Submission #888541

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
888541	2023-12-17T17:10:05 Z	dwuy	Monkey and Apple-trees (IZhO12_apple)	C++14	100 / 100	224 ms	56800 KB

apple

#include <bits/stdc++.h>
using namespace std;

struct Node{
    bool lz;
    int sum;
    Node *l, *r;

    Node(){
        this->lz = 0;
        this->sum = 0;
        this->l = this->r = NULL;
    }
};

struct SMT{
    int n;
    Node *root;

    SMT(int n=0){
        this->n = n;
        this->root = new Node();
    }

    void update(Node *cur, int l, int r, const int &u, const int &v){
        if(l>v || r<u) return;
        if(l>=u && r<=v){
            cur->lz = 1;
            cur->sum = (r-l+1);
            return;
        }
        int mid = (l+r)>>1;
        if(!cur->l && u<=mid) cur->l = new Node();
        if(!cur->r && mid<v) cur->r = new Node();
        update(cur->l, l, mid, u, v);
        update(cur->r, mid+1, r, u, v);
        cur->sum = (cur->l? cur->l->sum : 0) + (cur->r? cur->r->sum : 0);
        if(cur->lz) cur->sum = r - l + 1;
    }

    void update(int l, int r){
        update(root, 1, n, l, r);
    }

    int get(Node *cur, int l, int r, const int &u, const int &v){
        if(l>v || r<u || !cur || !cur->sum) return 0;
        if(l>=u && r<=v) return cur->sum;
        int mid = (l+r)>>1;
        int L = get(cur->l, l, mid, u, v);
        int R = get(cur->r, mid+1, r, u, v);
        return cur->lz? min(r, v) - max(l, u) + 1 : L + R;
    }

    int get(int l, int r){
        return get(root, 1, n, l, r);
    }
};

void solve(){
    int q;
    cin >> q;
    SMT smt(1000000000);
    int C = 0;
    while(q--){
        int oper, l, r;
        cin >> oper >> l >> r;
        l += C; r += C;
        if(oper == 2) smt.update(l, r);
        else{
            C = smt.get(l, r);
            cout << C << endl;
        }
    }
}

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    solve();

    return 0;
}

Subtask #1

100.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	11 ms	1628 KB	Output is correct
5	Correct	14 ms	2060 KB	Output is correct
6	Correct	14 ms	1884 KB	Output is correct
7	Correct	17 ms	1884 KB	Output is correct
8	Correct	92 ms	13432 KB	Output is correct
9	Correct	179 ms	23892 KB	Output is correct
10	Correct	177 ms	26192 KB	Output is correct
11	Correct	194 ms	27984 KB	Output is correct
12	Correct	178 ms	28396 KB	Output is correct
13	Correct	168 ms	29780 KB	Output is correct
14	Correct	168 ms	30548 KB	Output is correct
15	Correct	223 ms	55632 KB	Output is correct
16	Correct	218 ms	55636 KB	Output is correct
17	Correct	172 ms	31568 KB	Output is correct
18	Correct	165 ms	31312 KB	Output is correct
19	Correct	220 ms	56660 KB	Output is correct
20	Correct	224 ms	56800 KB	Output is correct