An easy problem

An easy problem

Time Limit:3000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u

Submit Status

Description

When Teddy was a child , he was always thinking about some simple math problems ,such as “What it’s 1 cup of water plus 1 pile of dough ..” , “100 yuan buy 100 pig” .etc.. 
An easy problem
One day Teddy met a old man in his dream , in that dream the man whose name was“RuLai” gave Teddy a problem :

Given an N , can you calculate how many ways to write N as i * j + i + j (0 < i <= j) ?

Teddy found the answer when N was less than 10…but if N get bigger , he found it was too difficult for him to solve. 
Well , you clever ACMers ,could you help little Teddy to solve this problem and let him have a good dream ? 

Input

The first line contain a T(T <= 2000) . followed by T lines ,each line contain an integer N (0<=N <= 10 10).

Output

For each case, output the number of ways in one line.

Sample Input

2
1
3

Sample Output

0
1
#include<iostream>
#include<stdio.h>
#include<math.h>
using namespace std;
int main()
{
int t;
cin>>t;
while(t--)
{
long long n;
scanf("%I64d",&n);
n++;
int ans=;
long long m=sqrt(n);
for(long long i=;i<=m;i++)
{
if(n%i==) ans++;
}
printf("%d\n",ans);
}
}

n=i*j+i+j

==>n+1=(i+1)*(j+1)

 
上一篇:js中跳转


下一篇:UVa 11991:Easy Problem from Rujia Liu?(STL练习,map+vector)