Submission #885939

# Submission time Handle Problem Language Result Execution time Memory
885939 2023-12-11T07:34:25 Z dosts Monkey and Apple-trees (IZhO12_apple) C++17
100 / 100
283 ms 163668 KB
#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;
	inline Node(int a,int b) {
		c[0] = c[1] = NULL;
		l = a;
		r = b;
	}
	inline void apply() {
		if (lazy) sum = r-l+1;
	}
	inline 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);
	}
	inline void push() {
		if (l^r) {
			extend();
			c[0]->lazy |= lazy;
			c[1]->lazy |= lazy;
		}
	}
 
	void upd(int L,int R) {
		apply();
		if (l > R ||  r < L) return;
		if (l >= L && r <= R) {
			lazy = 1;
			apply();
			push();
			return;
		}
		push();
		int m = (l+r) >> 1;
		c[0]->upd(L,R),c[1]->upd(L,R);
		sum = c[0]->sum+c[1]->sum;
	}
 
	int query(int L,int R) {
		apply();
		if (l > R || r < L) return 0;
		if (l >= L && r <= R) return sum;
		if(lazy){
			if (L >= l && R <= r) return R-L+1;
			else if (L <= l) return R-l+1;
			else return r-L+1;
		}
		push();
		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

apple.cpp: In member function 'void Node::upd(int, int)':
apple.cpp:48:7: warning: unused variable 'm' [-Wunused-variable]
   48 |   int m = (l+r) >> 1;
      |       ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 12 ms 4008 KB Output is correct
5 Correct 15 ms 4984 KB Output is correct
6 Correct 15 ms 4956 KB Output is correct
7 Correct 15 ms 4892 KB Output is correct
8 Correct 94 ms 37204 KB Output is correct
9 Correct 192 ms 65616 KB Output is correct
10 Correct 199 ms 72272 KB Output is correct
11 Correct 203 ms 76884 KB Output is correct
12 Correct 202 ms 79000 KB Output is correct
13 Correct 197 ms 85336 KB Output is correct
14 Correct 202 ms 87276 KB Output is correct
15 Correct 283 ms 160248 KB Output is correct
16 Correct 283 ms 160596 KB Output is correct
17 Correct 195 ms 90204 KB Output is correct
18 Correct 202 ms 90220 KB Output is correct
19 Correct 278 ms 163664 KB Output is correct
20 Correct 280 ms 163668 KB Output is correct