oj.uz

답안 #1088271

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1088271 2024-09-14T07:35:39 Z rayan_bd 원숭이와 사과 나무 (IZhO12_apple) C++17
0 / 100
 0 ms 348 KB 
#include <bits/stdc++.h>

using namespace std;

#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")

#define ll long long

const int mxN = 1e9+1000;

struct SegTree {
    struct Node {
        ll val = 0, lazy = 0;
        Node* left = NULL;
        Node* right = NULL;
    };
    
    typedef Node* root;
    root R = NULL;

    SegTree(int n) {
        R = new Node();
    }

    void push(root nd, ll l, ll r) {
        if (!nd || nd->lazy == 0) return;
        nd->val = (r - l + 1) * nd->lazy;
        if (r - l > 0) {
            if (nd->left == NULL) nd->left = new Node;
            if (nd->right == NULL) nd->right = new Node;
            nd->left->lazy = nd->lazy;
            nd->right->lazy = nd->lazy;
        }
        nd->lazy = 0; 
    }

    void update(root nd, ll start, ll end, ll l, ll r) {
        if (!nd) return;
        push(nd, start, end);
        if (start > r || end < l) return;
        if (start >= l && end <= r) {
            nd->lazy = 1; 
            push(nd, start, end); 
            return;
        }
        ll mid = start + (end - start) / 2;
        if (nd->left == NULL) nd->left = new Node;
        if (nd->right == NULL) nd->right = new Node;
        update(nd->left, start, mid, l, r);
        update(nd->right, mid + 1, end, l, r);
        nd->val = (nd->left ? nd->left->val : 0) + (nd->right ? nd->right->val : 0);
    }

    ll qry(root nd, ll start, ll end, ll l, ll r) {
        if (!nd) return 0;
        push(nd, start, end);
        if (start > r || end < l) return 0;
        if (start >= l && end <= r) return nd->val;
        ll mid = start + (end - start) / 2;
        return qry(nd->left, start, mid, l, r) + qry(nd->right, mid + 1, end, l, r);
    }

    void del(root nd,ll start,ll end,ll l,ll r){
    	if(!nd) return;
    	push(nd,start,end);
    	if (start > r || end < l) return;
    	if (start >= l && end <= r){
    		delete nd;
    		return;
    	}
    	ll mid = start + (end - start) / 2;
    	del(nd->left,start,mid,l,r);
    	del(nd->right,mid+1,end,l,r);
    	nd->val = (nd->left ? nd->left->val : 0) + (nd->right ? nd->right->val : 0);
    }

    void update(ll l, ll r) {
        update(this->R, 1, mxN, l, r);
    }

    ll qry(ll l, ll r) {
        return qry(this->R, 1, mxN, l, r);
    }

    void del(ll l,ll r){
    	del(this->R,1,mxN,l,r);
    }
};

signed main() {


    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    

    ll n,prev=0,e,l,r;cin>>n;
    SegTree seg_tree(mxN);

    while(n--){
    	cin>>e>>l>>r;
    	l+=prev;
    	r+=prev;
    	if(e==1){
    		prev=seg_tree.qry(l,r);
    		seg_tree.del(1,prev);
    		cout<<prev<<'\n';
    	}else if(e==2){
    		seg_tree.update(l,r);
    	}
    }

    return 0;
}

Compilation message

apple.cpp:6: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    6 | #pragma GCC optimization ("O3")
      | 
apple.cpp:7: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    7 | #pragma GCC optimization ("unroll-loops")
      |

Subtask #1
0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -