oj.uz

Submission #941022

# Submission time Handle Problem Language Result Execution time Memory
941022 2024-03-08T05:15:00 Z socpite Toxic Gene (NOI23_toxic) C++17
45.7412 / 100
 10 ms 600 KB 
#include<bits/stdc++.h>
#include"toxic.h"
using namespace std;

mt19937 rng(69420);

int query_sample(vector<int> species);

int h[301];

int shuffled_query(vector<int> speices){
	for(auto &v: speices)v = h[v];
	return query_sample(speices);
}

void shuffled_answer(int x, char c){
	answer_type(h[x], c);
}

void determine_type(int n){
    int l = 1, r = n;
	iota(h+1, h+n+1, 1);
	// shuffle(h+1, h+n+1, rng);
    vector<int> vec(n);
    vector<bool> done(n+1, 0);
    iota(vec.begin(), vec.end(), 1);
    while(l < r){
        int mid = (l+r)>>1;
		int tmp = shuffled_query(vector<int>(vec.begin() + l - 1, vec.begin() + mid));
        if(tmp != mid - l + 1)r = mid;
        else l = mid+1;
    }
    vec.erase(vec.begin() + l - 1);
    shuffled_answer(l, 'T');
	// vector<int> missing;
    while(!vec.empty()){
		// shuffle(vec.begin(), vec.end(), rng);
        vector<int> sampling;
        vector<int> species;
        vector<int> missing;
        for(int i = 0; i < min<int>(8, vec.size()); i++){
            sampling.push_back(vec[i]);
            for(int _ = 0; _ < (1<<i); _++)species.push_back(vec[i]);
        }
		for(int i = 0; i < sampling.size(); i++)vec.erase(vec.begin());
        int tot1 = shuffled_query(species);
        if(tot1 == species.size()){
            species.push_back(l);
            int tot2 = shuffled_query(species);
            for(int i = 0; i < sampling.size(); i++){
                if((tot1&tot2)&(1<<i))shuffled_answer(sampling[i], 'S');
                else shuffled_answer(sampling[i], 'R');
            }
        }
        else {
            for(int i = 0; i < sampling.size(); i++){
                if(tot1&(1<<i)){
                    shuffled_answer(sampling[i], 'S');
                }
                else missing.push_back(sampling[i]);
            }
			shuffle(missing.begin(), missing.end(), rng);
            int ql = 0, r = missing.size()-1;
            while(ql < r){
                int mid = (ql+r)>>1;
                if(!shuffled_query(vector<int>(missing.begin(), missing.begin() + mid + 1)))r = mid;
                else ql = mid+1;
            }
            for(int i = 0; i <= ql; i++){
                if(i < ql)shuffled_answer(missing[i], 'R');
                else shuffled_answer(missing[i], 'T');
            }
			for(int i = ql+1; i < missing.size(); i++)vec.push_back(missing[i]);
        }
    }
}

Compilation message

toxic.cpp: In function 'void determine_type(int)':
toxic.cpp:45:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |   for(int i = 0; i < sampling.size(); i++)vec.erase(vec.begin());
      |                  ~~^~~~~~~~~~~~~~~~~
toxic.cpp:47:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |         if(tot1 == species.size()){
      |            ~~~~~^~~~~~~~~~~~~~~~~
toxic.cpp:50:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |             for(int i = 0; i < sampling.size(); i++){
      |                            ~~^~~~~~~~~~~~~~~~~
toxic.cpp:56:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |             for(int i = 0; i < sampling.size(); i++){
      |                            ~~^~~~~~~~~~~~~~~~~
toxic.cpp:73:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |    for(int i = ql+1; i < missing.size(); i++)vec.push_back(missing[i]);
      |                      ~~^~~~~~~~~~~~~~~~

Subtask #1
45.74117647 / 100.0

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