Submission #1097614

#	Time	Username	Problem	Language	Result	Execution time	Memory
1097614		0pt1mus23	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	100 / 100	666 ms	116584 KiB

sortbooks

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ins insert      
#define pb push_back

#define putr(x) cout<<x<<endl;return; 
#define all(x) x.begin(),x.end()
#define endl '\n'
#define _ << " " <<

const int mod = 1e9+7,
            sze = 1e6 +23*2,    
            inf = 1e9,    
            L = 23 ;

int T[sze+23];
void upd(int node,int v){
    for(++node;node>0;node-=(node & -node)){
        T[node]=max(T[node],v);
    }
}
int qry(int node){
    int mx=0;
    for(++node;node<=sze; node +=(node & -node)){
        mx=max(mx,T[node]);
    }
    return mx;
}
void _0x0(){
    int n,q;
    cin>>n>>q;
    vector<int> arr(n);
    vector<int> ans(q,0);
    for(int i=0;i<n;i++){
        cin>>arr[i];
    }
    vector< vector< pair< pair<int,int>, int> > > event(n+10);
    int idx=0;
    while(q--){
        int l,r,k;
        cin>>l>>r>>k;
        --l;--r;
        event[r].pb( { {l,k}, idx++} );
    }
    vector<int> lst;
    for(int i=0;i<n;i++){
        while(!lst.empty() && arr[lst.back()]<=arr[i]){
            lst.pop_back();
        }
        if(!lst.empty()){
            upd(lst.back(), arr[lst.back()] + arr[i]);
        }
        lst.pb(i);
        for(auto v:event[i]){
            if(qry(v.first.first)<=v.first.second){
                ans[v.second]=1;
            }
        }
    }

    for(auto v:ans)cout<<v<<endl;
}
 
signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int tt = 1;
    // cin>>tt;
    while(tt--){
        _0x0();
    }
 
    return 0;
}

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 13 / 13
• Subtask 4: 17 / 17
• Subtask 5: 30 / 30
• Subtask 6: 23 / 23