답안 #31774

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
31774	2017-09-08T13:04:26 Z	trath	원숭이와 사과 나무 (IZhO12_apple)	C++	100 / 100	176 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

#	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	9 ms	2176 KB	Output is correct
6	Correct	23 ms	2176 KB	Output is correct
7	Correct	13 ms	2176 KB	Output is correct
8	Correct	79 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	146 ms	2176 KB	Output is correct
12	Correct	146 ms	2176 KB	Output is correct
13	Correct	176 ms	2176 KB	Output is correct
14	Correct	149 ms	2176 KB	Output is correct
15	Correct	119 ms	2176 KB	Output is correct
16	Correct	149 ms	2176 KB	Output is correct
17	Correct	153 ms	2176 KB	Output is correct
18	Correct	143 ms	2176 KB	Output is correct
19	Correct	109 ms	2176 KB	Output is correct
20	Correct	116 ms	2176 KB	Output is correct