Submission #821099

#	Time	Username	Problem	Language	Result	Execution time	Memory
821099		ono_de206	Ancient Machine 2 (JOI23_ancient2)	C++17	10 / 100	105 ms	692 KiB

ancient2

#include "ancient2.h"
#include<bits/stdc++.h>
using namespace std;

#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second

//#define int long long

typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;

int ask(vector<int> a, vector<int> b) {
	return Query((int)a.size(), a, b);
}

string Solve(int n) {
	vector<int> a, b;
	int l = 0;
	string ans = "";
	auto getNext = [&]() -> char {
		int m = (int)a.size();
		a.pb(m + 2);
		b.pb(m + 1);
		for(int i = 0; i < 2; i++) {
			a.pb(m + i + 1);
			b.pb(m + i + 1);
		}
		int ret = ask(a, b);
		for(int i = 0; i < 3; i++) {
			a.pop_back();
			b.pop_back();
		}
		return (ret == m + 2 ? '0' : '1');
	};
	for(int i = 0; i < n; i++) {
		ans.pb(getNext());
		a.pb(i + 1);
		b.pb(i + 1);
	}
	return ans;
}

Compilation message (stderr)

ancient2.cpp: In function 'std::string Solve(int)':
ancient2.cpp:27:6: warning: unused variable 'l' [-Wunused-variable]
   27 |  int l = 0;
      |      ^

• Subtask 1: 10 / 100