Submission #34803

#	Time	Username	Problem	Language	Result	Execution time	Memory
34803		SYury	Cave (IOI13_cave)	C++11	46 / 100	24 ms	644 KiB

cave

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

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef long double dbl;
typedef pair<int, int> pii;


#define forn(i, n) for (int i = 0; i < (int)(n); ++i)
#define sqr(x) (x)*(x)
#define F(i, l, r) for(int i = (l); i < (r); i++)
#define DF(i, l, r) for(int i = (l); i > (r); i--)
#define I(x, a) for(auto x : (a))
#define mp make_pair
#define X first
#define Y second
#define clean(x) memset((x), 0, sizeof(x))
#define ret return
#define cont continue
#define brk break
#define ins insert
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()
#define sync ios_base::sync_with_stdio(false);cin.tie(0)
#define pb push_back
#define fin(x) freopen(x, "r", stdin)
#define fout(x) freopen(x, "w", stdout)
#define y1 fjfg

const int maxn = 5e3 + 3;

int state[maxn], known[maxn];
int what[maxn];

void exploreCave(int n){
	F(i, 0, n)state[i] = 0;
	F(i, 0, n)known[i] = -1;
  bool w = true;
	while(true){
		int k = tryCombination(state);
      	if(k == -1)k = n;
      	bool fa = true;
		if(w)F(i, 0, n){
			if(known[i] != -1)cont;
			fa = false;
			state[i] = 1 - state[i];
			int j = tryCombination(state);
          	if(j == -1)j = n;
			state[i] = 1 - state[i];
			if(j < k){known[i] = state[i]; what[i] = j;}
			if(j > k){known[i] = 1 - state[i]; state[i] = 1 - state[i]; what[i] = k; k = j;}
           		}
      	else DF(i, n - 1, -1){
			if(known[i] != -1)cont;
			fa = false;
			state[i] = 1 - state[i];
			int j = tryCombination(state);
          	if(j == -1)j = n;
			state[i] = 1 - state[i];
			if(j < k){known[i] = state[i]; what[i] = j;}
			if(j > k){known[i] = 1 - state[i]; state[i] = 1 - state[i]; what[i] = k; k = j;}
           		}
      	w = !w;
		if(fa)brk;
	}
	answer(known, what);
}

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