Submission #1089871

#	Time	Username	Problem	Language	Result	Execution time	Memory
1089871		lucri	Zalmoxis (BOI18_zalmoxis)	C++17	100 / 100	262 ms	50656 KiB

zalmoxis

#include <bits/stdc++.h>
using namespace std;
int n,k,v[1000010];
vector<int>ad[1000010];
vector<pair<int,int>>val[35];
void scrie(int val)
{
    if(val==0||k==0)
    {
        cout<<val<<' ';
        return;
    }
    --k;
    scrie(val-1);
    scrie(val-1);
    return;
}
int main()
{
    cin>>n>>k;
    for(int i=1;i<=n;++i)
    {
        cin>>v[i];
        val[v[i]].push_back({i,i});
    }
    for(int va=0;va<=29;++va)
    {
        sort(val[va].begin(),val[va].end());
        int sz=val[va].size();
        for(int i=0;i<sz;++i)
        {
            if(i+1==sz||val[va][i].second+1!=val[va][i+1].first)
            {
                --k;
                ad[val[va][i].second].push_back(va);
                val[va+1].push_back(val[va][i]);
            }
            else
            {
                val[va+1].push_back({val[va][i].first,val[va][i+1].second});
                ++i;
            }
        }
        val[va].clear();
    }
    if(k<0)
        return -1;
    if(val[30].size()!=1)
        return -1;
    if(val[30][0].first!=1||val[30][0].second!=n)
        return -1;
    for(int i=1;i<=n;++i)
    {
        cout<<v[i]<<' ';
        for(auto x:ad[i])
            scrie(x);
    }
    return 0;
}

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70