Submission #468968

#	Time	Username	Problem	Language	Result	Execution time	Memory
468968		paga2004	Palindromic Partitions (CEOI17_palindromic)	C++17	0 / 100	0 ms	204 KiB

palindromic

#include <bits/stdc++.h>

#ifdef LOCAL
#define dbg(x) cerr << "dgb: " << x << "\n";
#else
#define dbg(x)
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,tune=native")
#endif

#define int int_fast64_t

using namespace std;

signed main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);

  int t;
  cin >> t;
  while (t--) {
    string s;
    cin >> s;
    dbg(s);
    int res = 0;
    int l = 0, r = (int)s.size() - 1;
    while (l <= r) {
      dbg("l " << l << " r " << r);
      int len = 1;
      while (s[l] != s[r]) {
        r--;
        len++;
      }
      if (r == l) {
        res++;
        goto end;
      }

      dbg("len " << len);
      dbg(s.substr(l, len));
      dbg(s.substr(r, len));
      if (s.substr(l, len) != s.substr(r, len)) {
        res++;
        goto end;
      }
      res += 2;
      l += len;
      r--;
      dbg("l " << l << " r " << r);
    }
  end:
    cout << res << "\n";
  }
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 20
• Subtask 3: 0 / 25
• Subtask 4: 0 / 40