Submission #805318

#	Time	Username	Problem	Language	Result	Execution time	Memory
805318		ma_moutahid	동굴 (IOI13_cave)	C++17	0 / 100	198 ms	644 KiB

cave

#include <bits/stdc++.h>
#include "cave.h"
using ll =long long;
ll LINF=1000000000000000000;
int INF=1000000000;
#define pi pair<int,int>
#define pl pair<ll,ll>
#define endl '\n'
#define vi vector<int>
#define vii vector<vector<int>>
#define vl vector<ll>
#define vll vector<vector<ll>>
//#define int ll
using namespace std;

vi correct;
int n;
void sett(int *v,int l,int r,int pos,int* location){
    for(int i=0;i<l;i++){
        v[i]=!pos;
        if(location[i]!=-1)v[i]=correct[i];
    }
    for(int i=r+1;i<n;i++){v[i]=!pos;if(location[i]!=-1)v[i]=correct[i];}
    for(int i=l;i<=r;i++){v[i]=pos;if(location[i]!=-1)v[i]=correct[i];}
}

void exploreCave(int N) {
    correct.resize(N,-1);
    n=N;
    int combination[N];
    for(int i=0;i<N;i++)combination[i]=0;
    int cave=0;
    int location[N];for(int i=0;i<n;i++)location[i]=-1;
    int t;
    t=tryCombination(combination);
    for(int i=0;i<t;i++)correct[i]=0;
    correct[t]=1;
    while (1){
        int l=0,r=N-1;
        while(l!=r){
            int m=(l+r)/2;
            sett(combination,m+1,r,correct[cave],location);
            t=tryCombination(combination);
            if(t==-1){
                answer(combination,location);
                return;
            }
            if(t>cave)l=m+1;
            else r=m;
        }
        location[cave]=l;
        for(int i=cave;i<t;i++)correct[i]=combination[i];
        correct[t]=!combination[t];
        cave++;
    }

}

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