Submission #956123

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
956123	2024-04-01T06:20:39 Z	ono_de206	Toxic Gene (NOI23_toxic)	C++17	97.3 / 100	19 ms	600 KB

toxic

#include "toxic.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;
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
void determine_type(int n) {
	vector<int> type(n + 1, 2), sorr, dnow;
	int toxic = 0, samp;
	for(int i = 1; i <= n; i++) {
		dnow.pb(i);
	}
	random_shuffle(all(dnow));
 
	while(dnow.size()) {
		random_shuffle(all(dnow));
		vector<int> ask;
		int sz = min((int)dnow.size(), 8);
		for(int i = 0; i < sz; i++) {
			for(int j = 0; j < (1 << i); j++) {
				ask.pb(dnow[i]);
			}
		}
		int ans = query_sample(ask);
		if(ans == ask.size()) {
			for(int i = 0; i < sz; i++) {
				sorr.pb(dnow[0]);
				dnow.erase(dnow.begin());
			}
			continue;
		}
		vector<int> torr;
		for(int i = 0; i < sz; i++) {
			if(ans & (1 << i)) type[dnow[0]] = 0;
			else torr.pb(dnow[0]);
			dnow.erase(dnow.begin());
		}
		int l = 0, r = torr.size() + 1;
		while(r - l > 1) {
			int m = (l + r) / 2;
			ask.clear();
			for(int i = l; i < m; i++) {
				ask.pb(torr[i]);
			}
			int szdn = min((int)sorr.size(), 8);
			for(int i = 0; i < szdn; i++) {
				for(int j = 0; j < (1 << i); j++) {
					ask.pb(sorr[i]);
				}
			}
			ans = query_sample(ask);
			if(ans == ask.size()) {
				l = m;
			} else {
				r = m;
				for(int i = 0; i < szdn; i++) {
					if(ans & (1 << i)) type[sorr[0]] = 0;
					sorr.erase(sorr.begin());
				}
			}
		}
		type[torr[l]] = 1;
		samp = torr[l];
		for(int i = l + 1; i < torr.size(); i++) {
			dnow.pb(torr[i]);
		}
		toxic++;
		if(toxic == 30) {
			for(int x : dnow) {
				sorr.pb(x);
			}
			dnow.clear();
		}
	}
 
	while(sorr.size()) {
		vector<int> ask;
		int sz = min((int)sorr.size(), 8);
		for(int i = 0; i < sz; i++) {
			for(int j = 0; j < (1 << i); j++) {
				ask.pb(sorr[i]);
			}
		}
		ask.pb(samp);
		int ans = query_sample(ask);
		for(int i = 0; i < sz; i++) {
			if(ans & (1 << i)) type[sorr[0]] = 0;
			sorr.erase(sorr.begin());
		}
	}
 
	string str = "STR";
	for(int i = 1; i <= n; i++) {
		answer_type(i, str[type[i]]);
	}
}

Compilation message

toxic.cpp: In function 'void determine_type(int)':
toxic.cpp:41:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |   if(ans == ask.size()) {
      |      ~~~~^~~~~~~~~~~~~
toxic.cpp:68:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |    if(ans == ask.size()) {
      |       ~~~~^~~~~~~~~~~~~
toxic.cpp:80:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   80 |   for(int i = l + 1; i < torr.size(); i++) {
      |                      ~~^~~~~~~~~~~~~

Subtask #1

97.3 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	19 ms	348 KB	Output is correct
3	Correct	15 ms	348 KB	Output is correct
4	Correct	18 ms	348 KB	Output is correct
5	Partially correct	17 ms	348 KB	Partially correct
6	Correct	17 ms	348 KB	Output is correct
7	Correct	17 ms	508 KB	Output is correct
8	Correct	18 ms	348 KB	Output is correct
9	Correct	16 ms	344 KB	Output is correct
10	Correct	16 ms	348 KB	Output is correct
11	Correct	14 ms	348 KB	Output is correct
12	Correct	15 ms	348 KB	Output is correct
13	Correct	17 ms	348 KB	Output is correct
14	Correct	14 ms	348 KB	Output is correct
15	Correct	17 ms	348 KB	Output is correct
16	Correct	17 ms	512 KB	Output is correct
17	Partially correct	17 ms	348 KB	Partially correct
18	Correct	17 ms	348 KB	Output is correct
19	Correct	16 ms	508 KB	Output is correct
20	Correct	16 ms	512 KB	Output is correct
21	Correct	14 ms	508 KB	Output is correct
22	Correct	13 ms	348 KB	Output is correct
23	Correct	12 ms	512 KB	Output is correct
24	Correct	16 ms	516 KB	Output is correct
25	Correct	16 ms	344 KB	Output is correct
26	Correct	16 ms	348 KB	Output is correct
27	Correct	16 ms	544 KB	Output is correct
28	Correct	14 ms	512 KB	Output is correct
29	Partially correct	17 ms	520 KB	Partially correct
30	Correct	18 ms	516 KB	Output is correct
31	Correct	17 ms	348 KB	Output is correct
32	Correct	16 ms	512 KB	Output is correct
33	Correct	15 ms	516 KB	Output is correct
34	Correct	19 ms	348 KB	Output is correct
35	Partially correct	17 ms	348 KB	Partially correct
36	Correct	2 ms	600 KB	Output is correct