제출 #1088792

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1088792		rayan_bd	원숭이와 사과 나무 (IZhO12_apple)	C++17	0 / 100	0 ms	348 KiB

apple

#include <bits/stdc++.h>
 
using namespace std;
 
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#pragma GCC optimization("Ofast")
 
#define ll long long
 
const int mxN = 1e9+100;
 
struct Node {
    ll val = 0, lazy = 0;
    Node* left = NULL;
    Node* right = NULL;
};
 
typedef Node* root;
root R = new Node;
 
void push(root& nd, ll l, ll r) {
    if (!nd){
        nd=new Node;
    }
    if(nd->lazy==0) return;
    nd->val = (r - l + 1) * nd->lazy;
    if (r - l >= 2) {
        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) {
    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;
    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) {
    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);
}
 

signed main() {


    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    
 
    ll n,prev=0,p2=1,e,l,r;cin>>n;

    while(n--){
        cin>>e>>l>>r;
        l+=prev;
        r+=prev;
        if(e==1){
            prev=qry(R,1,mxN,l,r);
            cout<<prev<<'\n';
        }else if(e==2){
            update(R,1,mxN,l,r);
        }
    }
 
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

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")
      | 
apple.cpp:8: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    8 | #pragma GCC optimization("Ofast")
      | 
apple.cpp: In function 'int main()':
apple.cpp:68:17: warning: unused variable 'p2' [-Wunused-variable]
   68 |     ll n,prev=0,p2=1,e,l,r;cin>>n;
      |                 ^~

• Subtask 1: 0 / 100