답안 #31770

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
31770	2017-09-08T13:00:53 Z	trath	원숭이와 사과 나무 (IZhO12_apple)	C++11	0 / 100	209 ms	2176 KB

apple

#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);
	}
}

Subtask #1

0 / 100.0

#	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	16 ms	2176 KB	Output is correct
5	Correct	16 ms	2176 KB	Output is correct
6	Correct	9 ms	2176 KB	Output is correct
7	Correct	6 ms	2176 KB	Output is correct
8	Correct	39 ms	2176 KB	Output is correct
9	Correct	106 ms	2176 KB	Output is correct
10	Correct	209 ms	2176 KB	Output is correct
11	Correct	93 ms	2176 KB	Output is correct
12	Runtime error	123 ms	2176 KB	Execution timed out (wall clock limit exceeded)
13	Halted	0 ms	0 KB	-