Fafa and his Company
2018-02-27 22:18
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Fafa owns a company that works on huge projects. There are n employees in Fafa's company. Whenever the company has a new project to start working on, Fafa has to divide the tasks of this project among all the employees. Fafa finds doing this every time is very tiring for him. So, he decided to choose the best l employees in his company as team leaders. Whenever there is a new project, Fafa will divide the tasks among only the team leaders and each team leader will be responsible of some positive number of employees to give them the tasks. To make this process fair for the team leaders, each one of them should be responsible for the same number of employees. Moreover, every employee, who is not a team leader, has to be under the responsibility of exactly one team leader, and no team leader is responsible for another team leader. Given the number of employees n, find in how many ways Fafa could choose the number of team leaders l in such a way that it is
4000
possible to divide employees between them evenly. Input The input consists of a single line containing a positive integer n (2 ≤ n ≤ 105) — the number of employees in Fafa's company. Output Print a single integer representing the answer to the problem. Example Input
choose 2 employees as team leaders with 4 employees under the responsibility of each of them.
choose 5 employees as team leaders with 1 employee under the responsibility of each of them.
求除自身之外因子的个数
c++:
python:
4000
possible to divide employees between them evenly. Input The input consists of a single line containing a positive integer n (2 ≤ n ≤ 105) — the number of employees in Fafa's company. Output Print a single integer representing the answer to the problem. Example Input
2Output
1Input
10Output
3Note In the second sample Fafa has 3 ways: choose only 1 employee as a team leader with 9 employees under his responsibility.
choose 2 employees as team leaders with 4 employees under the responsibility of each of them.
choose 5 employees as team leaders with 1 employee under the responsibility of each of them.
求除自身之外因子的个数
c++:
#include<iostream> using namespace std; int main() { int n; while(cin >> n) { int cnt =0; for(int i=1;i*i<=n;i++) { if(n%i==0) { if(i==1||i*i==n) cnt++; else cnt+=2; } } cout<< cnt << endl; } return 0; }
python:
tmp = input(); n = int(tmp); i = 1; cnt = 0; while i*i<=n: if n%i==0: if i==1 or i*i==n: cnt+=1; else: cnt+=2; i+=1; print(cnt);
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