Cod sursa(job #3123889)

Utilizator CRazvaN6Cutuliga Razvan CRazvaN6 Data 25 aprilie 2023 20:15:29
Problema Secventa 5 Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.61 kb
#include <bits/stdc++.h>
using namespace std;

ifstream f("secv5.in");
ofstream g("secv5.out");

int main() {
    int n, l, u;
    f >> n >> l >> u;
    vector<int> a(n);
    for (int i = 0; i < n; i++) {
        f >> a[i];
    }

    int ans = 0;
    for (int i = 0; i < n; i++) {
        unordered_set<int> s;
        for (int j = i; j < n; j++) {
            s.insert(a[j]);
            if (s.size() >= l && s.size() <= u) {
                ans++;
            }
            if (s.size() > u) {
                break;
            }
        }
    }

    g << ans << endl;
    return 0;
}