【每日一坑 1】 随机取数

vose

1. #coding:utf-8
   
2. #从1到n 取m个数 1<=m<=n
   
3. from random import randint
   
4. 
   
5. print "---------------------------------"
   
6. 
   
7. try:
   
8.     n = input("Please input number of N > ")
   
9. except NameError:
   
10.     print "Please check your input, needs number only"
    
11.     n = input("Please input number of N > ")
    
12.    
    
13. number_list = []
    
14. for i in range(1,n+1):
    
15.     number_list.append(i)
    
16.    
    
17. m = randint(1,n)
    
18. print "Get",m,"number"
    
19. get_number = []
    
20. for i in range(0,m):
    
21.     x = randint(1,n-1)
    
22.     get_number.append(number_list[x])
    
23.    
    
24. print "\nDone\n"
    
25. for i in get_number:
    
26.     print i,
    
27.    
    
28. print "\n---------------------------------"

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aurora

来填坑了~
def m(m, n):
    import random
    return [random.randint(1, n) for i in xrange(m)]
   

byron

xuefu 发表于 2013-12-13 11:47
楼主没说一定要用Python啊。。。吱吱，还不会Python

嗯嗯，用C很厉害的。

xuefu

byron 发表于 2013-12-13 08:55
你这是C啊？

楼主没说一定要用Python啊。。。吱吱，还不会Python

歪脑特

1. # Randomly pick m numbers from 1~n. 1<=m<=n.
   
2. 
   
3. import random
   
4. 
   
5. n = int(input("Input a value for n: "))
   
6. m = int(input("Input a value for m: "))
   
7. 
   
8. L = list(range(1,n))
   
9. MList = []
   
10. 
    
11. for i in range(m):
    
12.     tmp = random.choice(L)
    
13.     if tmp in MList:
    
14.         tmp = random.choice(L)
    
15.     MList.append(tmp)
    
16. 
    
17. print(MList)

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liucy

1. import random
   
2. 
   
3. def pick(n, m):
   
4.     if 1<=m<=n:
   
5.         resultnum = []
   
6.         while(m > 0):
   
7.             resultnum.append(random.randint(1,n))
   
8.             m = m - 1
   
9.         return (resultnum)
   
10.     else:
    
11.         print "Please make sure 1<=m<=n"
    
12. 
    
13. if __name__ == "__main__":
    
14.     n = int(input ("Please input a number n: "))
    
15.     m = int(input ("Please input a number(Make sure 1<=m<=n) m: "))
    
16.     print "Your result number is: " + str(pick(n, m))
    

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TongShan

1. import random
   
2. 
   
3. def ball(n, m):
   
4.     ball = random.sample(range(1, n+1), m)
   
5.     ball.sort()
   
6.     print ball

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byron

xuefu 发表于 2013-12-13 01:11
明显得到的数可能会重复。。。

你这是C啊？

xuefu

judy 发表于 2013-12-12 23:27
import random
def tool():
    m=input("需要几个数：")

明显得到的数可能会重复。。。

xuefu

1. #include <assert.h>
   
2. #include <stdio.h>
   
3. #include <stdlib.h>
   
4. #include <time.h>
   
5. 
   
6. int main(int argc, const char *argv[])
   
7. {
   
8.   int a, n, m, i = 0, j = 0;
   
9.   int* secret;
   
10. 
    
11.   printf("Input n: ");
    
12.   scanf("%d", &n);
    
13. 
    
14.   assert(n > 1 || n == 1);
    
15. 
    
16.   printf("Input m: ");
    
17.   scanf("%d", &m);
    
18. 
    
19.   if(m > 0 && !(m > n))
    
20.     printf("Below is the number: \n");
    
21.   else
    
22.   {
    
23.     printf("the number m should be greater than zero and not larger than n.\n");
    
24.     exit(0);
    
25.   }
    
26. 
    
27.   secret = malloc(sizeof(int) * m);
    
28.   srand(time(NULL));
    
29. 
    
30.   while(m--)
    
31.   {
    
32.     /* generate the number you want */
    
33.     while(1)
    
34.     {
    
35.       a = rand() % n + 1;
    
36.       /* check a whether is repeated */
    
37.       for (j = 0; j < i; j++)
    
38.       {
    
39.         if (a == secret[j])
    
40.         {
    
41.           a = 0;
    
42.           break;
    
43.         }
    
44.       }
    
45.       if(a != 0)
    
46.         break;
    
47.     }
    
48.     secret[i] = a;
    
49.     printf("%d  ", secret[i++]);
    
50.   }
    
51.   printf("\n");
    
52. 
    
53.   free(secret);
    
54.   return 0;
    
55. }

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