27 lines
486 B
C++
27 lines
486 B
C++
#include <iostream>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
#include <vector>
|
|
#include <algorithm>
|
|
using namespace std;
|
|
#define MAXN (100+10)
|
|
__int64 f[MAXN]={0,0,1};
|
|
__int64 h = 1000000007;
|
|
int main()
|
|
{
|
|
int t;
|
|
int n;
|
|
for (int i=3;i<=100;i++)
|
|
{
|
|
f[i]=((i-1)*f[i-1]%h+f[i-2]*(i-1)%h)%h;
|
|
}
|
|
scanf(" %d",&t);
|
|
while (t--)
|
|
{
|
|
scanf(" %d",&n);
|
|
printf("%I64d\n",f[n]);
|
|
}
|
|
}
|