printf("猜猜2023年4月哪一天会是你的lucky day\n");
    printf("开始喽,你有三次机会,猜吧(1-30):");
    
    for(i=1;i<=N;i++)
    {
        scanf("%d",&n2);
        if(n2==n1){
            printf("哇,猜中了:-\n");
            break;
            }
        else if(n2>n1)
            printf("你猜的日期晚了,你的lucky day已经过啦\n");
        else
            printf("你猜的日期早了,你的lucky day还没到呢\n");
        printf("再猜(1-30):");
        flag++;
    }
    if(flag==3)
        printf("次数用完啦,偷偷告诉你:4月,你的lucky day是%d号\n",n1);
    
    return 0;
}

 

运行结果截图

 

6、实验任务6

task6.c

#include<stdio.h>
int main()
{
    int line,column;
    for(line=1;line<=9;line++){
        for(column=1;column<=line;column++){
            printf("%d*%d=%d\t",column,line,line*column);
            }
        printf("\n");
        }
    return 0;
}

运行结果截图

 

7、实验任务7

task7.c

#include<stdio.h>
int main()
{
    int n,i,j;
    printf("input n:");
    scanf("%d",&n);
    
    for(i=1;i<=n;i++){
        for(j=1;j<i;j++)
            printf("\t");
        for(j=1;j<=2*(n-i)+1;j++)
            printf(" o \t");
        printf("\n");    
        for(j=1;j<i;j++)
            printf("\t");
        for(j=1;j<=2*(n-i)+1;j++)
            printf("<H>\t");
        printf("\n");
        for(j=1;j<i;j++)
            printf("\t");
        for(j=1;j<=2*(n-i)+1;j++)
            printf("I I\t");
        printf("\n");
    }
    return 0;
}

运行结果截图

 

标签:include,R1,int,scanf,实验,printf,main
From: https://www.cnblogs.com/xsq1201/p/17223537.html

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