Submission #853225

# Submission time Handle Problem Language Result Execution time Memory
853225 2023-09-23T16:42:52 Z serifefedartar Monkey and Apple-trees (IZhO12_apple) C++17
0 / 100
324 ms 262144 KB
#include <bits/stdc++.h>
using namespace std;
 
#define fast ios::sync_with_stdio(0);cin.tie(0);
#define s second
#define f first
#define ll int
const ll MOD = 1e9 + 7;
const ll LOGN = 20;
const ll MAXN = 2e5 + 5;

struct Node {
	ll 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; 
	}

	ll query(int a, int b) {
		push();
		if (l > b || a > r)
			return 0;
		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, 1e12);
	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:13:11: warning:   'int Node::sum' [-Wreorder]
   13 |  ll 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) { };
      |  ^~~~
apple.cpp: In function 'int main()':
apple.cpp:68:27: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+12' to '2147483647' [-Woverflow]
   68 |  Node *root = new Node(1, 1e12);
      |                           ^~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 13 ms 8284 KB Output is correct
5 Correct 16 ms 10076 KB Output is correct
6 Correct 16 ms 9560 KB Output is correct
7 Correct 16 ms 10076 KB Output is correct
8 Correct 141 ms 76368 KB Output is correct
9 Correct 292 ms 129224 KB Output is correct
10 Correct 302 ms 145232 KB Output is correct
11 Correct 324 ms 155588 KB Output is correct
12 Correct 316 ms 161964 KB Output is correct
13 Runtime error 209 ms 262144 KB Execution killed with signal 9
14 Halted 0 ms 0 KB -