online_judge_1076

#include <stdio.h>#include <stdlib.h>int a[1000];int i,j,value;void jieCheng(int n){    if(n==0)    {        printf("1\n");        return;    }    a[0]=1;    for(i=1;i<1000;i++)        a[i]=0;    for(i=2;i<=n;i++)    {        value=0;        for(j=0;j<=n;j++)            a[j]=a[j]*i;        for(j=0;j<n;j++)        {            value=a[j]/1000;            a[j+1]+=value;            a[j]%=1000;        }    }    for(i=n-1;a[i]==0;i--);    printf("%d",a[i]);    for(j=i-1;j>=0;j--)        printf("%03d",a[j]);    printf("\n");}int main(){    int n;    while(~scanf("%d",&n))    {        if(n<0||n>1000) continue;        jieCheng(n);    }    return 0;}