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实验2

时间:2023-10-19 23:56:58浏览次数:27  
标签:11 include int number 实验 printf main

task1.c

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


#define N 5
#define N1 374
#define N2 465

int main(){
    
    int number;
    int i;
    
    srand(time(0) );
    
    for (i =0; i< N; i++){
        number = rand()%(N2 - N1 + 1) + N1;
        printf("202383290376%04d\n", number);
    }
    
    return 0;
} 

 

 

实验任务2

 1 #include <stdio.h>
 2 
 3 int main(){
 4     char a;
 5     while(scanf("%c",&a) != EOF){
 6         getchar();
 7         switch(a){
 8             case 'r':printf("stop!\n");break;
 9             case 'y':printf("wait a minute\n");break;
10             case 'g':printf("go go go\n");break;
11             
12             default: printf("something must be wrong\n");break;
13         }}
14     return 0;
15     
16     
17 } 

运行结果

 

实验任务3

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

int main(){
int number;
srand (time(0));
number = rand()%30 +1;
printf ("猜猜2023年11月哪一天是你的lucky day\n");
printf("开始喽 ,你有三次机会, 猜吧(1~30):");
int a ,i;

i =1;
while(i<=3){
scanf("%d", &a);
if (a<number){
printf("你猜的日期的日期早了 ,你的 lucky day 还没到呢\n再猜:");}
else if(a>number){
printf ("你猜的日期晚了 , 你的lucky day已经过了\n再猜:");
}
else if(a == number )
{printf("哇,猜中了:-)");
return 0;}
i++;
}

printf ("次数用完了 ,偷偷告诉你:11月,你的lucky day 是:%d",number);
return 0;

}

 

实验任务4

 1 #include <stdio.h>
 2 #include <stdlib.h>
 3 int main ()
 4 {  
 5   int n,a;
 6 
 7   while (scanf ("%d%d",&n,&a) != EOF){
 8       int up,down;
 9       double s;
10       s = 0;
11       int i;
12       down = 0;
13       
14       for (i = 1;i <= n;i++){
15           up = i;    
16           down = 10*down+a;
17           s += 1.0*up/down;
18           
19       }
20       printf("n=%d,a=%d,s=%lf\n", n,a,s);
21 }
22 
23 
24 return 0;
25     
26 }

运行结果

实验任务5

 1 #include <stdio.h>
 2 int main(){
 3     int i,j;
 4     for (i = 1;i<= 9; i++){
 5         for(j = 1;j <= i;j++){
 6             printf("%d*%d = %d ",i,j,i*j);
 7         }
 8         printf("\n"); 
 9     }
10 
11 
12 return 0;
13 
14 }

运行结果

实验任务6

 1 #include<stdio.h>
 2 int main(){
 3     int n;
 4     int i,j,k,l,f;
 5     scanf("%d",&n);
 6     for(i = 1;i <= n;i++){
 7             for(f=1;f<=i-1;f++){
 8             printf("\t");
 9         }
10     for(j = 1;j <= 2*n-1-2*(i - 1);j++){
11         printf(" O \t");
12     }
13 
14     printf("\n");
15 
16         for(f=1;f<=i-1;f++){
17             printf("\t");
18         }
19     for(k = 1;k  <= 2*n-1-2*(i - 1);k++){
20         printf("<H>\t");
21         }
22 
23     printf("\n");
24 
25         for(f=1;f<=i-1;f++){
26             printf("\t");
27         }
28     for(l = 1;l  <= 2*n-1-2*(i - 1);l++){
29         printf("I I\t");
30         }
31     printf("\n");
32 
33     }
34 
35 
36 
37 
38 
39 return 0;
40 }

运行结果

 

标签:11,include,int,number,实验,printf,main
From: https://www.cnblogs.com/fz1003yy/p/17767924.html

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