题目1082：代理服务器

#include <stdio.h>
#include <string.h>
   
int main(void){
    int m, n;
    char server[5000][16];
    char agency[1000][16];
    int i;
    int result, max, index, flag, start;
   
    while (scanf ("%d", &n) != EOF){
        for (i=0; i<n; ++i)
            scanf ("%s", agency[i]);
        scanf ("%d", &m);
        for (i=0; i<m; ++i)
            scanf ("%s", server[i]);
        if (n == 1){
            for (i=0; i<m && (strcmp (agency[0], server[i])!=0); ++i)
                continue;
            if (i < m) printf ("-1\n");
            else printf ("0\n");
        }
        else{
            flag = 1;
            result = start = 0;
            while (flag){
                max = -1;
                flag = 0;
                for (i=0; i<n; ++i){
                    index = start;
                    while (index < m && (strcmp (agency[i], server[index]) != 0))
                        ++index;
                    if (index > max)
                        max = index;
                }
                if (max != m){
                    flag = 1;
                    ++result;
                }
                start = max+1;
            }
            printf ("%d\n", result);
        }
    }
    return 0;
}
/**************************************************************
    Problem: 1082
    User: ahzz1207
    Language: C++
    Result: Accepted
    Time:10 ms
    Memory:1044 kb
****************************************************************/