Submission #885929

#	Time	Username	Problem	Language	Result	Execution time	Memory
885929		dosts	Monkey and Apple-trees (IZhO12_apple)	C++17	0 / 100	406 ms	262144 KiB

apple

#include <bits/stdc++.h>
#pragma GCC optimize "O3,unroll-loops"
using namespace std;
#define sp << " " << 
#define int long long
#define vi vector<int>
#define F(xxx,yyy) for (int xxx=1;xxx<=yyy;xxx++)
#define pii pair<int,int>
#define pb push_back
const int N = 2e5+1;


struct Node {
	Node* c[2];
	int sum = 0,l,r;
	bool lazy = 0;
	Node(int a,int b) {
		c[0] = c[1] = NULL;
		l = a;
		r = b;
	}
	void apply() {
		if (lazy) sum = r-l+1;
	}
	void extend() {
		int m = (l+r) >> 1;
		if (c[0]==NULL) c[0] = new Node(l,m);
		if (c[1]==NULL) c[1] = new Node(m+1,r);
	}
	void push() {
		apply();
		if (l^r) {
			extend();
			int m = (l+r) >> 1;
			c[0]->lazy |= lazy;
			c[1]->lazy |= lazy;
		}
	}

	void upd(int L,int R) {
		push();
		if (l > R || r < L) return;
		if (l >= L && r <= R) {
			lazy = 1;
			push();
			return;
		}
		c[0]->upd(L,R),c[1]->upd(L,R);
		sum=c[0]->sum+c[1]->sum;
	}

	int query(int L,int R) {
		if (l > R || r < L) return 0;
		push();
		if (l >= L && r <= R) return sum;
		return c[0]->query(L,R)+c[1]->query(L,R);
	}

};

void solve() {
	int q;
	cin >> q;
	int c = 0;
	Node* root = new Node(1,1e9);
	while (q--) {
		int t,l,r;
		cin >> t >> l >> r;
		if (t == 1) {
			c = root->query(l+c,r+c);
			cout << c << endl;
		}
		else root->upd(l+c,r+c);
	}

}
    
                  
                             
signed main() { 
  ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  #ifdef Local
  freopen("in","r",stdin);
  freopen("out","w",stdout); 
  #endif
  int t = 1;
  //cin >> t;
	F(i,t) solve();
}

Compilation message (stderr)

apple.cpp: In member function 'void Node::push()':
apple.cpp:34:8: warning: unused variable 'm' [-Wunused-variable]
   34 |    int m = (l+r) >> 1;
      |        ^

• Subtask 1: 0 / 100