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답안 #709752

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
709752 2023-03-14T11:31:20 Z groshi Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
0 / 100
 316 ms 262144 KB 
#include<iostream>
#include<set>
using namespace std;
set<int> drzewo[3000000];
int wynik[3000000];
int maxx=0;
int wynikk=0;
int pot=1;
void dodaj(int x)
{
    wynikk=max(wynikk,wynik[x]);
    if(drzewo[x].size()==0)
        return;
    auto it=drzewo[x].end();
    it--;
    int mam=*it;
    if(maxx==0)
    {
        maxx=mam;
        return;
    }
    auto it2=drzewo[x].lower_bound(maxx);
    if(it2!=drzewo[x].begin())
    {
        it2--;
        if(it2!=drzewo[x].end())
            wynikk=max(wynikk,maxx+*it2);
    }
    maxx=max(maxx,mam);
}
void zapp(int x,int l,int r,int a,int b)
{
    if(l>b || r<a)
        return;
    if(a<=l && r<=b)
    {
        dodaj(x);
        return;
    }
    int mid=(l+r)/2;
    zapp(x*2,l,mid,a,b);
    zapp(x*2+1,mid+1,r,a,b);
}
int32_t main()
{
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);
    int n,zap,x;
    cin>>n>>zap;
    while(pot<=n)
        pot*=2;
    pot--;
    for(int i=1;i<=n;i++)
    {
        cin>>x;
        drzewo[i+pot].insert(x);
    }
    for(int i=pot;i>=1;i--)
    {
        ///merguje i*2 z i*2+1
        wynik[i]=max(wynik[i*2],wynik[i*2+1]);
        if(drzewo[i*2].size()>0)
        {
            auto it=drzewo[i*2].end();
            it--;
            int jest=*it;
            auto it2=drzewo[i*2+1].lower_bound(jest);
            if(it2==drzewo[i*2+1].begin())
                continue;
            it2--;
            if(it2!=drzewo[i*2+1].end())
                wynik[i]=max(wynik[i],jest+*it2);
        }
        drzewo[i]=drzewo[i*2];
        for(auto it=drzewo[i*2+1].begin();it!=drzewo[i*2+1].end();it++)
            drzewo[i].insert(*it);
    }
    while(zap--)
    {
        int x,y,z;
        cin>>x>>y>>z;
        maxx=0;
        wynikk=0;
        zapp(1,pot+1,pot*2+1,x+pot,y+pot);
        if(wynikk>z)
            cout<<"0\n";
        else cout<<"1\n";
    }
    return 0;
}

Subtask #1
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 62 ms 141216 KB Output is correct
2 Correct 61 ms 141128 KB Output is correct
3 Incorrect 64 ms 141188 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 62 ms 141216 KB Output is correct
2 Correct 61 ms 141128 KB Output is correct
3 Incorrect 64 ms 141188 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 316 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 244 ms 155852 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 62 ms 141216 KB Output is correct
2 Correct 61 ms 141128 KB Output is correct
3 Incorrect 64 ms 141188 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 62 ms 141216 KB Output is correct
2 Correct 61 ms 141128 KB Output is correct
3 Incorrect 64 ms 141188 KB Output isn't correct
4 Halted 0 ms 0 KB -