답안 #31781

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
31781 2017-09-08T13:13:23 Z trath 원숭이와 사과 나무 (IZhO12_apple) C++
0 / 100
146 ms 2176 KB
            #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);
            	}
            }
# 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 6 ms 2176 KB Output is correct
6 Correct 19 ms 2176 KB Output is correct
7 Correct 16 ms 2176 KB Output is correct
8 Correct 63 ms 2176 KB Output is correct
9 Correct 129 ms 2176 KB Output is correct
10 Correct 116 ms 2176 KB Output is correct
11 Runtime error 146 ms 2176 KB Execution timed out (wall clock limit exceeded)
12 Halted 0 ms 0 KB -