제출 #285382

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
285382		ec1117	동굴 (IOI13_cave)	C++17	0 / 100	2083 ms	384 KiB

cave

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

using namespace std;

typedef long long ll;
typedef long double ld;
typedef complex<ld> cd;

typedef pair<int, int> pi;
typedef pair<ll,ll> pl;
typedef pair<ld,ld> pd;

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<cd> vcd;

#define For(i, a) for (int i=0; i<(a); i++)
#define Ford(i,a) for (int i = (a); i >= 0; i--)
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)

#define sz(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define ins insert

const int MOD = 1000000007;
const char nl = '\n';
const int MX = 5001; //check the limits, dummy

int cur, m[MX], r[MX];
void exploreCave(int n){
    For(i,n)m[i]=-1;
    int tmp[n];For(i,n)tmp[i]=0;

    while(cur!=n){//do each door
        For(i,n)tmp[i]=(m[i]==-1?0:r[i]);
        int tmp3=tryCombination(tmp);
        bool c=tmp3==cur;//true if cur is closed
        int l=0, r=n-cur-1;
        while(l!=r){//find which switch corresponds to which door
            int tmp2=0;
            for(int j=0;j<=r;j++){
                while(m[j]!=-1)tmp2++;
                if(j>=l){
                    if(j<(l+r)/2)tmp[tmp2]=1;
                    else tmp[tmp2]=0;
                }
                tmp2++;
            }
            if(c^(tryCombination(tmp)>cur))r=(l+r)/2;// co or oc
            else l=(l+r)/2+1;
        }
        m[l]=cur;
        cur++;
    }
    answer(m,r);
}
//int main() {
//    ios_base::sync_with_stdio(0); cin.tie(0);
//
//    int T; cin >> T;
//    while(T--) {
//
//    }
//
//    return 0;
//}

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