Submission #561529

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
561529	2022-05-13 05:02:36	maximath_1	Palindromes (APIO14_palindrome)	C++11	100 / 100	69 ms	61140 KiB

palindrome

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#include <iostream>
#include <vector>
using namespace std;
#define ll long long
const int MX = 3e5 + 5;
struct palindromic_tree{
  struct node{
    int nxt[26], suff_link, len, cnt;
    vector<int> edges;
  } tree[MX];
  string s;
  int suff, num;
  void add_letter(int pos){
    int cr = suff;
    int cr_len = 0;
    int letter = s[pos] - 'a';
    for(;;){
      cr_len = tree[cr].len;
      if(pos - 1 - cr_len >= 0 && s[pos - 1 - cr_len] == s[pos]) 
        break;
      cr = tree[cr].suff_link;
    }
    if(tree[cr].nxt[letter]){
      suff = tree[cr].nxt[letter];
 
 
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Compilation message (stderr)

palindrome.cpp: In function 'int main()':
palindrome.cpp:81:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |  for(int i = 0; i < s.size(); i ++)
      |                 ~~^~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 24 / 24
• Subtask 4: 26 / 26
• Subtask 5: 27 / 27