제출 #1310773

#제출 시각아이디문제언어결과실행 시간메모리
1310773nataliaa동굴 (IOI13_cave)C++20
0 / 100
109 ms512 KiB
#include "cave.h"
#include<bits/stdc++.h>
using namespace std;
void exploreCave(int N) {
    int v[N]={};
    int a[N] ={};
    int vis[N]={};
    for(int i = 0; i < N; i++) {
        for(int j =0; j < N; j++) {
            if(!vis[j]) a[j] = 0;
        }
        int ind = 0;
        int k = tryCombination(a);
        for(int j =0; j < N; j++) {
            if(vis[j]!=-1) a[vis[j]] = (a[vis[j]]+1)%2;
        }
        if(k>=i||k==-1) ind = 1; 
        int l = 0, r= N-1;
        while(l<=r) {
            int m = (l+r)/2;
            for(int j =l; j <= m; j++) {
                if(!vis[j]) a[j] = ind;
            }
            k = tryCombination(a);
            for(int j =l; j <= m; j++) {
                if(!vis[j]) a[j] = ind;
            }
            if(k >= i||k==-1) r = m-1;
            else l=m+1;
        }
        vis[i] = l;
        a[l] = ind;
        v[l] =1;
    }
     answer( a,v);
}
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