답안 #885934

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
885934 2023-12-11T07:24:58 Z dosts 원숭이와 사과 나무 (IZhO12_apple) C++17
100 / 100
481 ms 255512 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;
	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();
			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;
			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;
		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;
      |       ^
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 15 ms 5824 KB Output is correct
5 Correct 19 ms 6988 KB Output is correct
6 Correct 24 ms 6788 KB Output is correct
7 Correct 24 ms 7000 KB Output is correct
8 Correct 139 ms 52876 KB Output is correct
9 Correct 284 ms 91024 KB Output is correct
10 Correct 324 ms 101216 KB Output is correct
11 Correct 335 ms 108860 KB Output is correct
12 Correct 309 ms 112472 KB Output is correct
13 Correct 292 ms 132872 KB Output is correct
14 Correct 288 ms 134552 KB Output is correct
15 Correct 474 ms 248404 KB Output is correct
16 Correct 481 ms 249680 KB Output is correct
17 Correct 292 ms 141324 KB Output is correct
18 Correct 279 ms 141340 KB Output is correct
19 Correct 470 ms 255512 KB Output is correct
20 Correct 479 ms 255496 KB Output is correct