답안 #1053389

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1053389 2024-08-11T11:20:46 Z Ludissey Bikeparking (EGOI24_bikeparking) C++17
44 / 100
758 ms 38352 KB
#include <bits/stdc++.h>
#define int long long
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
 
using namespace std;
int N,M,Q;
vector<int> X,y;
struct node {
	node* left, *right;
	int sum, lazy;
    node(){
        left=NULL;
        left=NULL;
        sum=0;
        lazy=-1;
    }
    void update(){
        sum=left->sum+right->sum;
    }
    void propagate(){
        if(lazy>-1){
            sum=lazy;
            if(left!=NULL){
                left->lazy=lazy;
                right->lazy=lazy;
            }
            lazy=-1;
        }
    }
};
 
void build(node* x, int l, int r){
    if(l==r) x->sum=X[l];
    else{
        x->left=new node();
        x->right=new node();
        int mid=(l+r)/2;
        build(x->left, l, mid);
        build(x->right, mid+1, r);
        x->update();
    }
}
void update(node* x, int l, int r, int qL, int qR, int v){
    x->propagate();
    if(r<qR||l>qL) return;
    if(r<=qR&&l>=qL){
        x->sum=v;
        x->lazy=v;
        return;
    }
    int mid=(l+r)/2;
    update(x->left, l, mid, qL, qR,v);
    update(x->right, mid+1, r, qL, qR,v);
    x->update();
}
 
int query(node* x, int l, int r, int qL, int qR){
    if(r<qL||l>qR) return 0;
    x->propagate();
    if(r<=qR&&l>=qL){
        return x->sum;
    }
    int mid=(l+r)/2;
    return query(x->left, l, mid, qL, qR)+query(x->right, mid+1, r, qL, qR);
}
 
signed main() {
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
    cin >> N;
    X.resize(N),y.resize(N);
    for (int i = 0; i < N; i++) cin >> X[i];
    for (int i = 0; i < N; i++) cin >> y[i];
    node* root = new node();
    build(root,0,N-1);
    int sm=0;
    vector<int> kp(N);
    for (int i = 0; i < N; i++)
    {
        int l=0, r=i-1;
        int ans=0;
        bool b=false;
        while(l<=r){
            int mid=(l+r)/2;
            int q=query(root,0,N-1,mid,i-1);
            if(q>=y[i]){
                b=true;
                ans=mid;
                l=mid+1;
            }else{
                r=mid-1;
            }
        }
        if(ans+1<i) {
            int q=query(root,0,N-1,ans+1,i-1);
            y[i]-=q;
            sm+=q;
            update(root,0,N-1,ans+1,i-1,0);
        }
        if(b){
            int q=query(root,0,N-1,ans,ans);
            int df=min(q,y[i]);
            sm+=df;
            y[i]-=df;
            update(root,0,N-1,ans,ans,q-df);
        }else{
            if(ans<i){
                int q=query(root,0,N-1,ans,i-1);
                y[i]-=q;
                sm+=q;
                update(root,0,N-1,ans,i-1,0);
            }
        }
        kp[i]+=y[i];
    }   
    for (int i = 0; i < N; i++){
        int df=min(query(root,0,N-1,i,i),kp[i]);
        kp[i]-=df;
        sm-=kp[i];
    }
    cout << sm << "\n";
    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 452 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 737 ms 36572 KB Output is correct
6 Correct 746 ms 36744 KB Output is correct
7 Correct 732 ms 38352 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 731 ms 36788 KB Output is correct
3 Correct 743 ms 36736 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 750 ms 36656 KB Output is correct
11 Correct 756 ms 36692 KB Output is correct
12 Correct 744 ms 36712 KB Output is correct
13 Correct 753 ms 36688 KB Output is correct
14 Correct 758 ms 36436 KB Output is correct
15 Correct 722 ms 36692 KB Output is correct
16 Correct 746 ms 36688 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 452 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 1 ms 344 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Incorrect 0 ms 348 KB Output isn't correct
51 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 452 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 737 ms 36572 KB Output is correct
27 Correct 746 ms 36744 KB Output is correct
28 Correct 732 ms 38352 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 731 ms 36788 KB Output is correct
34 Correct 743 ms 36736 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 750 ms 36656 KB Output is correct
42 Correct 756 ms 36692 KB Output is correct
43 Correct 744 ms 36712 KB Output is correct
44 Correct 753 ms 36688 KB Output is correct
45 Correct 758 ms 36436 KB Output is correct
46 Correct 722 ms 36692 KB Output is correct
47 Correct 746 ms 36688 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 344 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 1 ms 344 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 1 ms 344 KB Output is correct
68 Correct 0 ms 348 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 0 ms 348 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Incorrect 0 ms 348 KB Output isn't correct
79 Halted 0 ms 0 KB -