uva 489.Hangman Judge 解题报告

题目链接：https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=430

 #include <iostream>
 #include <cstdio>
 #include <cstring>
 #include <cstdlib>
 using namespace std;

 const int maxn = ;

 int l, chance;
 char s[maxn], s2[maxn];
 int win, lose;

 void guess(char ch)
 {
     int bad = ;
     for (int i = ; i < strlen(s); i++) {
         if (s[i] == ch) {
             l--;
             s[i] = '#';
             bad = ;
         }
     }
     if (bad) --chance;
     if (!chance) lose = ;
     if (!l) win = ;
 }

 int main()
 {
     int rnd;
     #ifndef ONLINE_JUDGE
         freopen("in.txt", "r", stdin);
     #endif // ONLINE_JUDGE
     while (scanf("%d%s%s", &rnd, s, s2) ==  && rnd != -) {
         printf("Round %d\n", rnd);
         win = lose = ;
         l = strlen(s);
         chance = ;
         for (int i = ; i < strlen(s2); i++) {
             guess(s2[i]);
             if (win || lose) break;
         }

         if (win) printf("You win.\n");
         else if (lose) printf("You lose.\n");
         else printf("You chickened out.\n");
     }
     return ;
 }