Submission #150018

#	Time	Username	Problem	Language	Result	Execution time	Memory
150018		(παρα)γεμιστά (#200)	King of Chairs (FXCUP4_chairs)	C++17	0 / 100	174 ms	48176 KiB

king

#include "king.h"
#include<map>
#include<vector>
#include<algorithm>
#include<iostream>
#define ll long long
#define rep(i,a,b) for(int i = a;i < b;i++)
#define MAXN 300003

long long SendInfo(std::vector<int> W, std::vector<int> C) {
	int n = W.size();
    int cur = 0;

    sort(W.rbegin(),W.rend());
    sort(C.rbegin(),C.rend());

	rep(i,0,n)
	{
        if(W[i] <= C[cur])
        {
            cur++;
        }
	}

	return W[n-cur];
}

vassal

#include "vassal.h"
#include<map>
#include<vector>
#include<iostream>
#include<algorithm>
#include<set>
#define ll long long
#define pi pair < ll,ll >
#define mp(a,b) make_pair(a,b)
#define rep(i,a,b) for(int i = a;i < b;i++)
#define MAXN 1000003
#define INF 1e17

using namespace std;

long long maxi;
set < pi > available;
ll seg[4*MAXN];
vector < vector < ll > > chairs(MAXN);

void update(ll low,ll high,ll pos,ll slow,ll val)
{
    if(low == high && low == slow)
    {
        seg[pos]+=val;
        return;
    }
    if(low > slow || high < slow)
        return;

    ll mid = (low+high)/2;

    update(low,mid,pos*2+1,slow,val);
    update(mid+1,high,pos*2+2,slow,val);

    seg[pos] = seg[pos*2+1]+seg[pos*2+2];
    return;
}

ll query(ll low,ll high,ll pos,ll slow)
{
    ll mid= (low+high)/2;
    if(low >= slow)
    {
        if(seg[pos] == 0)
            return -1;
        else if(low == high)
            return low;
        else if(seg[pos*2+1] > 0)
            return query(low,mid,pos*2+1,slow);
        else
            return query(mid+1,high,pos*2+2,slow);
    }
    if(high < slow)
        return -1;

    return max(query(low,mid,pos*2+1,slow),query(mid+1,high,pos*2+2,slow));
}

void Init(long long B, std::vector<int> C)
{
	int n = C.size();
	sort(C.begin(),C.end());
    maxi = B;

	rep(i,0,n)
	{
        available.insert(mp(C[i],i));
        update(0,MAXN-1,0,C[i],1);
        chairs[C[i]].push_back(i);
	}

	return;
}

int Maid(int W){
    if(W>maxi)
        return -1;
    else
    {
        ll cur = query(0,MAXN-1,0,W);
        if(cur == -1)
            return -1;
        else
        {
            update(0,MAXN-1,0,cur,-1);
            ll ch = chairs[cur][0];
            chairs[cur].erase(chairs[cur].begin());
          //  cout << W << " " << cur << endl;

            return ch;
        }
    }
}

• Subtask 1: 0 / 17
• Subtask 2: 0 / 38
• Subtask 3: 0 / 45