Submission #994899

#	Time	Username	Problem	Language	Result	Execution time	Memory
994899		NintsiChkhaidze	Library (JOI18_library)	C++17	19 / 100	262 ms	428 KiB

library

#include "library.h"
#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
using namespace std;

int n;

void Solve(int N){
	n = N;
	
	vector<int> ans(N),fix(N),del(N);
	for(int i = 0; i < N; i++) {
		ans[i] = fix[i] = 0;
	}
	
	int cnt = 0;
	for (int i = 0; i < N; i++){
		vector <int> M(N);
		for (int j=0;j<N;j++){
			M[j] = 1;
		}
		
		M[i] = 0;
		int A;
		if (N == 1) A = 1;
		else A = Query(M);
		 
		if (A == 1){
			++cnt;
			fix[i] = 1;
			if (cnt == 1) ans[0] = i;
			else {ans[N - 1] = i; break;}
		}
	}
	
	for (int i = 0; i + 2 < N; i++){

		int find = 0;
		for (int j = 0; j < 10; j++){
			vector <int> M(N);
			int ones=0;
			for (int w = 0; w < N; w++){
				M[w] = 0;
				if (fix[w]) M[w] = 0;
				else {
					int bt = ((w >> j) & 1);
					if (bt) M[w] = 1,++ones;
				}
			}
			
			M[ans[i]] = 1;
			ones++;
			if (ones == 1) continue;
			
			int A = Query(M);
			
			M[ans[i]] = 0;
			ones--;
			int B;
			if (ones == 0) B = 0;
			else B = Query(M);
			
			if (A == B) find |= (1<<j);
		}
		
		fix[find] = 1;
		ans[i + 1] = find;
	}
	
	for (int i=0;i<N;i++)
		ans[i] += 1;
	Answer(ans);
}

• Subtask 1: 19 / 19
• Subtask 2: 0 / 81