Submission #890676

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
890676	2023-12-21 18:22:12	NotLinux	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++17	64 / 100	867 ms	262144 KiB

sortbooks

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#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 7;
const int M = 4e6 + 7;
const long long inf = 1e18 + 7;
// bool debug_mode = 0;
struct MergeSortTree{
    vector < int > tree[M];
    void build(vector < int > &v , int ind=1 , int l=1 , int r=N){
        for(int i = l-1;i<r;i++){
            tree[ind].push_back(v[i]);
        }
        sort(tree[ind].begin() , tree[ind].end());
        if(l != r){
            int mid = (l+r) >> 1;
            build(v , ind*2 , l , mid);
            build(v , ind*2+1 , mid+1 , r);
        }
    }
    inline int query(int ind , int val){
        auto it = lower_bound(tree[ind].begin() , tree[ind].end() , val);
        int res = -1;
        if(it != tree[ind].begin()){
            res = *(--it);
        }
        // if(debug_mode){
        //     cout << "v : ";for(auto itr : tree[ind])cout << itr << " ";cout << endl;
        //     cout << "val : " << val << endl;
        //     cout << "res : " << res << endl;
        // }
 
 
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Compilation message (stderr)

sortbooks.cpp: In constructor 'SegmentTree::Node::Node()':
sortbooks.cpp:37:19: warning: 'SegmentTree::Node::ans' will be initialized after [-Wreorder]
   37 |         long long ans;
      |                   ^~~
sortbooks.cpp:36:18: warning:   'int SegmentTree::Node::indx' [-Wreorder]
   36 |         int mx , indx;
      |                  ^~~~
sortbooks.cpp:38:9: warning:   when initialized here [-Wreorder]
   38 |         Node():mx(0) , ans(-inf) , indx(0){}
      |         ^~~~

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