Submission #1150148

#	Time	Username	Problem	Language	Result	Execution time	Memory
1150148		eri16	Diversity (CEOI21_diversity)	C++20	0 / 100	0 ms	328 KiB

diversity

#include <bits/stdc++.h>

using namespace std;

int main(){
    int n,q;
    cin>>n>>q;
    
    int arr[n];
    
    for (int i=0; i<n; i++){
        cin>>arr[i];
    }
    
    int x,y,t=1;
    
    cin>>x>>y;
    
    vector <int> v;
    
    sort (arr,arr+y);

    for (int i=1; i<y+1; i++){
        if (arr[i]==arr[i-1]){t++;}
        else{v.push_back((t*(t+1))/2);t=1;}
    }
    if (t!=1){v.push_back(((t-1)*t)/2);}
    sort(v.begin(), v.end());
    reverse(v.begin(), v.end());
    
    int k,l;
    
    //for (int i=0; i<v.size(); i++){cout<<v[i]<<' ';}
    //cout<<endl;
    t=0;
    for (int i=v.size(); i>1; i--){
        k=v[i-1];
        l=v[i-2];
        v.pop_back();
        v.pop_back();
        v.push_back((k+l+t)*2);
        t++;
    }
    cout<<v[0];

     
    
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 10
• Subtask 3: 0 / 8
• Subtask 4: 0 / 16
• Subtask 5: 0 / 26
• Subtask 6: 0 / 36