Submission #745149

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
745149	2023-05-19 13:03:13	ACE_	Palindromes (APIO14_palindrome)	C++14	100 / 100	73 ms	87768 KiB

palindrome

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#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N = 3e5 + 5;
int cnt[N], in[N], last = 0, cur = 1;
struct eer {
    int e[26], suf, sz;
} t[N];
vector<int> V[N];
string s;
void add(int i) {
    while(true) {
        if(s[i] == s[i - t[last].sz - 1]) {
            if(t[last].e[s[i] - 'a']) {
                last = t[last].e[s[i] - 'a'];
                ++cnt[last];
                return;
            }
            t[last].e[s[i] - 'a'] = ++cur;
            t[cur].sz = t[last].sz + 2;
            cnt[cur] = 1;
            break;
        }
        last = t[last].suf;
    }
    int id = t[last].suf;
    if(last == 0) {
        t[cur].suf = 1;
        last = cur;
        return;
 
 
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Compilation message (stderr)

palindrome.cpp:45:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   45 | main(){
      | ^~~~
palindrome.cpp: In function 'int main()':
palindrome.cpp:50:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |     for(int i = 0; i < s.size(); i++) {
      |                    ~~^~~~~~~~~~
palindrome.cpp:62:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |         for(int i = 0; i < V[x].size(); i++) {
      |                        ~~^~~~~~~~~~~~~

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