Submission #1233391

#	Time	Username	Problem	Language	Result	Execution time	Memory
1233391		vtnoo	Diversity (CEOI21_diversity)	C++20	0 / 100	1 ms	324 KiB

diversity

#include <bits/stdc++.h>
using namespace std;

#define ll long long

int main(){	
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr); 	
    int n,q;cin>>n>>q;
    vector<int> v(n);
    for(int i=0;i<n;i++){
		cin>>v[i];
	}
	sort(v.begin(), v.end());
	while(q--){
		int l,r;cin>>l>>r;
		ll ans=0;
		for(int i=0;i<n;i++){
			for(int j=i;j<n;j++){
				int cur=0;
				set<int> s;
				for(int k=i; k<=j; k++){
					s.insert(v[k]);
					cur+=s.size();
				}
				ans+=cur;
			}
		}
		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