PATA1124题解

字符串的映射

//
//  main.cpp
//  PATA1124
//
//  Created by Phoenix on 2018/2/25.
//  Copyright © 2018年 Phoenix. All rights reserved.
//

#include <iostream>
#include <cstdio>
#include <string>
#include <map>
using namespace std;
int m, n, s;
string str[1010];

int main(int argc, const char * argv[]) {
    scanf("%d %d %d", &m, &n, &s);
    map<string, int> mp;
    for(int i = 0; i < m; i++) {
        cin >> str[i];
        mp[str[i]] = 0;
    }
    if(m < s){
        printf("Keep going...\n");
    } else {
        int i = s - 1;
        while(i < m) {
            if(mp[str[i]] == 0) {
                cout << str[i] << endl;
                mp[str[i]] = 1;
                i += n;
            } else {
                i++;
            }
        }
    }
    return 0;
}