oj.uz

Submission #966436

# Submission time Handle Problem Language Result Execution time Memory
966436 2024-04-19T20:55:55 Z ttamx Cake 3 (JOI19_cake3) C++17
100 / 100
 805 ms 204088 KB 
#include<bits/stdc++.h>

using namespace std;

using ll = long long;
using t4=tuple<int,int,int,int>;

const int N=2e5+5;
const int K=1<<19;
const ll INF=LLONG_MAX/2;

int n,m;
int v[N],c[N],pos[N];
ll ans=-INF;
pair<int,int> a[N];
vector<pair<int,int>> vec;

struct Persist{
    struct Node;
    using Ptr = Node*;
    struct Node{
        ll val;
        int freq;
        Ptr l,r;
        Node(ll val,int freq):val(val),freq(freq),l(nullptr),r(nullptr){}
    };
    Ptr rt[N];
    void build(int l,int r,Ptr &t){
        t=new Node(0,0);
        if(l==r)return;
        int m=(l+r)/2;
        build(l,m,t->l);
        build(m+1,r,t->r);
    }
    void build(int t){
        build(1,n,rt[t]);
    }
    void update(int l,int r,Ptr &t,Ptr k,int x,ll v){
        t=new Node(*k);
        t->val+=v;
        t->freq++;
        if(l==r)return;
        int m=(l+r)/2;
        if(x<=m)update(l,m,t->l,k->l,x,v);
        else update(m+1,r,t->r,k->r,x,v);
    }
    void update(int k,int t,int x,ll v){
        update(1,n,rt[t],rt[k],x,v);
    }
    ll query(int l,int r,Ptr tl,Ptr tr,int k){
        if(l==r)return tr->val-tl->val;
        int m=(l+r)/2;
        int freq=tr->r->freq-tl->r->freq;
        if(freq<k)return query(l,m,tl->l,tr->l,k-freq)+tr->r->val-tl->r->val;
        return query(m+1,r,tl->r,tr->r,k);
    }
    ll query(int l,int r,int k){
        return query(1,n,rt[l-1],rt[r],k);
    }
}s;

void dnc(int l,int r,int optl,int optr){
    if(l>r)return;
    int mid=(l+r)/2;
    ll res=-INF;
    int opt=-1;
    int p=max(optl,mid+m-1);
    for(int i=p;i<=optr;i++){
        ll tmp=s.query(mid,i,m)-2*c[i];
        if(tmp>res)res=tmp,opt=i;
    }
    res+=2*c[mid];
    ans=max(ans,res);
    dnc(l,mid-1,optl,opt);
    dnc(mid+1,r,opt,optr);
}

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n >> m;
    for(int i=1;i<=n;i++)cin >> a[i].second >> a[i].first;
    sort(a+1,a+n+1);
    for(int i=1;i<=n;i++){
        tie(c[i],v[i])=a[i];
        vec.emplace_back(v[i],i);
    }
    sort(vec.begin(),vec.end());
    for(int i=0;i<n;i++)pos[vec[i].second]=i+1;
    s.build(0);
    for(int i=1;i<=n;i++)s.update(i-1,i,pos[i],v[i]);
    dnc(1,n-m+1,1,n);
    cout << ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4564 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 1 ms 4532 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4696 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4440 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4696 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4564 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 1 ms 4532 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4696 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4440 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4696 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 3 ms 5724 KB Output is correct
39 Correct 3 ms 5724 KB Output is correct
40 Correct 3 ms 5724 KB Output is correct
41 Correct 3 ms 5724 KB Output is correct
42 Correct 3 ms 5720 KB Output is correct
43 Correct 3 ms 5724 KB Output is correct
44 Correct 3 ms 5624 KB Output is correct
45 Correct 3 ms 5724 KB Output is correct
46 Correct 4 ms 5724 KB Output is correct
47 Correct 3 ms 5720 KB Output is correct
48 Correct 3 ms 5724 KB Output is correct
49 Correct 3 ms 5724 KB Output is correct
50 Correct 3 ms 5724 KB Output is correct
51 Correct 3 ms 5724 KB Output is correct
52 Correct 3 ms 5724 KB Output is correct
53 Correct 3 ms 5724 KB Output is correct
54 Correct 3 ms 5724 KB Output is correct
55 Correct 3 ms 5724 KB Output is correct
56 Correct 2 ms 5724 KB Output is correct
57 Correct 3 ms 5724 KB Output is correct
58 Correct 2 ms 5724 KB Output is correct
59 Correct 3 ms 5724 KB Output is correct
60 Correct 3 ms 5724 KB Output is correct
61 Correct 3 ms 5724 KB Output is correct
62 Correct 3 ms 5724 KB Output is correct
63 Correct 3 ms 5724 KB Output is correct
64 Correct 3 ms 5724 KB Output is correct
65 Correct 3 ms 5724 KB Output is correct
66 Correct 3 ms 5720 KB Output is correct
67 Correct 3 ms 5724 KB Output is correct
68 Correct 3 ms 5724 KB Output is correct
69 Correct 3 ms 5880 KB Output is correct
70 Correct 3 ms 5724 KB Output is correct
71 Correct 3 ms 5724 KB Output is correct
72 Correct 2 ms 5724 KB Output is correct
73 Correct 3 ms 5724 KB Output is correct
74 Correct 3 ms 5724 KB Output is correct

Subtask #3
76.0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4564 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4440 KB Output is correct
10 Correct 1 ms 4532 KB Output is correct
11 Correct 1 ms 4444 KB Output is correct
12 Correct 1 ms 4696 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4440 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4444 KB Output is correct
24 Correct 1 ms 4444 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4440 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 1 ms 4444 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 1 ms 4696 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 3 ms 5724 KB Output is correct
39 Correct 3 ms 5724 KB Output is correct
40 Correct 3 ms 5724 KB Output is correct
41 Correct 3 ms 5724 KB Output is correct
42 Correct 3 ms 5720 KB Output is correct
43 Correct 3 ms 5724 KB Output is correct
44 Correct 3 ms 5624 KB Output is correct
45 Correct 3 ms 5724 KB Output is correct
46 Correct 4 ms 5724 KB Output is correct
47 Correct 3 ms 5720 KB Output is correct
48 Correct 3 ms 5724 KB Output is correct
49 Correct 3 ms 5724 KB Output is correct
50 Correct 3 ms 5724 KB Output is correct
51 Correct 3 ms 5724 KB Output is correct
52 Correct 3 ms 5724 KB Output is correct
53 Correct 3 ms 5724 KB Output is correct
54 Correct 3 ms 5724 KB Output is correct
55 Correct 3 ms 5724 KB Output is correct
56 Correct 2 ms 5724 KB Output is correct
57 Correct 3 ms 5724 KB Output is correct
58 Correct 2 ms 5724 KB Output is correct
59 Correct 3 ms 5724 KB Output is correct
60 Correct 3 ms 5724 KB Output is correct
61 Correct 3 ms 5724 KB Output is correct
62 Correct 3 ms 5724 KB Output is correct
63 Correct 3 ms 5724 KB Output is correct
64 Correct 3 ms 5724 KB Output is correct
65 Correct 3 ms 5724 KB Output is correct
66 Correct 3 ms 5720 KB Output is correct
67 Correct 3 ms 5724 KB Output is correct
68 Correct 3 ms 5724 KB Output is correct
69 Correct 3 ms 5880 KB Output is correct
70 Correct 3 ms 5724 KB Output is correct
71 Correct 3 ms 5724 KB Output is correct
72 Correct 2 ms 5724 KB Output is correct
73 Correct 3 ms 5724 KB Output is correct
74 Correct 3 ms 5724 KB Output is correct
75 Correct 784 ms 189492 KB Output is correct
76 Correct 805 ms 184128 KB Output is correct
77 Correct 705 ms 189728 KB Output is correct
78 Correct 721 ms 192836 KB Output is correct
79 Correct 296 ms 193480 KB Output is correct
80 Correct 294 ms 187800 KB Output is correct
81 Correct 530 ms 191292 KB Output is correct
82 Correct 654 ms 194124 KB Output is correct
83 Correct 620 ms 200508 KB Output is correct
84 Correct 624 ms 200072 KB Output is correct
85 Correct 581 ms 192964 KB Output is correct
86 Correct 350 ms 186192 KB Output is correct
87 Correct 369 ms 183864 KB Output is correct
88 Correct 515 ms 182224 KB Output is correct
89 Correct 487 ms 193044 KB Output is correct
90 Correct 379 ms 202292 KB Output is correct
91 Correct 307 ms 186456 KB Output is correct
92 Correct 300 ms 184772 KB Output is correct
93 Correct 352 ms 193332 KB Output is correct
94 Correct 310 ms 202040 KB Output is correct
95 Correct 371 ms 202440 KB Output is correct
96 Correct 330 ms 187444 KB Output is correct
97 Correct 349 ms 202832 KB Output is correct
98 Correct 369 ms 199812 KB Output is correct
99 Correct 333 ms 200420 KB Output is correct
100 Correct 285 ms 188356 KB Output is correct
101 Correct 291 ms 188260 KB Output is correct
102 Correct 504 ms 188556 KB Output is correct
103 Correct 508 ms 185652 KB Output is correct
104 Correct 593 ms 196752 KB Output is correct
105 Correct 490 ms 195892 KB Output is correct
106 Correct 492 ms 200888 KB Output is correct
107 Correct 440 ms 193428 KB Output is correct
108 Correct 694 ms 191888 KB Output is correct
109 Correct 578 ms 203680 KB Output is correct
110 Correct 275 ms 189248 KB Output is correct
111 Correct 379 ms 191428 KB Output is correct
112 Correct 658 ms 182580 KB Output is correct
113 Correct 301 ms 204088 KB Output is correct