Submission #691358

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
691358	2023-01-31 06:02:06	tengiz05	Railway Trip (JOI17_railway_trip)	C++17	20 / 100	877 ms	64568 KiB

railway_trip

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#include <bits/stdc++.h>
using namespace std;
struct Node {
    int s = 0;
    Node *l = nullptr;
    Node *r = nullptr;
};
Node *add(Node *t, int l, int r, int x) {
    Node *nt = new Node();
    if (t != nullptr) {
        *nt = *t;
    }
    nt->s++;
    if (r - l > 1) {
        int m = (l + r) / 2;
        if (x < m) {
            nt->l = add(nt->l, l, m, x);
        } else {
            nt->r = add(nt->r, m, r, x);
        }
    }
    return nt;
}
int query(Node *t1, Node *t2, int l, int r, int x, int y) {
    if (r <= x || y <= l) {
        return 0;
    }
    if (x <= l && r <= y) {
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 0 / 25
• Subtask 4: 0 / 55