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实验2

时间:2023-03-22 20:37:32浏览次数:31  
标签:include int scanf num 实验 printf main

2.1
#include <stdio.h> #include <stdlib.h> #include <time.h> #define N 6 #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; }

2.2

#include<stdio.h>

int main()
{
    double x,y;
    char c1,c2,c3;
    int a1,a2,a3;
    
    scanf("%d%d%d",&a1,&a2,&a3);
    printf("a1=%d,a2=%d,a3=%d\n",a1,a2,a3);
    
    getchar();
    scanf("%c%c%c",&c1,&c2,&c3);
    printf("c1=%c,c2=%c,c3=%c\n",c1,c2,c3);
    
    scanf("%lf,%lf",&x,&y);
    printf("x=%lf,y=%lf\n",x,y);
    
    return 0;
}


2.3

#include <stdio.h>
#include <math.h>
#include <stdlib.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");
    }
    system("pause");

    return 0;
}

2.4

#include<stdio.h>
#include<math.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=%.2f",C, F);
        printf("\n");
        printf("\n");
    }
    
    return 0;
}

2.5

#include <stdio.h>
#include <stdlib.h>
int main()
{
    char x;
    while(x = getchar())
    {
        getchar();
        if (x == 'r')
        printf("stop!\n");
        else if (x == 'g')
             printf("go go go\n");
             else if (x == 'y')
             printf("wait a minute\n");
             else
             printf("some thing must be wrong\n");
            
        
    }
    return 0;
}

2.6

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

int main()
{
    int num, i, n;
    srand(time(0));
    num = rand() % (30 - 1 + 1) + 1;
    printf("猜猜2023年4月哪一天是你的lucky day\n");
    printf("\n");
    printf("开始喽,你有三次机会,猜吧(1~30):");
    scanf("%d", &n);
    printf("\n");
    for(i=1;i<3;i++)
    {
        if (n > num)
            printf("你猜的日期晚了,你的lucky day已经过了\n");
        else if (n < num)
            printf("你猜的日期早了,你的lucky day还没到呢\n");
        else
        {
            printf("哇,猜中了:-)");
            break;
        }

        printf("\n");
        printf("再猜(1~30):");
        scanf("%d", &n);
        printf("\n");
    }
    if (n != num)
        printf("次数用完啦。偷偷告诉你:4月,你的lucky day是%d号",num);
    return 0;
}

2.7

#include<stdio.h>
int main()
{
    int line, column;
    for(line=1;line<10;line++)
    {
        for(column=1;column<line+1;column++)
        printf("%d*%d=%d ",column,line,line*column);
        printf("\n");
    }
    return 0;
}

2.8

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

 



标签:include,int,scanf,num,实验,printf,main
From: https://www.cnblogs.com/ry202283300666/p/17245325.html

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