Submission #101611

#	Time	Username	Problem	Language	Result	Execution time	Memory
101611		lolicon	Combo (IOI18_combo)	C++14	30 / 100	67 ms	428 KiB

combo

#include "combo.h"
#include<algorithm>

std::string guess_sequence(int N){
    std::string s, p, c = {"ABXY"};
    int i,j;
    for(i=0;i<3;i++){
        if(press(s+c[i]) == 1) break;
    }
    s += c[i];
    std::swap(c[3],c[i]);
    int coin = 1;
    for(i=1;i<N;i++){
        for(j=0;j<2;j++){
            if(press(s+c[j]) == coin+1) break;
        }
        s+=c[j];
        coin++;
    }
    return s;
}

• Subtask 1: 5 / 5
• Subtask 2: 25 / 95