Submission #1171121

#	Time	Username	Problem	Language	Result	Execution time	Memory
1171121		SmuggingSpun	Chameleon's Love (JOI20_chameleon)	C++20	4 / 100	12 ms	436 KiB

chameleon

#include "chameleon.h"
#include<bits/stdc++.h>
using namespace std;
void Solve(int n){
    vector<int>p(1, 1);
    for(int i = 2, pre_ans = 1; i <= (n << 1); i++){
        p.emplace_back(i);
        if(Query(p) == pre_ans){
            p.pop_back();
            int low = 0, high = int(p.size()) - 2, pos = high + 1;
            while(low <= high){
                int mid = (low + high) >> 1;
                vector<int>pp;
                for(int j = 0; j <= mid; j++){
                    pp.emplace_back(p[j]);
                }
                pp.emplace_back(i);
                if(Query(pp) == pp.size()){
                    low = mid + 1;
                }
                else{
                    high = (pos = mid) - 1;
                }
            }
            Answer(p[pos], i);
        }
        else{
            pre_ans++;
        }
    }
}

• Subtask 1: 4 / 4
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 36