Submission #31776

# Submission time Handle Problem Language Result Execution time Memory
31776 2017-09-08T13:07:49 Z trath Monkey and Apple-trees (IZhO12_apple) C++
100 / 100
179 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);
        	}
        }
# 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 29 ms 2176 KB Output is correct
5 Correct 33 ms 2176 KB Output is correct
6 Correct 6 ms 2176 KB Output is correct
7 Correct 23 ms 2176 KB Output is correct
8 Correct 83 ms 2176 KB Output is correct
9 Correct 179 ms 2176 KB Output is correct
10 Correct 166 ms 2176 KB Output is correct
11 Correct 136 ms 2176 KB Output is correct
12 Correct 99 ms 2176 KB Output is correct
13 Correct 106 ms 2176 KB Output is correct
14 Correct 139 ms 2176 KB Output is correct
15 Correct 113 ms 2176 KB Output is correct
16 Correct 166 ms 2176 KB Output is correct
17 Correct 159 ms 2176 KB Output is correct
18 Correct 99 ms 2176 KB Output is correct
19 Correct 103 ms 2176 KB Output is correct
20 Correct 73 ms 2176 KB Output is correct