Submission #1034222

#	Time	Username	Problem	Language	Result	Execution time	Memory
1034222		vjudge1	Diversity (CEOI21_diversity)	C++17	0 / 100	0 ms	348 KiB

diversity

#include <bits/stdc++.h>
using namespace std;
#define int long long
 
 map<int, int> val;
 
 bool cmp(int a, int b){
    return val[a] < val[b];
 }
 
signed main()
{
    int n, q; cin >> n >> q;
    vector<int> a(n);
   
    for (int i = 0; i < n; i++){
        cin >> a[i];
        val[a[i]]++;
    }
    sort(a.begin(), a.end(), cmp);
    
    int ans = 0;
    while(q--){
        int l, r; cin >> l >> r;
        l--; r--;
        for (int i = 0; i < n; i++){
            set<int> v;
            for (int j = i; j < n; j++){
                v.insert(a[j]);
                ans += v.size();
            }
        }
    }
    cout << ans << 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