Submission #703854

#	Time	Username	Problem	Language	Result	Execution time	Memory
703854		mihai145	Monkey and Apple-trees (IZhO12_apple)	C++14	0 / 100	5 ms	10464 KiB

apple

//
// Created by mihai145 on 28.02.2023.
// Test problem: https://oj.uz/problem/view/IZhO12_apple
//

#include <iostream>

using namespace std;

const int NMAX = 2 * 100000;

class DynamicSegmentTree {
private:
    int kNodes, v[4 * NMAX];
    pair<int, int> sons[4 * NMAX];
    bool lazy[4 * NMAX];

    void init(int idx) {
        sons[idx].first = ++kNodes;
        sons[idx].second = ++kNodes;
    }

    void push(int idx, int l, int r) {
        if (lazy[idx]) {
            v[idx] = r - l + 1;
            lazy[sons[idx].first] = true;
            lazy[sons[idx].second] = true;
        }
    }

public:
    void Init() {
        for (int i = 1; i < 4 * NMAX; i++) {
            v[i] = 0;
            sons[i].first = -1, sons[i].second = -1;
            lazy[i] = false;
        }
        kNodes = 1;
    }

    void Update(int idx, int l, int r, int ql, int qr) {
        if (sons[idx].first == -1) {
            init(idx);
        }

        push(idx, l, r);

        if (r < ql || qr < l) return;
        if (ql <= l && r <= qr) {
            lazy[idx] = true;
            push(idx, l, r);
            return;
        }

        int mid = (l + r) >> 1;
        Update(sons[idx].first, l, mid, ql, qr);
        Update(sons[idx].second, mid + 1, r, ql, qr);
        v[idx] = v[sons[idx].first] + v[sons[idx].second];
    }

    int Query(int idx, int l, int r, int ql, int qr) {
        if (sons[idx].first == -1) {
            init(idx);
        }

        push(idx, l, r);

        if (r < ql || qr < l) return 0;
        if (ql <= l && r <= qr) return v[idx];

        int mid = (l + r) >> 1;
        int a1 = Query(sons[idx].first, l, mid, ql, qr), a2 = Query(sons[idx].second, mid + 1, r, ql, qr);
        return a1 + a2;
    }
};
DynamicSegmentTree dst;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    dst.Init();

    int m; cin >> m;
    int d, x, y, c = 0;

    for (int i = 1; i <= m; i++) {
        cin >> d >> x >> y;
        x += c, y += c;
        if (d == 1) {
            int r = dst.Query(1, 1, 1e9, x, y);
            cout << r << '\n';
            c += r;
        } else {
            dst.Update(1, 1, 1e9, x, y);
        }
    }

    return 0;
}

• Subtask 1: 0 / 100