Submission #931772

#	Time	Username	Problem	Language	Result	Execution time	Memory
931772		Aiperiii	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	0 / 100	3057 ms	42272 KiB

sortbooks

#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define pb push_back
using namespace std;
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);
    int n,q;
    cin>>n>>q;
    vector <int> a(n+1);
    for(int i=1;i<=n;i++)cin>>a[i];
    while(q--){
        int l,r,x;
        cin>>l>>r>>x;
        vector <int> v;
        for(int i=l;i<=r;i++)v.pb(a[i]);
        bool ok=1;
        set <int> st;
        for(int i=v.size()-1;i>=0;i--){
            auto it=st.lower_bound(v[i]);
            int mx_mn=0;
            if(it!=st.begin()){
                it--;
                mx_mn=*it;
            }
            if(it!=st.begin() && v[i]+mx_mn>x)ok=0;
            st.insert(v[i]);
        }
        cout<<ok<<"\n";
    }
}
/*
5 2
3 5 1 8 2
1 3 6
2 5 3
 
7 1
2 8 9 8 10 3 1
1 7 12
 2 8 9 8 10 1 3
 2 8 9 8 1 3 10
 2 8 9 1 3 8 10
 2 8 1 3 8 9 10
 2 1 3 8 8 9 10
 1 2 3 8 8 9 10
 */


         

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 30
• Subtask 6: 0 / 23