Submission #467527

#	Time	Username	Problem	Language	Result	Execution time	Memory
467527		lordlorinc	동굴 (IOI13_cave)	C++17	0 / 100	75 ms	368 KiB

cave

#include <bits/stdc++.h>
#include "cave.h"

using namespace std;

// int main(){
//     return 0;
// }

void exploreCave(int n) {
    
    int swiches[n], partners[n];
    bool founded[n];

    fill(founded, founded + n, false);
    fill(partners, partners + n, -1);

    for (int i = 0; i < n; i++) {
        cin >> swiches[i];
    }

    for (int i = 0; i < n; i++) {
        int l = 0, r = n - 1;

        

        for (int j = 0; j < n; j++) {
            if (founded[j] == false) {
                swiches[j] = 0;
            }
        }

        int status = tryCombination(swiches) < i;

        while (l != r){
            int mid = (l + r) / 2;
            for (int j = l; j <= r; j++) {
                if (founded[j] == true) continue;
                
                if (j <= mid){
                    swiches[j] = status;
                }
                else{
                    swiches[j] = 1 - status;
                }
            }

            if (tryCombination(swiches) < i){
                l = mid + 1;
            }
            else r = mid;
        }

        founded[l] = true;
        partners[i] = l;
    }

    answer(swiches, partners);

}

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