#include<stdio.h>
main()
{
    long n,r,i,j,k[33],f;
    while(scanf("%d%d",&n,&r)!=EOF)
    {
        if(r<10&&r>=2)
        {
            i=1;
            do
            {
                k[i]=n%r;
                n=n/r;
                i++;
            }while(n!=0);
            f=0;
            for(j=i-1;j>=1;j--)
            {
                f=10*f+k[j];
            }
            printf("%ld\n",f);
        }
        else if(r>10&&r<=16)
        {
            i=1;
            do
            {
                k[i]=n%r;
                n=n/r;
                i++;
            }while(n!=0);
            for(j=i-1;j>=1;j--)
            {
                if(k[j]>9)
                {
                    k[j]=k[j]+55;
                    printf("%c",k[j]);
                }
                else
                printf("%d",k[j]);
            }
            printf("\n");
        }
        else
        printf("\n");
    }
}




这个转化进制那里错了？帮忙看看

好像更不对了，输出有问题！