Submission #853232

# Submission time Handle Problem Language Result Execution time Memory
853232 2023-09-23T16:53:18 Z serifefedartar Monkey and Apple-trees (IZhO12_apple) C++17
0 / 100
302 ms 146512 KB
#include <bits/stdc++.h>
using namespace std;
 
#define fast ios::sync_with_stdio(0);cin.tie(0);
#define s second
#define f first
typedef long long ll;
const ll MOD = 1e9 + 7;
const ll LOGN = 20;
const ll MAXN = 2e5 + 5;

struct Node {
	int l, r, sum, lazy;
	Node *ptrL, *ptrR;

	Node(int a, int b) : l(a), r(b), ptrL(NULL), ptrR(NULL), sum(0), lazy(0) { };
	void add() {
		if (ptrL == NULL && l != r) {
			int mid = (l + r) / 2;
			ptrL = new Node(l, mid);
			ptrR = new Node(mid+1, r);
		}
	}

	void push() {
		if (lazy) {
			sum = r - l + 1;
			if (l != r) {
				add();
				ptrL->lazy = 1;
				ptrR->lazy = 1;
			}
			lazy = 0;
		}
	}

	void update(int a, int b) {
		push();
		if (l > b || a > r)
			return ;
		if (a <= l && r <= b) {
			lazy = 1;
			push();
			return ;
		}
		add();
		ptrL->update(a, b);
		ptrR->update(a, b);
		sum = ptrL->sum + ptrR->sum; 
	}

	int query(int a, int b) {
		if (l > b || a > r)
			return 0;
		push();
		if (a <= l && r <= b)
			return sum;
		add();
		return ptrL->query(a, b) + ptrR->query(a, b);
	}
};

int main() {
	fast
	int M, D, X, Y;
	cin >> M;

	Node *root = new Node(1, 1e8);
	int C = 0;
	while (M--) {
		cin >> D >> X >> Y;
		X += C, Y += C;
		if (D == 1) {
			C = root->query(X, Y);
			cout << C << "\n";
		} else
			root->update(X, Y);
	}
}

Compilation message

apple.cpp: In constructor 'Node::Node(int, int)':
apple.cpp:14:15: warning: 'Node::ptrR' will be initialized after [-Wreorder]
   14 |  Node *ptrL, *ptrR;
      |               ^~~~
apple.cpp:13:12: warning:   'int Node::sum' [-Wreorder]
   13 |  int l, r, sum, lazy;
      |            ^~~
apple.cpp:16:2: warning:   when initialized here [-Wreorder]
   16 |  Node(int a, int b) : l(a), r(b), ptrL(NULL), ptrR(NULL), sum(0), lazy(0) { };
      |  ^~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 504 KB Output is correct
4 Correct 12 ms 7768 KB Output is correct
5 Correct 15 ms 9308 KB Output is correct
6 Correct 16 ms 9048 KB Output is correct
7 Correct 16 ms 9304 KB Output is correct
8 Correct 129 ms 68608 KB Output is correct
9 Correct 268 ms 116880 KB Output is correct
10 Correct 298 ms 130760 KB Output is correct
11 Correct 302 ms 141784 KB Output is correct
12 Correct 298 ms 146512 KB Output is correct
13 Incorrect 52 ms 25936 KB Output isn't correct
14 Halted 0 ms 0 KB -