제출 #292109

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
292109		CSQ31	콤보 (IOI18_combo)	C++17	0 / 100	1 ms	204 KiB

combo

#pragma GCC optimize("Ofast") 
#include "combo.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define sz(a) a.size()
#define all(a) a.begin(),a.end()
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define INF (ll)(1e18)
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
ll gcd(ll a,ll b){if(!b)return a;else return gcd(b,a%b);}
string guess_sequence(int n){
	char fst;
	if(press("AB") >= 1){
		if(press("A")==1)fst='A';
		else fst = 'B';
	}else{
		if(press("X")==1)fst='X';
		else fst = 'Y';
	}
	string s;
	for(char j:{'A','B','X','Y'}){
		if(j != fst)s+=j;
	}
	string res;
	res+=fst;
	
	for(int i=1;i+2<=n;i+=2){
		string p = res+s[0]+s[1]+res+s[0]+s[2]+res+s[1];
		int now = press(p);
		if(now == i+2){
			if(press(res+s[0]+s[1]) == 2)res+=s[0]+s[1];
			else res+=s[0]+s[2];
		}else if(now == i+1){
			if(press(res+s[1]+s[0]) == 2)res+=s[1]+s[0];
			else res+=s[1]+s[2];
		}else{
			if(press(res+s[2]+s[0]) == 2)res+=s[2]+s[0];
			else res+=s[2]+s[1];
		}
	}
	if((int)(res.length()) != n){
	if(press("AB") >= 1){
		if(press("A")==1)res+="A";
		else res+="B";
	}else{
		if(press("X")==1)res+="X";
		else res+= "Y";
	}
}
	return res;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 95