Submission #885944

# Submission time Handle Problem Language Result Execution time Memory
885944 2023-12-11T07:40:04 Z dosts Monkey and Apple-trees (IZhO12_apple) C++17
100 / 100
104 ms 1008 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;
		}
	}
 
	inline void upd(int L,int R) {
		apply();
		if (lazy) return;
		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;
	}
 
	inline 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:49:7: warning: unused variable 'm' [-Wunused-variable]
   49 |   int m = (l+r) >> 1;
      |       ^
# 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 348 KB Output is correct
4 Correct 8 ms 348 KB Output is correct
5 Correct 9 ms 348 KB Output is correct
6 Correct 9 ms 500 KB Output is correct
7 Correct 9 ms 476 KB Output is correct
8 Correct 43 ms 612 KB Output is correct
9 Correct 84 ms 852 KB Output is correct
10 Correct 84 ms 824 KB Output is correct
11 Correct 104 ms 852 KB Output is correct
12 Correct 82 ms 760 KB Output is correct
13 Correct 89 ms 848 KB Output is correct
14 Correct 85 ms 912 KB Output is correct
15 Correct 82 ms 848 KB Output is correct
16 Correct 83 ms 952 KB Output is correct
17 Correct 76 ms 852 KB Output is correct
18 Correct 76 ms 844 KB Output is correct
19 Correct 86 ms 1008 KB Output is correct
20 Correct 81 ms 856 KB Output is correct