Submission #442956

#	Time	Username	Problem	Language	Result	Execution time	Memory
442956		Soumya1	Nivelle (COCI20_nivelle)	C++14	110 / 110	77 ms	608 KiB

nivelle

#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n;
  string s;
  cin >> n >> s;
  int last[26];
  for (int i = 0; i < 26; i++) last[i] = -1;
  int nu = 1, d = 1;
  int l = 0, r = n - 1;
  for (int i = 0; i < n; i++) {
    last[s[i] - 'a'] = i;
    vector<int> v;
    for (int j = 0; j < 26; j++) v.push_back(last[j]);
    sort(v.rbegin(), v.rend());
    int j;
    for (j = 1; j < 26; j++) {
      if (v[j] == -1) break;
      int nn = j;
      int dd = i - v[j];
      if (nu * dd >= d * nn) nu = nn, d = dd, l = v[j] + 1, r = i;
    }
    if (nu * (i + 1) >= d * j) nu = j, d = i + 1, l = 0, r = i;
  }
  cout << l + 1 << " " << r + 1 << "\n";
  return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 17 / 17
• Subtask 3: 13 / 13
• Subtask 4: 25 / 25
• Subtask 5: 48 / 48