Submission #651212

#	Time	Username	Problem	Language	Result	Execution time	Memory
651212		owoovo	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	30 / 100	3078 ms	16896 KiB

sortbooks

#include<bits/stdc++.h>
using namespace std;
int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    int n,m;
    cin>>n>>m;
    int w[1000010],sortfrom[1000010],fm=0;
    cin>>w[0];
    sortfrom[0]=0;
    for(int i=1;i<n;i++){
        cin>>w[i];
        if(w[i]<w[i-1]){
            fm=i;
        }
      sortfrom[i]=fm;
    }
    for(int i=0;i<m;i++){
        int l,r,k,isok=1;
        cin>>l>>r>>k;
        r--;
        l--;
        if(sortfrom[r]<=l){
          
            cout<<"1\n";
            continue;
        }
        set<int> s;
        for(int j=r;j>=l;j--){
            if(!s.empty()){
                set<int>::iterator q=s.lower_bound(w[j]);
                if(q!=s.begin()){
                    q--;
                    if(w[j]+*q>k){
                        cout<<"0\n";
                        isok=0;
                        break;
                    }
                }
            }
            s.insert(w[j]);
        }
        if(isok){
            cout<<"1\n";
        }
      }
    return 0;
}

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