Submission #1215549

#	Time	Username	Problem	Language	Result	Execution time	Memory
1215549		KindaGoodGames	Diversity (CEOI21_diversity)	C++20	0 / 100	7091 ms	412 KiB

diversity

#include<bits/stdc++.h>

#define int long long
using namespace std;

int INF = numeric_limits<int>::max()/2;
int32_t main() {
    int n,q;
    cin>> n >> q;

    vector<int>arr(n);
    for(int i = 0; i < n; i++){
        cin >> arr[i];
    }

    while(q--){
        int l,r;
        cin >> l >> r;
        l--;r--;

        vector<int> cur;
        for(int i = l; i <= r; i++){
            cur.push_back(arr[i]);
        } 
        
        sort(cur.begin(),cur.end()); 

        int mi = INF;
        do{
            
            int sum = 0;
            for(int i = 0; i < cur.size(); i++){
                for(int j = i; j < cur.size(); j++){
                    set<int> occ;
                    for(int k = i; k <= j; k++){
                        occ.insert(cur[k]);
                    }
                    sum += occ.size();
                }
            }
            mi = min(mi,sum);
        }while(next_permutation(cur.begin(),cur.end()));
        cout << mi << endl;
    }
}

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