1013 

 1 #include<iostream>
 2 #include<vector>
 3 #include<cmath>
 4 
 5 using namespace std;
 6 
 7 int main()
 8 {
 9     int M, N;
10     vector<int> prim;
11     cin >> M >> N;
12     int number = 2, cnt = 0;
13     for (; cnt != N; ++number)
14     {
15         int i = 2;
16         for (; i <= sqrt(number); ++i)
17             if (number % i == 0)
18                 break;
19         if (i > sqrt(number))
20         {
21             ++cnt;
22             if(cnt >= M && cnt <= N)
23                 prim.push_back(number);
24         }
25     }
26     cnt = 0;
27     bool flag = 0;
28     for (int i = 0; i != prim.size(); ++i)
29     {
30         ++cnt;
31         if (cnt % 10 != 1)
32             cout << " ";
33         cout << prim[i];
34         if (cnt % 10 == 0)
35             cout << endl;
36     }
37 
38     return 0;
39 }

注意输出格式

posted @ 2020-01-10 16:24  Huayra  阅读(529)  评论(0)  编辑  收藏  举报