zoj 1078 Palindrom Numbers

#include<stdio.h>int s[50000];int main(){    int n;    while(scanf("%d",&n)!=EOF,n)    {        int base[16];    int i,k=0;        for(i=2;i<=16;i++)        { int j=0,tmp=n; for(j;tmp;j++) {     s[j]=tmp%i;     tmp/=i; } tmp=j; for(j=0;j<tmp/2;j++) {     if(s[j]!=s[tmp-1-j])         break; } if(j>=tmp/2){     base[k]=i;     k++; }        }        if(k)        { printf("Number %d is palindrom in basis",n); for(i=0;i<k;i++)     printf(" %d",base[i]); printf("n");        }        else printf("Number %d is not a palindromn",n);    }    return 0;}