답안 #951374

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
951374	2024-03-21T18:03:08 Z	sheldon	원숭이와 사과 나무 (IZhO12_apple)	C++14	100 / 100	170 ms	128340 KB

apple

#include <bits/stdc++.h>

using namespace std;


struct Node {
    int left = -1, right = -1, ans = 0, lazy = 0;
    int sz;


    void push (Node &l, Node &r) {
        if (lazy) {
            l.ans = l.sz;
            r.ans = r.sz;
            l.lazy = 1;
            r.lazy = 1;
            lazy = 0;
        }
    }

    void get (Node &l, Node &r) {
        ans = l.ans + r.ans;
    }
};
const int nax = 100000;
Node tree[nax * 64];
int idx = 2;

void create (int node, int l, int r) {
    if (tree[node].left == -1) {
        tree[node].left = idx;
        tree[idx].sz  = (l + r) / 2 - l + 1;
        ++idx;
    }
    // maybe l > r ???
    if (tree[node].right == -1) {
        tree[node].right = idx;
        tree[idx].sz = r - ((l + r) / 2 + 1) + 1; 
        ++idx;
    }
}


void update (int node, int l, int r, int ql, int qr) {
    if (ql > r || qr < l) {
        return;
    }


    if (ql <= l && r <= qr) {
        tree[node].ans = r - l + 1;
        tree[node].lazy = 1;
        return;
    }

    int mid = (l + r) / 2;
    create (node, l, r);
    tree[node].push (tree[tree[node].left], tree[tree[node].right]);
    update (tree[node].left, l, mid, ql, qr);
    update (tree[node].right, mid + 1, r, ql, qr);
    tree[node].get (tree[tree[node].left], tree[tree[node].right]);
}

int query (int node, int l, int r, int ql, int qr) {
    if (ql > r || qr < l) {
        return 0;
    }

    if (ql <= l && r <= qr) {
        return tree[node].ans;
    }

    int mid = (l + r) / 2;
    create (node, l, r);
    tree[node].push (tree[tree[node].left], tree[tree[node].right]);
    return query (tree[node].left, l, mid, ql, qr) + query (tree[node].right, mid + 1, r, ql, qr);


}

void solve() {
    int q;
    cin >> q;
    int c = 0;

    while (q--) {
        int type, l, r;
        cin >> type >> l >> r;
        
        if (type == 1) {
            c = query (1, 1, 1e9 + 5, l + c, r + c);
            cout << c << '\n';
        } else {
            update (1, 1, 1e9 + 5, l + c, r + c);
        }
    }
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    solve();
}

Subtask #1

100.0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	55 ms	125520 KB	Output is correct
2	Correct	23 ms	125528 KB	Output is correct
3	Correct	23 ms	125528 KB	Output is correct
4	Correct	28 ms	125724 KB	Output is correct
5	Correct	30 ms	125700 KB	Output is correct
6	Correct	31 ms	125996 KB	Output is correct
7	Correct	30 ms	125780 KB	Output is correct
8	Correct	73 ms	126548 KB	Output is correct
9	Correct	127 ms	127772 KB	Output is correct
10	Correct	138 ms	127692 KB	Output is correct
11	Correct	133 ms	127824 KB	Output is correct
12	Correct	135 ms	127824 KB	Output is correct
13	Correct	127 ms	128080 KB	Output is correct
14	Correct	133 ms	128308 KB	Output is correct
15	Correct	170 ms	128084 KB	Output is correct
16	Correct	162 ms	128300 KB	Output is correct
17	Correct	128 ms	128080 KB	Output is correct
18	Correct	125 ms	128084 KB	Output is correct
19	Correct	164 ms	128268 KB	Output is correct
20	Correct	164 ms	128340 KB	Output is correct