Submission #289912

#	Time	Username	Problem	Language	Result	Execution time	Memory
289912		egekabas	Cave (IOI13_cave)	C++14	21 / 100	7 ms	512 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
int s[5009], d[5009];
int done[5009];
int fin = 0;

void exploreCave(int N) {
    srand(time(NULL));
    vector<int> v;
    for(int i = 0; i < N; ++i){
        s[i] = rand()%2;
        v.pb(i);
    }
    int cur = tryCombination(s);
    if(cur == -1)
        cur = 1e9+7;
    while(fin < N){
        //cout << fin << '\n';
        random_shuffle(all(v));
        for(auto u : v){
            if(done[u])
                continue;
            s[u] ^= 1;
            int newcur = tryCombination(s);
            if(newcur == -1)
                newcur = 1e9+7;
            if(newcur < cur){
                s[u] ^= 1;
                done[u] = 1;
                d[u] = newcur;
                ++fin;
            }
            else if(newcur > cur){
                done[u] = 1;
                d[u] = cur;
                cur = newcur;
                ++fin;
            }
        }
    }
    answer(s, d);
}

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