hdu 2601 An easy problem

Posted 2020-09-29 liguangsunls

#include <stdio.h>
#include <string.h>
#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <string>
#include <math.h>
#include <stdlib.h>
#include <time.h>
using namespace std;

int main()
{
    //freopen("in.txt","r",stdin);
    //freopen("out.txt","w",stdout);
    int _;
    __int64 n,i,t;
    scanf("%d\n",&_);
    while(_--)
    {
        scanf("%I64d",&n);
        n+=1;
        int cnt=0;
        for(i=2;i*i<=n;i++)
        {
            if(n%i==0) cnt++;
        }
        printf("%d\n",cnt);
    }
    return 0;
}