Submission #95571

#	Time	Username	Problem	Language	Result	Execution time	Memory
95571		shenxy	Combo (IOI18_combo)	C++11	10 / 100	112 ms	412 KiB

combo

#include "combo.h"
#include <string>
#include <algorithm>
using namespace std;
string guess_sequence(int N) {
    string p = "";
    for (int i = 1; i <= N; ++i) {
        p += "A";
        int K = press(p);
        if (K < i) {
            p.pop_back();
            p += "B";
        } else continue;
        K = press(p);
        if (K < i) {
            p.pop_back();
            p += "X";
        } else continue;
        K = press(p);
        if (K < i) {
            p.pop_back();
            p += "Y";
        } else continue;
    }
    return p;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 95