제출 #1306356

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1306356		khanhphucscratch	동굴 (IOI13_cave)	C++20	0 / 100	107 ms	131072 KiB

cave

#include "cave.h"
#include<bits/stdc++.h>
using namespace std;
int ask(string str)
{
    int *s = new int[str.size()];
    for(int i = 0; i < str.size(); i++) s[i] = str[i] - '0';
    return tryCombination(s);
}
void exploreCave(int n) {
    string cur = "";
    for(int i = 1; i <= n; i++) cur += "0";
    set<int> st;
    for(int i = 0; i < n; i++) st.insert(i);
    vector<int> anss(n), ansd(n);
    for(int i = 0; i < n; i++){
        for(int j : st) cur[j] = '1';
        int x = ask(cur), target = -1;
        if(x == i) target = 0;
        else target = 1;
        vector<int> candidate;
        for(int j : st) candidate.push_back(j);
        while(candidate.size() > 1){
            vector<int> le, ri;
            for(int j = 0; j < candidate.size(); j++){
                if(j < candidate.size()/2) le.push_back(candidate[j]);
                else ri.push_back(candidate[j]);
            }
            for(int j : le) cur[j] = target + '0';
            for(int j : ri) cur[j] = (target^1) + '0';
            x = ask(cur);
            if(x == i) candidate = ri;
            else candidate = le;
        }
        int p = candidate[0];
        st.erase(p);
        anss[p] = target; ansd[p] = i;
    }
    int *s = new int[n];
    int *d = new int[n];
    for(int i = 0; i < n; i++){s[i] = anss[i]; d[i] = ansd[i];}
    answer(s, d);
}

• Subtask 1: 0 / 12
• Subtask 2: 0 / 13
• Subtask 3: 0 / 21
• Subtask 4: 0 / 30
• Subtask 5: 0 / 24