Submission #162103

#	Time	Username	Problem	Language	Result	Execution time	Memory
162103		Nordway	Cave (IOI13_cave)	C++14	46 / 100	26 ms	512 KiB

cave

#include "cave.h"

#include <bits/stdc++.h>

#define x first
#define y second
#define pb push_back
#define mp make_pair
#define sz(v) v.size()
#define all(v) v.begin(),v.end()

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;

const int inf=2e9;
const int N=5111;

int a[N],d[N];

void exploreCave(int n){
  for(int i=0;i<n;i++){
    a[i]=0;
    d[i]=-1;
  }
  int x=tryCombination(a);
  while(1){
    if(x==-1)break;
    for(int i=0;i<n;i++){
      int y;
      if(d[i]==-1){
        a[i]=1;
        y=tryCombination(a);
        if(y<x)d[i]=y;
        if(y>x||y==-1){
          d[i]=x;
          x=y;
          break;
        }
        a[i]=0;
      }
    }
  }
  for(int i=0;i<n;i++){
    if(d[i]==-1){
      a[i]=1;
      x=tryCombination(a);
      d[i]=x;
      a[i]=0;
    }
  }
  answer(a,d);
}

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