Submission #886132

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
886132	2023-12-11T13:36:15 Z	vjudge1	Toxic Gene (NOI23_toxic)	C++17	36.6824 / 100	16 ms	600 KB

toxic

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

inline set<int> whodied(vector<int> a) {
	if(a.size()>8) return {};
	vector<int> b;
	for(int i=0; i<a.size(); i++) {
		for(int j=0; j<(1<<i); j++) b.push_back(a[i]);
	}
	int c = query_sample(b);
	c = b.size()-c;
	set<int> ans;
	for(int i=0; i<8; i++) if(c&(1<<i)) ans.insert(a[i]);
	return ans;
}

inline set<int> whodied(vector<int> a, int b) {
	if(a.size()>8) return {};
	vector<int> d;
	for(int i=0; i<a.size(); i++) {
		for(int j=0; j<(1<<i); j++) d.push_back(a[i]);
	}
	d.push_back(b);
	int c = query_sample(d);
	c = d.size()-c;
	c--;
	set<int> ans;
	for(int i=0; i<8; i++) if(c&(1<<i)) ans.insert(a[i]);
	return ans;
} 

void determine_type(int n){
	set<int> strong, normal, toxic;
	vector<int> killable, killable4, killable2;

	queue<pair<int,int>> later;
	for(int i=1; i<=n; i+=8) {
		vector<int> cur;
		for(int j=i; j<min(i+8, n+1); j++) cur.push_back(j);
		set<int> curdead = whodied(cur);
		if(curdead.size()==0) {
			later.push({i, min(i+8-1, n)});
			continue;
		}
		for(int j=i; j<min(i+8, n+1); j++) {
			if(curdead.count(j)) killable.push_back(j);
			else strong.insert(j);
		}
	}
	
	for(int i=0; i<killable.size(); i+=4) {
		vector<int> cur;
		for(int j=i; j<min(i+4, (int)killable.size()); j++) cur.push_back(killable[j]);
		set<int> curdead = whodied(cur);
		if(curdead.size()==0) {
			for(int j=i; j<min(i+4, (int)killable.size()); j++) {
				normal.insert(killable[j]);
			}
		}
		else {
			for(int j=i; j<min(i+4, (int)killable.size()); j++) killable4.push_back(killable[j]);
		}
	}

	for(int i=0; i<killable4.size(); i+=2) {
		vector<int> cur;
		for(int j=i; j<min(i+2, (int)killable4.size()); j++) cur.push_back(killable4[j]);
		set<int>curdead = whodied(cur);
		if(curdead.size()==0) {
			for(int j=i; j<min(i+2, (int)killable4.size()); j++) {
				normal.insert(killable4[j]);
			}
		}
		else {
			for(int j=i; j<min(i+2, (int)killable4.size()); j++) killable2.push_back(killable4[j]);
		}
	}

	for(int i=0; i<killable2.size(); i++) {
		vector<int> cur(1, killable2[i]);
		set<int> curdead = whodied(cur);
		if(curdead.size()==0) normal.insert(killable2[i]);
		else toxic.insert(killable2[i]);
	}

	while(!later.empty()) {
		int l = later.front().first;
		int r = later.front().second;
		later.pop();
		vector<int> cur;
		for(int i=l; i<=r; i++) cur.push_back(i);
		set<int> curdead = whodied(cur, *toxic.begin());
		for(int i=l; i<=r; i++) {
			if(curdead.count(i)) normal.insert(i);
			else strong.insert(i);
		}
	}

	for(auto x:strong) answer_type(x, 'S');
	for(auto x:normal) answer_type(x, 'R');
	for(auto x:toxic) answer_type(x, 'T');
}

Compilation message

toxic.cpp: In function 'std::set<int> whodied(std::vector<int>)':
toxic.cpp:8:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |  for(int i=0; i<a.size(); i++) {
      |               ~^~~~~~~~~
toxic.cpp: In function 'std::set<int> whodied(std::vector<int>, int)':
toxic.cpp:21:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |  for(int i=0; i<a.size(); i++) {
      |               ~^~~~~~~~~
toxic.cpp: In function 'void determine_type(int)':
toxic.cpp:52:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |  for(int i=0; i<killable.size(); i+=4) {
      |               ~^~~~~~~~~~~~~~~~
toxic.cpp:66:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |  for(int i=0; i<killable4.size(); i+=2) {
      |               ~^~~~~~~~~~~~~~~~~
toxic.cpp:80:16: 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=0; i<killable2.size(); i++) {
      |               ~^~~~~~~~~~~~~~~~~

Subtask #1

36.68235294 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Partially correct	11 ms	512 KB	Partially correct
3	Partially correct	11 ms	348 KB	Partially correct
4	Partially correct	10 ms	348 KB	Partially correct
5	Partially correct	11 ms	516 KB	Partially correct
6	Partially correct	11 ms	344 KB	Partially correct
7	Partially correct	11 ms	348 KB	Partially correct
8	Partially correct	15 ms	344 KB	Partially correct
9	Partially correct	12 ms	516 KB	Partially correct
10	Partially correct	11 ms	344 KB	Partially correct
11	Partially correct	10 ms	348 KB	Partially correct
12	Partially correct	11 ms	516 KB	Partially correct
13	Partially correct	11 ms	520 KB	Partially correct
14	Partially correct	11 ms	344 KB	Partially correct
15	Partially correct	12 ms	348 KB	Partially correct
16	Partially correct	12 ms	348 KB	Partially correct
17	Partially correct	12 ms	348 KB	Partially correct
18	Partially correct	14 ms	348 KB	Partially correct
19	Partially correct	16 ms	600 KB	Partially correct
20	Partially correct	12 ms	600 KB	Partially correct
21	Partially correct	10 ms	348 KB	Partially correct
22	Partially correct	9 ms	348 KB	Partially correct
23	Correct	8 ms	348 KB	Output is correct
24	Correct	12 ms	484 KB	Output is correct
25	Correct	11 ms	348 KB	Output is correct
26	Correct	10 ms	344 KB	Output is correct
27	Correct	10 ms	352 KB	Output is correct
28	Correct	10 ms	344 KB	Output is correct
29	Correct	11 ms	348 KB	Output is correct
30	Correct	10 ms	348 KB	Output is correct
31	Correct	11 ms	348 KB	Output is correct
32	Correct	10 ms	516 KB	Output is correct
33	Correct	10 ms	512 KB	Output is correct
34	Partially correct	12 ms	344 KB	Partially correct
35	Partially correct	14 ms	348 KB	Partially correct
36	Partially correct	2 ms	344 KB	Partially correct