oj.uz

Submission #703772

# Submission time Handle Problem Language Result Execution time Memory
703772 2023-02-28T10:31:36 Z weakweakweak Volontiranje (COCI21_volontiranje) C++14
0 / 110
 39 ms 71512 KB 
#include <bits/stdc++.h>
using namespace std;

#define fs first
#define sc second
#define pii pair<int,int>

const int N=1010000;
int a[N], fr[N], n, lb[N];
vector<int>lis={INT_MAX};
vector<pii> lv[N];
vector<vector<int>>ans;
set<int>st[N];

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0);
    cin >> n;
    for(int i=1; i<=n; i++){
        cin >> a[i];
        auto it=lower_bound(lis.begin(), lis.end(), a[i]);
        if(it==lis.end())lis.push_back(a[i]), fr[i]=lis.size();
        else lis[it-lis.begin()]=a[i], fr[i]=it-lis.begin()+1;
        st[fr[i]].insert(i); lv[fr[i]].push_back({a[i],i});
        if(fr[i]==1)continue;
        int l=0, r=lv[fr[i]-1].size()-1;
        while(l<r){
            int mid=(l+r)/2;
            if(lv[fr[i]-1][mid].fs < a[i])r=mid;
            else l=mid+1;
        }
        lb[i]=lv[fr[i]-1][l].sc;
    }

    for(auto i:st[lis.size()]){
        vector<int>v;
        for(int t=lis.size(); t>1; t--){
            v.push_back(i);
            auto it=st[t-1].lower_bound(lb[i]), it2=st[t-1].lower_bound(i);
            if(it==it2)break;
            i=*it;
        }
        v.push_back(i);
        if(v.size()!=lis.size())continue;
        reverse(v.begin(), v.end());
        ans.push_back(v);
        for(int i=0; i<v.size()-1; i++)st[i+1].erase(v[i]);
    }

    cout << ans.size() << ' ' << lis.size() << '\n';
    for(auto v:ans){
        for(int x:v)cout << x << ' ';
        cout << '\n';
    }
return 0;}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:46:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |         for(int i=0; i<v.size()-1; i++)st[i+1].erase(v[i]);
      |                      ~^~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 71380 KB Output is correct
2 Correct 33 ms 71368 KB Output is correct
3 Correct 32 ms 71380 KB Output is correct
4 Correct 33 ms 71400 KB Output is correct
5 Correct 39 ms 71464 KB Output is correct
6 Correct 32 ms 71360 KB Output is correct
7 Correct 32 ms 71460 KB Output is correct
8 Correct 31 ms 71476 KB Output is correct
9 Correct 32 ms 71484 KB Output is correct
10 Correct 32 ms 71512 KB Output is correct
11 Correct 32 ms 71372 KB Output is correct
12 Correct 32 ms 71460 KB Output is correct
13 Correct 32 ms 71412 KB Output is correct
14 Correct 33 ms 71468 KB Output is correct
15 Correct 33 ms 71460 KB Output is correct
16 Correct 32 ms 71380 KB Output is correct
17 Incorrect 32 ms 71472 KB Subsequence not disjoint
18 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 71380 KB Output is correct
2 Correct 33 ms 71368 KB Output is correct
3 Correct 32 ms 71380 KB Output is correct
4 Correct 33 ms 71400 KB Output is correct
5 Correct 39 ms 71464 KB Output is correct
6 Correct 32 ms 71360 KB Output is correct
7 Correct 32 ms 71460 KB Output is correct
8 Correct 31 ms 71476 KB Output is correct
9 Correct 32 ms 71484 KB Output is correct
10 Correct 32 ms 71512 KB Output is correct
11 Correct 32 ms 71372 KB Output is correct
12 Correct 32 ms 71460 KB Output is correct
13 Correct 32 ms 71412 KB Output is correct
14 Correct 33 ms 71468 KB Output is correct
15 Correct 33 ms 71460 KB Output is correct
16 Correct 32 ms 71380 KB Output is correct
17 Incorrect 32 ms 71472 KB Subsequence not disjoint
18 Halted 0 ms 0 KB -

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 71380 KB Output is correct
2 Correct 33 ms 71368 KB Output is correct
3 Correct 32 ms 71380 KB Output is correct
4 Correct 33 ms 71400 KB Output is correct
5 Correct 39 ms 71464 KB Output is correct
6 Correct 32 ms 71360 KB Output is correct
7 Correct 32 ms 71460 KB Output is correct
8 Correct 31 ms 71476 KB Output is correct
9 Correct 32 ms 71484 KB Output is correct
10 Correct 32 ms 71512 KB Output is correct
11 Correct 32 ms 71372 KB Output is correct
12 Correct 32 ms 71460 KB Output is correct
13 Correct 32 ms 71412 KB Output is correct
14 Correct 33 ms 71468 KB Output is correct
15 Correct 33 ms 71460 KB Output is correct
16 Correct 32 ms 71380 KB Output is correct
17 Incorrect 32 ms 71472 KB Subsequence not disjoint
18 Halted 0 ms 0 KB -