Submission #903131

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
903131	2024-01-11T05:48:46 Z	sverma22	Monkey and Apple-trees (IZhO12_apple)	C++17	0 / 100	358 ms	262144 KB

apple

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

// #define int int64_t

int m; 
vector<array<int, 3> > events; 
vector<pair<int, int> > ranges; 

struct Node {
    int st, en; 
    int sum;
    bool lazy;  
    Node *left_child, *right_child; 
    Node(int s, int e) {
        st = s; 
        en = e; 
        sum = lazy = 0; 
        left_child = nullptr; 
        right_child = nullptr; 
    }
}; 

class SegTree {
    public: 
        Node* root; 
        SegTree() {
            root = new Node(1, 1e9); 
        }

        void extend(Node* node) {
            if((node->left_child == nullptr) && (node->st != node->en)) {
                int mid = (node->st + node->en) / 2; 
                node->left_child = new Node(node->st, mid); 
                node->right_child = new Node(mid + 1, node->en); 
            }
        }

        void range_set(int l, int r, int val, Node* node) {
            extend(node); 
            if(node->lazy != 0) {
                node->sum = (node->en - node->st + 1) * node->lazy; 
                if(node->st != node->en) {
                    node->left_child->lazy = node->lazy; 
                    node->right_child->lazy = node->lazy; 
                }
                node->lazy = 0; 
            }

            if(node->en < l || node->st > r) return; 
            if(l <= node->st && node->en <= r) {
                node->sum = (node->en - node->st + 1) * val; 
                if(node->st != node->en) { 
                    node->left_child->lazy = val; 
                    node->right_child->lazy = val; 
                }
                return; 
            }

            range_set(l, r, val, node->left_child); 
            range_set(l, r, val, node->right_child); 
            node->sum = node->left_child->sum + node->right_child->sum; 
        }

        int query(int l, int r, Node* node) {
            extend(node); 
            if(node->lazy != 0) {
                node->sum = (node->en - node->st + 1) * node->lazy; 
                if(node->st != node->en) {
                    node->left_child->lazy = node->lazy; 
                    node->right_child->lazy = node->lazy; 
                }
                node->lazy = 0; 
            }

            if(node->en < l || node->st > r) return 0; 
            if(l <= node->st && node->en <= r) return node->sum; 
            return query(l, r, node->left_child) + query(l, r, node->right_child); 
        }

}; 


void solve() {
    cin >> m; 
    
    SegTree st; 

    int c = 0; 
    for(int i = 0; i < m; i++) {
        int type, a, b; cin >> type >> a >> b; 
        if(type == 1) {
            c = st.query(a + c, b + c, st.root); 
            cout << c << '\n';
        } else {
            st.range_set(a + c, b + c, 1, st.root); 
        }
    }


}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    // #ifndef ONLINE_JUDGE
    // freopen("file.txt", "r", stdin);
    // #endif
    int t = 1; // cin >> t; 
    while(t--) {
        solve(); 
    }
}

Subtask #1

0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	14 ms	8808 KB	Output is correct
5	Correct	16 ms	10700 KB	Output is correct
6	Correct	15 ms	10308 KB	Output is correct
7	Correct	25 ms	10600 KB	Output is correct
8	Correct	137 ms	77764 KB	Output is correct
9	Correct	324 ms	131996 KB	Output is correct
10	Correct	312 ms	147856 KB	Output is correct
11	Correct	340 ms	160524 KB	Output is correct
12	Correct	328 ms	165920 KB	Output is correct
13	Correct	342 ms	206276 KB	Output is correct
14	Correct	328 ms	208396 KB	Output is correct
15	Runtime error	358 ms	262144 KB	Execution killed with signal 9
16	Halted	0 ms	0 KB	-