Submission #31768

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
31768	2017-09-08T12:59:30 Z	trath	Monkey and Apple-trees (IZhO12_apple)	C++	0 / 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;

int main(){
	ios_base::sync_with_stdio(false);
	node *tree = new node();
	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

#	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	6 ms	2176 KB	Output is correct
5	Correct	13 ms	2176 KB	Output is correct
6	Correct	33 ms	2176 KB	Output is correct
7	Correct	9 ms	2176 KB	Output is correct
8	Correct	23 ms	2176 KB	Output is correct
9	Correct	119 ms	2176 KB	Output is correct
10	Correct	143 ms	2176 KB	Output is correct
11	Correct	176 ms	2176 KB	Output is correct
12	Correct	83 ms	2176 KB	Output is correct
13	Runtime error	186 ms	2176 KB	Execution timed out (wall clock limit exceeded)
14	Halted	0 ms	0 KB	-