coderforce 535A. Tavas and Nafas

题意：对应数字，输出英文

#include<stdio.h>
#include<string.h>
#include<algorithm>
using namespace std;
int main()
{
    char s1[20][10]={"one","two","three","four","five","six","seven","eight","nine","ten","eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen"};
    char s2[10][10]={"twenty","thirty","forty","fifty","sixty","seventy","eighty","ninety"};
    int n;
    while(scanf("%d",&n)!=EOF)
    {
        if(n==0)
        {
            printf("zero\n");
            continue;
        }
        if(n<20)
        {
            printf("%s\n",s1[n-1]);
        }
        else
        {
            int x=n%10;
            int y=n/10;
            if(x==0)
            {
                printf("%s\n",s2[y-2]);
            }
            else
            {
                printf("%s-%s\n",s2[y-2],s1[x-1]);
            }
        }
    }
    return 0;
}