UVA489 Hangman Judge

#include<stdio.h>
#include<string.h>
#include<iostream>
#include<algorithm>
using namespace std;
#define maxn 100
char ans[100],s[maxn];
int leftt,chance,win,lose;

void guess(char ch){
    int bad=1;
    for(int i=0;i<strlen(ans);i++){
        if(ans[i]==ch){
            ans[i]=' ';
            bad=0;
            leftt--;
        }
    }
    if(bad) chance--;
    if(!chance) lose=1;
    if(!leftt) win=1;
}
int main()
{
    int rnd;
    while(~scanf("%d",&rnd)){
        if(rnd==-1) break;
        scanf("%s%s",ans,s);
        //cout<<ans<<endl<<s<<endl;
        printf("Round %d\n",rnd);
        win=lose=0;
        leftt=strlen(ans);
        chance=7;
        for(int i=0;i<strlen(s);i++){
            guess(s[i]);
            if(win||lose)
                break;
        }
        if(win) puts("You win.");
        else if(lose) puts("You lose.");
        else puts("You chickened out.");
    }
    return 0;
}