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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#771423#7579. Nonsense Timetarjen#AC ✓4651ms101992kbC++202.1kb2024-11-22 12:47:572024-11-22 12:47:57

Judging History

This is the latest submission verdict.

  • [2024-11-22 12:47:57]
  • Judged
  • Verdict: AC
  • Time: 4651ms
  • Memory: 101992kb
  • [2024-11-22 12:47:57]
  • Submitted

answer

#include <bits/stdc++.h>
using namespace std;
template<typename T1,typename T2>
ostream& operator << (ostream& out,pair<T1,T2> p) {
    out<<"("<<p.first<<","<<p.second<<")";
    return out;
}
template<typename T>
ostream& operator << (ostream& out,vector<T>v) {
    out<<"[";
    if(!v.empty()){
        cout<<v[0];
        for(int i=1;i<v.size();i++)cout<<","<<v[i];
    }
    out<<"]";
    return out;
}
const int maxn=50010;
const int inf=1e9;
struct Treearray{
    int c[maxn],n;
    void set_n(int _n,int _v=0){
        n=_n;
        for(int i=1;i<=n;i++)c[i]=_v;
    }
    int lowbit(int x){
        return x&(-x);
    }
    void update(int i,int k){    //在i位置加上k
        while(i <= n){
            c[i] =min(c[i],k);
            i += lowbit(i);
        }
    }
    void clear(int i){
        while(i <= n){
            c[i] =inf;
            i += lowbit(i);
        }
    }
    int getsum(int i){        //求A[1 - i]的和
        int res = inf;
        while(i > 0){
            res=min(res,c[i]);
            i -= lowbit(i);
        }
        return res;
    }
};
const int P=500;
Treearray tri[P+1];
void solve()
{
    int n;cin>>n;
    // int n=50000;
    vector<int>a(n),k(n);
    // {
    //     iota(a.begin(),a.end(),1);
    //     iota(k.begin(),k.end(),0);
    //     random_shuffle(a.begin(),a.end());
    //     random_shuffle(k.begin(),k.end());
    // }
    for(int i=0;i<n;i++)cin>>a[i];
    for(int i=0;i<n;i++)cin>>k[i],k[i]--;
    vector<int> id(n);
    for(int i=0;i<n;i++)id[k[i]]=i+1;
    for(int i=1;i<=P;i++)tri[i].set_n(n,inf);
    tri[0].set_n(n);
    vector<int>ans(n+1,0);
    for(int i=0;i<n;i++){
        for(int j=P;j>=1;j--){
            int g=tri[j-1].getsum(a[i]);
            g=max(g,id[i]);
            if(g<=n&&g>0)ans[g]=max(ans[g],j);
            tri[j].update(a[i],g);
        }
    }
    for(int i=1;i<=n;i++)ans[i]=max(ans[i],ans[i-1]);
    for(int i=1;i<=n;i++)cout<<ans[i]<<" \n"[i==n];
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    int T;cin>>T;while(T--)solve();
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 100164kb

input:

1
5
2 5 3 1 4
1 4 5 3 2

output:

1 1 2 3 3

result:

ok 5 number(s): "1 1 2 3 3"

Test #2:

score: 0
Accepted
time: 4651ms
memory: 101992kb

input:

3
50000
22166 21423 37322 49151 2245 43507 37354 30961 32198 31003 32257 22468 27730 18919 2196 31303 3176 37808 4455 10088 18018 39466 29912 379 1832 17454 15968 4355 43806 24661 23628 14892 28610 44878 34190 33667 21697 4707 35211 12330 30832 8775 39434 26352 44030 31455 41042 11966 1147 39695 240...

output:

1 2 2 2 2 2 2 3 4 4 5 6 6 7 7 7 7 7 8 8 8 8 8 8 8 8 8 8 8 9 9 9 10 11 11 12 12 12 12 12 12 12 12 12 12 12 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 14 14 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 16 16 16 17 17 17 17 17 17 17 18 18 18 18...

result:

ok 150000 numbers