답안 #977761

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
977761	2024-05-08T10:38:33 Z	CSQ31	Toxic Gene (NOI23_toxic)	C++17	93.25 / 100	14 ms	600 KB

toxic

#include "toxic.h"
#include<bits/stdc++.h>
using namespace std;
#define sz(a) (int)(a.size())
mt19937 seed(chrono::high_resolution_clock::now().time_since_epoch().count());
int rand2(int l,int r){return uniform_int_distribution<int>(l,r)(seed);}
vector<int>tox;
vector<int>leftover;
vector<int>notox;

int bquery(vector<int>v){
    int ori = sz(v);
    int c = min(8,sz(notox));

    vector<int>add;
    for(int i=0;i<c;i++){
        int x = notox.back();
        add.push_back(x);
        notox.pop_back();
        for(int j=0;j<(1<<i);j++)v.push_back(x);
    }

    int res = query_sample(v);
    if(res == sz(v)){
        for(int x:add)notox.push_back(x);
        return ori;
    }else{
        for(int i=0;i<c;i++){
            if(res & (1<<i))answer_type(add[i],'S');
            else answer_type(add[i],'R');
        }
        return 0;
    }
}
void find_toxic(vector<int>v){
   // for(int x:v)cout<<x<<" ";
   // cout<<'\n';
    if(sz(v) == 1){
        //cout<<v[0]<<'\n';
        answer_type(v[0],'T');
        tox.push_back(v[0]);
        return;
    }
    int m = sz(v)/2;
    vector<int>a,b;
    for(int i=0;i<m;i++)a.push_back(v[i]);
    for(int i=m;i<sz(v);i++)b.push_back(v[i]);
	if(rand2(0,1))swap(a,b);

    int res = bquery(a);
    if(res == sz(a)){ 
		for(int x:a)answer_type(x,'R');	
		find_toxic(b);
	}
    else {
		for(int x:b)leftover.push_back(x);
		find_toxic(a);
    }
}
void determine_type(int n){
	vector<int>p;
	for(int i=1;i<=n;i++)p.push_back(i);
	shuffle(p.begin(),p.end(),seed);
    notox.clear();
    tox.clear();

 vector<vector<int>>maybe;

    for(int i=1;i<=n;i+=8){
        vector<int>v;
        for(int j=0;j<8;j++){
            if(i+j > n)break;
            for(int k=0;k<(1<<j);k++)v.push_back(p[i+j-1]);
        }
        int res = query_sample(v);
        if(res == sz(v)){
            for(int j=0;j<8;j++){
                if(i+j > n)break;
                notox.push_back(p[i+j-1]);
            }
        }else{
            vector<int>u;
            for(int j=0;j<8;j++){
                if(i+j > n)break;
                if(res & (1<<j))answer_type(p[i+j-1],'S');
                else u.push_back(p[i+j-1]);
            }
            maybe.push_back(u);
        }
    }
	while(!maybe.empty()){
		vector<int>v = maybe.back();
		maybe.pop_back();
		int lim = 8;
		//if(sz(tox) >= 15)lim = 16;
		if(sz(tox) >= 20)lim = 12;
		
		while(!maybe.empty() && sz(v) + sz(maybe.back()) <= lim){
			vector<int>u = maybe.back();
			for(int x:u)v.push_back(x);
			maybe.pop_back();
		}
		while(true){
            leftover.clear();
            find_toxic(v);
            v = leftover;
            if(v.empty())break;
            if(bquery(v)){
                for(int x:v)answer_type(x,'R');
                break;
            }
        }
	}


    //query left out regular/strong
    while(!notox.empty()){
        vector<int>v;
        int c = min(8,sz(notox));

        vector<int>add;
        for(int i=0;i<c;i++){
            int x = notox.back();
            add.push_back(x);
            notox.pop_back();
            for(int j=0;j<(1<<i);j++)v.push_back(x);
        }
        v.push_back(tox[0]);
        int res = query_sample(v);
        for(int i=0;i<c;i++){
            if(res & (1<<i))answer_type(add[i],'S');
            else answer_type(add[i],'R');
        }
    }
}

Subtask #1

93.25 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	14 ms	348 KB	Output is correct
3	Correct	9 ms	348 KB	Output is correct
4	Correct	9 ms	348 KB	Output is correct
5	Partially correct	9 ms	348 KB	Partially correct
6	Partially correct	9 ms	516 KB	Partially correct
7	Partially correct	9 ms	348 KB	Partially correct
8	Partially correct	9 ms	348 KB	Partially correct
9	Partially correct	9 ms	348 KB	Partially correct
10	Correct	10 ms	516 KB	Output is correct
11	Partially correct	11 ms	348 KB	Partially correct
12	Partially correct	9 ms	348 KB	Partially correct
13	Partially correct	12 ms	600 KB	Partially correct
14	Correct	8 ms	348 KB	Output is correct
15	Partially correct	10 ms	344 KB	Partially correct
16	Partially correct	13 ms	344 KB	Partially correct
17	Partially correct	12 ms	348 KB	Partially correct
18	Partially correct	9 ms	348 KB	Partially correct
19	Partially correct	9 ms	348 KB	Partially correct
20	Correct	10 ms	516 KB	Output is correct
21	Correct	8 ms	348 KB	Output is correct
22	Correct	8 ms	520 KB	Output is correct
23	Correct	7 ms	348 KB	Output is correct
24	Partially correct	9 ms	516 KB	Partially correct
25	Correct	12 ms	516 KB	Output is correct
26	Correct	9 ms	348 KB	Output is correct
27	Correct	10 ms	520 KB	Output is correct
28	Correct	8 ms	348 KB	Output is correct
29	Partially correct	9 ms	348 KB	Partially correct
30	Partially correct	12 ms	348 KB	Partially correct
31	Partially correct	11 ms	348 KB	Partially correct
32	Correct	9 ms	344 KB	Output is correct
33	Correct	8 ms	344 KB	Output is correct
34	Partially correct	9 ms	348 KB	Partially correct
35	Partially correct	11 ms	512 KB	Partially correct
36	Partially correct	2 ms	348 KB	Partially correct