Submission #1143159

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1143159	2025-01-31 11:14:15	SulA	Monkey and Apple-trees (IZhO12_apple)	C++20	0 / 100	0 ms	328 KiB

apple

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#include <bits/stdc++.h>
//#pragma GCC optimize("popcnt")
#define all(a) a.begin(), a.end()
using namespace std;
using namespace chrono;
struct node {
    int l, r, sum = 0, lazy = 0;
    node *lc = nullptr, *rc = nullptr;
    node(int l, int r) : l(l), r(r) {}
};
inline void create_kids(node *u) {
    if (u->l == u->r || u->lc != nullptr) return;
    int mid = (u->l + u->r)/2;
    u->lc = new node(u->l, mid);
    u->rc = new node(mid+1, u->r);
}
void propagate(node *u) {
    create_kids(u);
    if (u->lazy != 0) {
        u->sum = (u->r - u->l + 1) * u->lazy;
        if (u->l != u->r)
            u->lc->lazy = u->lazy, u->rc->lazy = u->lazy;
        u->lazy = 0;
    }
}
void update(node *u, int ul, int ur) {
    if (ur < u->l || u->r < ul) return;
    propagate(u);
 
 
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• Subtask 1: 0 / 100