Submission #799691

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
799691	2023-07-31 20:25:06	Johann	Diversity (CEOI21_diversity)	C++14	100 / 100	6498 ms	11656 KiB

diversity

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#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll, ll> pii;
typedef vector<pii> vpii;
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
const ll INF = 1e18;
int N, Q;
int A[300007];
ll ans[50005];
int freq[300007];
int cnt[300007];
unordered_set<int> S;
int stuff[1000];
ll tmp;
int pref, suff, n;
struct query
{
    int l, r, idx;
};
ll numberOfSubsequences(ll x)
{
    return x * (x + 1) / 2;
}
 
 
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