oj.uz

Submission #703773

# Submission time Handle Problem Language Result Execution time Memory
703773 2023-02-28T10:33:41 Z weakweakweak Volontiranje (COCI21_volontiranje) C++14
10 / 110
 47 ms 71592 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;
        bool br=0;
        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){
                    br=1;
                    break;}
            i=*it;
        }
        v.push_back(i);
        if(v.size()!=lis.size()||br)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:49:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |         for(int i=0; i<v.size()-1; i++)st[i+1].erase(v[i]);
      |                      ~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 71368 KB Output is correct
2 Correct 41 ms 71372 KB Output is correct
3 Correct 34 ms 71372 KB Output is correct
4 Correct 35 ms 71480 KB Output is correct
5 Correct 33 ms 71480 KB Output is correct
6 Correct 38 ms 71368 KB Output is correct
7 Correct 33 ms 71444 KB Output is correct
8 Correct 32 ms 71380 KB Output is correct
9 Correct 33 ms 71396 KB Output is correct
10 Correct 34 ms 71444 KB Output is correct
11 Correct 34 ms 71412 KB Output is correct
12 Correct 35 ms 71412 KB Output is correct
13 Correct 34 ms 71420 KB Output is correct
14 Correct 33 ms 71444 KB Output is correct
15 Correct 33 ms 71380 KB Output is correct
16 Correct 34 ms 71492 KB Output is correct
17 Correct 33 ms 71408 KB Output is correct
18 Correct 35 ms 71472 KB Output is correct
19 Correct 36 ms 71468 KB Output is correct
20 Correct 41 ms 71372 KB Output is correct
21 Correct 47 ms 71436 KB Output is correct
22 Correct 42 ms 71380 KB Output is correct
23 Correct 38 ms 71480 KB Output is correct

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 71368 KB Output is correct
2 Correct 41 ms 71372 KB Output is correct
3 Correct 34 ms 71372 KB Output is correct
4 Correct 35 ms 71480 KB Output is correct
5 Correct 33 ms 71480 KB Output is correct
6 Correct 38 ms 71368 KB Output is correct
7 Correct 33 ms 71444 KB Output is correct
8 Correct 32 ms 71380 KB Output is correct
9 Correct 33 ms 71396 KB Output is correct
10 Correct 34 ms 71444 KB Output is correct
11 Correct 34 ms 71412 KB Output is correct
12 Correct 35 ms 71412 KB Output is correct
13 Correct 34 ms 71420 KB Output is correct
14 Correct 33 ms 71444 KB Output is correct
15 Correct 33 ms 71380 KB Output is correct
16 Correct 34 ms 71492 KB Output is correct
17 Correct 33 ms 71408 KB Output is correct
18 Correct 35 ms 71472 KB Output is correct
19 Correct 36 ms 71468 KB Output is correct
20 Correct 41 ms 71372 KB Output is correct
21 Correct 47 ms 71436 KB Output is correct
22 Correct 42 ms 71380 KB Output is correct
23 Correct 38 ms 71480 KB Output is correct
24 Correct 35 ms 71500 KB Output is correct
25 Correct 42 ms 71476 KB Output is correct
26 Correct 38 ms 71472 KB Output is correct
27 Correct 36 ms 71448 KB Output is correct
28 Correct 39 ms 71492 KB Output is correct
29 Correct 34 ms 71508 KB Output is correct
30 Correct 32 ms 71592 KB Output is correct
31 Correct 38 ms 71528 KB Output is correct
32 Correct 34 ms 71572 KB Output is correct
33 Incorrect 33 ms 71476 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 71368 KB Output is correct
2 Correct 41 ms 71372 KB Output is correct
3 Correct 34 ms 71372 KB Output is correct
4 Correct 35 ms 71480 KB Output is correct
5 Correct 33 ms 71480 KB Output is correct
6 Correct 38 ms 71368 KB Output is correct
7 Correct 33 ms 71444 KB Output is correct
8 Correct 32 ms 71380 KB Output is correct
9 Correct 33 ms 71396 KB Output is correct
10 Correct 34 ms 71444 KB Output is correct
11 Correct 34 ms 71412 KB Output is correct
12 Correct 35 ms 71412 KB Output is correct
13 Correct 34 ms 71420 KB Output is correct
14 Correct 33 ms 71444 KB Output is correct
15 Correct 33 ms 71380 KB Output is correct
16 Correct 34 ms 71492 KB Output is correct
17 Correct 33 ms 71408 KB Output is correct
18 Correct 35 ms 71472 KB Output is correct
19 Correct 36 ms 71468 KB Output is correct
20 Correct 41 ms 71372 KB Output is correct
21 Correct 47 ms 71436 KB Output is correct
22 Correct 42 ms 71380 KB Output is correct
23 Correct 38 ms 71480 KB Output is correct
24 Correct 35 ms 71500 KB Output is correct
25 Correct 42 ms 71476 KB Output is correct
26 Correct 38 ms 71472 KB Output is correct
27 Correct 36 ms 71448 KB Output is correct
28 Correct 39 ms 71492 KB Output is correct
29 Correct 34 ms 71508 KB Output is correct
30 Correct 32 ms 71592 KB Output is correct
31 Correct 38 ms 71528 KB Output is correct
32 Correct 34 ms 71572 KB Output is correct
33 Incorrect 33 ms 71476 KB Output isn't correct
34 Halted 0 ms 0 KB -