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Submission #1114970

# Submission time Handle Problem Language Result Execution time Memory
1114970 2024-11-19T21:16:29 Z Marco_Escandon Rice Hub (IOI11_ricehub) C++11
100 / 100
 157 ms 20132 KB 
#include "ricehub.h"

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>
 
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
typedef tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update> ordered_set;
struct st{
    vector<ll> cad;
    void update(ll a, ll b)
    {
        for(a; a<cad.size(); a+=(a&-a)) cad[a]+=b;
    }
    ll query(ll a)
    {
        ll s=0;
        for(a; a>0; a-=(a&-a)) s+=cad[a];
        return s;
    }
    ll query(ll a, ll b) {return query(b)-query(a-1);}
    st(ll n){ cad.resize(n+5);}
}asd(300000);
int besthub(int R, int L, int X[], long long B)
{
    ll n=R,k=B,c=1;
    ordered_set s;
    ll cad[n];
    vector<ll>asdf;
    map<ll,ll> mapa;
    for(int i=0; i<n; i++)
    {
        cad[i]=X[i];
        asdf.push_back(cad[i]);
    }
    sort(asdf.begin(),asdf.end());
    for(auto i:asdf){if(mapa[i]==0){mapa[i]=c++;}}
    ll z=0;
    ll bs=0;
    for(int i=0; i<n; i++)
    {
        s.insert(cad[i]);
        asd.update(mapa[cad[i]],cad[i]);
 
        ll mediana = *s.find_by_order((s.size()-1)/2);
        ll temp=s.order_of_key(mediana);
        
        while(temp*mediana-asd.query(mapa[mediana]-1)+asd.query(mapa[mediana],300000)-(s.size()-temp)*mediana>k)
        {
            s.erase(s.find_by_order(s.order_of_key(cad[z])));
            asd.update(mapa[cad[z]],-cad[z]);
            z++;
            mediana = *s.find_by_order((s.size()-1)/2);
            temp=s.order_of_key(mediana);
        }
        //cerr<<temp*mediana-asd.query(mapa[mediana]-1)+asd.query(mapa[mediana],300000)-(s.size()-temp)*mediana<<" ";
        //cerr<<z<<" "<<i<<"\n";
        bs=max(bs,(ll)s.size());
    }
    return (int)bs;
}

Compilation message

ricehub.cpp: In member function 'void st::update(ll, ll)':
ricehub.cpp:15:13: warning: statement has no effect [-Wunused-value]
   15 |         for(a; a<cad.size(); a+=(a&-a)) cad[a]+=b;
      |             ^
ricehub.cpp:15:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |         for(a; a<cad.size(); a+=(a&-a)) cad[a]+=b;
      |                ~^~~~~~~~~~~
ricehub.cpp: In member function 'll st::query(ll)':
ricehub.cpp:20:13: warning: statement has no effect [-Wunused-value]
   20 |         for(a; a>0; a-=(a&-a)) s+=cad[a];
      |             ^
ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:50:110: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'll' {aka 'long long int'} [-Wsign-compare]
   50 |         while(temp*mediana-asd.query(mapa[mediana]-1)+asd.query(mapa[mediana],300000)-(s.size()-temp)*mediana>k)
      |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2640 KB Output is correct
2 Correct 1 ms 2640 KB Output is correct
3 Correct 2 ms 2640 KB Output is correct
4 Correct 1 ms 2640 KB Output is correct
5 Correct 2 ms 2640 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2640 KB Output is correct
2 Correct 1 ms 2640 KB Output is correct
3 Correct 1 ms 2640 KB Output is correct
4 Correct 1 ms 2640 KB Output is correct
5 Correct 1 ms 2796 KB Output is correct
6 Correct 2 ms 2808 KB Output is correct
7 Correct 1 ms 2640 KB Output is correct
8 Correct 1 ms 2640 KB Output is correct
9 Correct 2 ms 2640 KB Output is correct
10 Correct 1 ms 2640 KB Output is correct
11 Correct 2 ms 2800 KB Output is correct
12 Correct 1 ms 2640 KB Output is correct
13 Correct 2 ms 2640 KB Output is correct
14 Correct 2 ms 2868 KB Output is correct
15 Correct 2 ms 2640 KB Output is correct
16 Correct 1 ms 2640 KB Output is correct
17 Correct 1 ms 2640 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2640 KB Output is correct
20 Correct 1 ms 2896 KB Output is correct
21 Correct 2 ms 2640 KB Output is correct
22 Correct 2 ms 2640 KB Output is correct
23 Correct 2 ms 2640 KB Output is correct
24 Correct 2 ms 2640 KB Output is correct
25 Correct 2 ms 2640 KB Output is correct
26 Correct 2 ms 2640 KB Output is correct
27 Correct 2 ms 2640 KB Output is correct
28 Correct 2 ms 2640 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2816 KB Output is correct
2 Correct 1 ms 2640 KB Output is correct
3 Correct 2 ms 2896 KB Output is correct
4 Correct 2 ms 2896 KB Output is correct
5 Correct 2 ms 2640 KB Output is correct
6 Correct 1 ms 2640 KB Output is correct
7 Correct 2 ms 2640 KB Output is correct
8 Correct 2 ms 2640 KB Output is correct
9 Correct 1 ms 2640 KB Output is correct
10 Correct 2 ms 2812 KB Output is correct
11 Correct 2 ms 2640 KB Output is correct
12 Correct 2 ms 2640 KB Output is correct
13 Correct 2 ms 2896 KB Output is correct
14 Correct 2 ms 3072 KB Output is correct
15 Correct 1 ms 2640 KB Output is correct
16 Correct 1 ms 2640 KB Output is correct
17 Correct 1 ms 2896 KB Output is correct
18 Correct 2 ms 2808 KB Output is correct
19 Correct 2 ms 2896 KB Output is correct
20 Correct 2 ms 2896 KB Output is correct
21 Correct 3 ms 2896 KB Output is correct
22 Correct 3 ms 2896 KB Output is correct
23 Correct 4 ms 3408 KB Output is correct
24 Correct 4 ms 3408 KB Output is correct
25 Correct 5 ms 3408 KB Output is correct
26 Correct 5 ms 3420 KB Output is correct
27 Correct 5 ms 3396 KB Output is correct
28 Correct 5 ms 3420 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 4300 KB Output is correct
2 Correct 19 ms 4556 KB Output is correct
3 Correct 139 ms 19940 KB Output is correct
4 Correct 137 ms 20088 KB Output is correct
5 Correct 22 ms 6348 KB Output is correct
6 Correct 22 ms 6516 KB Output is correct
7 Correct 106 ms 13744 KB Output is correct
8 Correct 101 ms 13768 KB Output is correct
9 Correct 56 ms 6856 KB Output is correct
10 Correct 46 ms 6856 KB Output is correct
11 Correct 154 ms 20016 KB Output is correct
12 Correct 157 ms 20132 KB Output is correct
13 Correct 62 ms 9040 KB Output is correct
14 Correct 59 ms 9164 KB Output is correct
15 Correct 101 ms 16160 KB Output is correct
16 Correct 102 ms 16060 KB Output is correct
17 Correct 128 ms 18372 KB Output is correct
18 Correct 122 ms 18364 KB Output is correct
19 Correct 140 ms 19164 KB Output is correct
20 Correct 142 ms 19132 KB Output is correct