Submission #912703

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
912703	2024-01-19T18:15:02 Z	anarch_y	Monkey and Apple-trees (IZhO12_apple)	C++17	100 / 100	368 ms	202856 KB

apple

#include <bits/stdc++.h>
using namespace std;
#define all(x) begin(x), end(x)
#define sz(x) (int)x.size()
#define pb push_back
#define int long long
 
const int maxn = 1e9;
 
struct Node{
    int value, lzSet;
    Node *left, *right;
    Node(int v){
        value = v; lzSet = -1;
        left = right = nullptr;
    }
};
 
struct DynamicTree{
    int len;
    Node *root;
    
    DynamicTree(int N){
        int p = ceil(log2(N));
        len = (1<<p);
        root = new Node(0);
    }
 
    void pushup(Node *k){
        int sum = 0;
        if(k->left != nullptr) sum += k->left->value;
        if(k->right != nullptr) sum += k->right->value;
        k->value = sum;
    }
 
    void pushdown(Node *k, int x, int y){
        int v = k->lzSet;
        if(v != -1){
            if(k->left == nullptr) k->left = new Node(0);
            if(k->right == nullptr) k->right = new Node(0);
 
            k->left->lzSet = v;
            k->right->lzSet = v;
 
            int d = (x+y)/2;
            k->left->value = (d-x+1)*v;
            k->right->value = (y-d)*v;
            k->lzSet = -1;
        }
    }
 
    Node* update(int a, int b, int v, Node *k, int x, int y){
        if(b < x or a > y) return k;
        if(k == nullptr) k = new Node(0);
        if(a <= x and y <= b){
            k->value = (y-x+1)*v;
            k->lzSet = v;
            return k;
        }
        pushdown(k, x, y);
        int d = (x+y)/2;
        k->left = update(a, b, v, k->left, x, d);
        k->right = update(a, b, v, k->right, d+1, y);
        pushup(k);
        return k;
    }
 
    void update(int a, int b, int v){
        root = update(a, b, v, root, 0, len-1);
    }
 
    int query(int a, int b, Node *k, int x, int y){
        if(b < x or a > y) return 0LL;
        if(k == nullptr) return 0LL;
        if(a <= x and y <= b) return k->value;
        pushdown(k, x, y);
        int d = (x+y)/2;
        int s1 = query(a, b, k->left, x, d);
        int s2 = query(a, b, k->right, d+1, y);
        return s1+s2;
    }
 
    int query(int a, int b){
        return query(a, b, root, 0, len-1);
    }
};
 
signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
 
    int M; cin >> M;
    DynamicTree dseg(maxn);
    
    int C = 0;
    while(M--){
        int op; cin >> op;
        if(op == 2){
            int a, b; cin >> a >> b; a--; b--;
            dseg.update(a+C, b+C, 1);
        }
        else{
            int a, b; cin >> a >> b; a--; b--;
            int ans = dseg.query(a+C, b+C);
            C = ans;
            cout << ans << "\n";
        }
    }
}

Subtask #1

100.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	10 ms	4956 KB	Output is correct
5	Correct	12 ms	5788 KB	Output is correct
6	Correct	11 ms	5724 KB	Output is correct
7	Correct	12 ms	5792 KB	Output is correct
8	Correct	99 ms	42880 KB	Output is correct
9	Correct	218 ms	76652 KB	Output is correct
10	Correct	224 ms	81904 KB	Output is correct
11	Correct	247 ms	88148 KB	Output is correct
12	Correct	232 ms	90848 KB	Output is correct
13	Correct	211 ms	108024 KB	Output is correct
14	Correct	197 ms	108880 KB	Output is correct
15	Correct	346 ms	196660 KB	Output is correct
16	Correct	368 ms	198228 KB	Output is correct
17	Correct	221 ms	112304 KB	Output is correct
18	Correct	207 ms	112296 KB	Output is correct
19	Correct	343 ms	202504 KB	Output is correct
20	Correct	356 ms	202856 KB	Output is correct