Submission #31766

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
31766	2017-09-08T12:57:03 Z	trath	Monkey and Apple-trees (IZhO12_apple)	C++	100 / 100	186 ms	2176 KB

apple

#include <bits/stdc++.h>

using namespace std;

struct node {
	int sum;
	struct 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

100.0 / 100.0

#	Verdict	Execution time	Memory	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	16 ms	2176 KB	Output is correct
7	Correct	23 ms	2176 KB	Output is correct
8	Correct	33 ms	2176 KB	Output is correct
9	Correct	139 ms	2176 KB	Output is correct
10	Correct	186 ms	2176 KB	Output is correct
11	Correct	143 ms	2176 KB	Output is correct
12	Correct	103 ms	2176 KB	Output is correct
13	Correct	133 ms	2176 KB	Output is correct
14	Correct	106 ms	2176 KB	Output is correct
15	Correct	89 ms	2176 KB	Output is correct
16	Correct	143 ms	2176 KB	Output is correct
17	Correct	156 ms	2176 KB	Output is correct
18	Correct	86 ms	2176 KB	Output is correct
19	Correct	86 ms	2176 KB	Output is correct
20	Correct	123 ms	2176 KB	Output is correct