Submission #899553

#	Time	Username	Problem	Language	Result	Execution time	Memory
899553		SuPythony	Combo (IOI18_combo)	C++17	10 / 100	32 ms	1460 KiB

combo

#include<bits/stdc++.h>
 
int press(std::string p);

std::string guess_sequence(int n) {
    std::string ans="";
    if (press("A")) ans="A";
    else if (press("B")) ans="B";
    else if (press("X")) ans="X";
    else ans="Y";
    std::string f=ans;
    int l=1;
    while (l<n) {
        if (f!="A"&&press(ans+"A")>l) {
            ans+="A";
        } else if (f!="B"&&press(ans+"B")>l) {
            ans+="B";
        } else if (f!="X"&&press(ans+"X")>l) {
            ans+="X";
        } else {
            ans+="Y";
        }
        l++;
    }
    return ans;
}

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