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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ff first
  4. #define ss second
  5. #define pb push_back
  6. typedef pair<int, int> pii;
  7.  
  8. signed main() {
  9.     ios::sync_with_stdio(0), cin.tie(0);
  10.     int k, Mxans = 0, ans = 0;
  11.     vector<pii> v;
  12.     string a;
  13.     cin >> k >> ws >> a;
  14.     if(a.size() == 1) {
  15.         cout << 1 << '\n';
  16.         return 0;
  17.     }
  18.     v.pb({(isupper(a[0]) ? 1 : 0), 1});
  19.     for(int i=1; i<a.size(); i++) {
  20.         int x = (isupper(a[i]) ? 1 : 0);
  21.         if(v.back().ff == x)
  22.             v.back().ss++;
  23.         else
  24.             v.pb({x, 1});
  25.     }
  26.     for(int i=0; i<v.size(); i++) {
  27.         if(v[i].ss == k || (v[i].ss > k && ans == 0))
  28.             ans += k;
  29.         else if(v[i].ss > k) {
  30.             ans += k;
  31.             Mxans = max(ans, Mxans);
  32.             ans = k;
  33.         }
  34.         else {
  35.             Mxans = max(ans, Mxans);
  36.             ans = 0;
  37.         }
  38.     }
  39.     cout << Mxans << '\n';
  40. }
Success #stdin #stdout 0.01s 5276KB
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https://ideone.com/PjV41m
language:
C++ (gcc 8.3)
created:
106 days ago
visibility:
secret

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