Submission #1170565

#	Time	Username	Problem	Language	Result	Execution time	Memory
1170565		lopkus	Diversity (CEOI21_diversity)	C++20	0 / 100	1 ms	324 KiB

diversity

#include <bits/stdc++.h>

int main() {
  std::ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  int n, q;
  std::cin >> n >> q;
  std::vector<int> a(n + 1);
  for(int i = 1; i <= n; i++) {
    std::cin >> a[i];
  }
  while(q--) {
    int l, r;
    std::cin >> l >> r;
    int ans = 0;
    std::vector<int> b = a;
    std::sort(b.begin() + l, b.begin() + r + 1);
    for(int L = l; L <= r; L++) {
      std::set<int> st;
      for(int R = L; R <= r; R++) {
        st.insert(b[R]);
        ans += (int)st.size();
      }
    }
    std::cout << ans << "\n";
  }
}

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