Submission #1193813

#	Time	Username	Problem	Language	Result	Execution time	Memory
1193813		elotelo966	콤보 (IOI18_combo)	C++20	100 / 100	7 ms	484 KiB

combo

#include <bits/stdc++.h>
#include "combo.h"
using namespace std;

//#define int long long
#define OYY LLONG_MAX
#define faster ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define fi first
#define se second
#define FOR for(int i=1;i<=n;i++)
#define mid (start+end)/2
#define pb push_back
#define lim 400005

const int mod=1000000007;

char dizi[4]={'A','B','X','Y'};

//~ inline int press(string s){
	//~ cout<<s<<endl;
	//~ int x;cin>>x;
	//~ return x;
//~ }

std::string guess_sequence(int N) {
	int n=N;
	string cev="";
	if(press("AB")){
		if(press("A"))cev+='A';
		else{
			cev+='B';
			swap(dizi[0],dizi[1]);
		}
	}
	else{
		if(press("X")){
			cev+='X';
			swap(dizi[0],dizi[2]);
		}
		else{
			cev+='Y';
			swap(dizi[0],dizi[3]);
		}
	}
	
	if(n==1){
		return cev;
	}
	
	for(int i=2;i<=n-1;i++){
		string sor="";
		for(int j=1;j<=3;j++){
			sor+=cev;
			sor+=dizi[1];
			sor+=dizi[j];
		}
		sor+=cev;
		sor+=dizi[2];
		int tut=press(sor);
		if(tut==i+1){
			cev+=dizi[1];
		}
		else if(tut==i){
			cev+=dizi[2];
		}
		else{
			cev+=dizi[3];
		}
	}
	
	if(press(cev+dizi[1]+cev+dizi[2])==n){
		if(press(cev+dizi[1])==n){
			return cev+dizi[1];
		}
		return cev+dizi[2];
	}
	else{
		return cev+dizi[3];
	}
}

//~ int32_t main(){
	//~ faster
	//~ int n;cin>>n;
	//~ cout<<guess_sequence(n)<<'\n';
	//~ return 0;
//~ }

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