답안 #31767

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
31767 2017-09-08T12:57:48 Z trath 원숭이와 사과 나무 (IZhO12_apple) C++
0 / 100
166 ms 2176 KB
#include <bits/stdc++.h>

using namespace std;

struct node {
	int sum;
	 node *left, *right;
	node(){
		sum = 0;
		left = NULL;
		right = NULL;
	}
};

void combine(node *root, node *a, node *b){
	root->sum= 0;
	if(a != NULL) root->sum += a->sum;
	if(b != NULL) root->sum += b->sum;
}

void update(node *root, int l, int r, int a, int b){
	if(root->sum == r-l+1) return;
	if(l == a && r == b){
		root->sum=(r-l+1);
		return;
	}
	int m = (l+r) >> 1;
	if(b <= m){
		if(!root->left) root->left = new node();
		update(root->left, l, m, a, b);
	}
	else if(m < a){
		if(!root->right) root->right = new node();
		update(root->right, m+1, r, a, b);
	}
	else {
		if(!root->left) root->left = new node();
		if(!root->right) root->right = new node();
		update(root->left, l, m, a, m);
		update(root->right, m+1, r, m+1, b);
		
	}
	combine(root, root->left, root->right);
}

int query(node *root, int l, int r, int a, int b){
	if(root->sum == r-l+1) return b-a+1;
	if(l == a && r == b) return root->sum;
	int m = (l+r) >> 1;
	if(b <= m){
		if(root->left) return query(root->left, l, m, a, b);
		else return 0;
	}
	else if(m < a){
		if(root->right) return query(root->right, m+1, r, a, b);
		else return 0;
	}
	else {
		int sum = 0;
		if(root->left) sum += query(root->left, l, m, a, m);
		if(root->right) sum += query(root->right, m+1, r, m+1, b);
		return sum;
	}
}

int c = 0;
	node *tree = new node();

int main(){
	ios_base::sync_with_stdio(false);
	int q;
	cin >> q;
	while(q--){
		int op,a,b;
		cin >> op >> a >> b;
		if(op == 1){
			c = query(tree, 1, (int)1e9, a+c, b+c);
			cout << c << endl;
		}
		else update(tree, 1, (int)1e9, a+c, b+c);
	}
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2176 KB Output is correct
2 Correct 0 ms 2176 KB Output is correct
3 Correct 0 ms 2176 KB Output is correct
4 Correct 9 ms 2176 KB Output is correct
5 Correct 19 ms 2176 KB Output is correct
6 Correct 13 ms 2176 KB Output is correct
7 Correct 6 ms 2176 KB Output is correct
8 Correct 66 ms 2176 KB Output is correct
9 Correct 156 ms 2176 KB Output is correct
10 Correct 143 ms 2176 KB Output is correct
11 Correct 123 ms 2176 KB Output is correct
12 Correct 93 ms 2176 KB Output is correct
13 Runtime error 166 ms 2176 KB Execution timed out (wall clock limit exceeded)
14 Halted 0 ms 0 KB -