This documentation is automatically generated by online-judge-tools/verification-helper
// competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/enumerate_palindromes
#include "../../template/template.hpp"
#include "../../string/manacher.hpp"
int main() {
string s;
cin >> s;
cout << manacher(s) << "\n";
}
#line 1 "test/verify/yosupo-enumerate-palindromes.test.cpp"
// competitive-verifier: PROBLEM https://judge.yosupo.jp/problem/enumerate_palindromes
#line 1 "template/template.hpp"
#include<bits/stdc++.h>
using namespace std;
using int64 = long long;
const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;
struct IoSetup {
IoSetup() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
cout << fixed << setprecision(10);
cerr << fixed << setprecision(10);
}
} iosetup;
template< typename T1, typename T2 >
ostream &operator<<(ostream &os, const pair< T1, T2 >& p) {
os << p.first << " " << p.second;
return os;
}
template< typename T1, typename T2 >
istream &operator>>(istream &is, pair< T1, T2 > &p) {
is >> p.first >> p.second;
return is;
}
template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
for(int i = 0; i < (int) v.size(); i++) {
os << v[i] << (i + 1 != v.size() ? " " : "");
}
return os;
}
template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
for(T &in : v) is >> in;
return is;
}
template< typename T1, typename T2 >
inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
template< typename T1, typename T2 >
inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }
template< typename T = int64 >
vector< T > make_v(size_t a) {
return vector< T >(a);
}
template< typename T, typename... Ts >
auto make_v(size_t a, Ts... ts) {
return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...));
}
template< typename T, typename V >
typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) {
t = v;
}
template< typename T, typename V >
typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) {
for(auto &e : t) fill_v(e, v);
}
template< typename F >
struct FixPoint : F {
explicit FixPoint(F &&f) : F(forward< F >(f)) {}
template< typename... Args >
decltype(auto) operator()(Args &&... args) const {
return F::operator()(*this, forward< Args >(args)...);
}
};
template< typename F >
inline decltype(auto) MFP(F &&f) {
return FixPoint< F >{forward< F >(f)};
}
#line 4 "test/verify/yosupo-enumerate-palindromes.test.cpp"
#line 1 "string/manacher.hpp"
/**
* @brief Manacher(最長回文)
*/
template< typename S >
vector< int > manacher(S s, bool calc_even = true) {
if(calc_even) {
int n = (int) s.size();
assert(n > 0);
s.resize(2 * n - 1);
for(int i = n - 1; i >= 0; i--) {
s[2 * i] = s[i];
}
auto d = *min_element(begin(s), end(s));
for(int i = 0; i < n - 1; i++) {
s[2 * i + 1] = d;
}
}
int n = (int) s.size();
vector< int > rad(n);
{
int i = 0, j = 0;
while(i < n) {
while(i - j >= 0 && i + j < n && s[i - j] == s[i + j]) ++j;
rad[i] = j;
int k = 1;
while(i - k >= 0 && i + k < n && k + rad[i - k] < j) {
rad[i + k] = rad[i - k];
++k;
}
i += k, j -= k;
}
}
if(calc_even) {
for(int i = 0; i < n; i++) {
if(((i ^ rad[i]) & 1) == 0) rad[i]--;
}
} else {
for(auto &&x: rad) x = 2 * x - 1;
}
return rad;
}
#line 6 "test/verify/yosupo-enumerate-palindromes.test.cpp"
int main() {
string s;
cin >> s;
cout << manacher(s) << "\n";
}
Env | Name | Status | Elapsed | Memory |
---|---|---|---|---|
g++ | all_same_00 | AC | 61 ms | 9 MB |
g++ | all_same_01 | AC | 61 ms | 9 MB |
g++ | all_same_02 | AC | 70 ms | 9 MB |
g++ | all_same_03 | AC | 70 ms | 9 MB |
g++ | all_same_04 | AC | 71 ms | 9 MB |
g++ | example_00 | AC | 6 ms | 4 MB |
g++ | example_01 | AC | 6 ms | 4 MB |
g++ | example_02 | AC | 6 ms | 4 MB |
g++ | example_03 | AC | 6 ms | 4 MB |
g++ | max_random_00 | AC | 54 ms | 9 MB |
g++ | max_random_01 | AC | 55 ms | 9 MB |
g++ | max_random_02 | AC | 55 ms | 9 MB |
g++ | max_random_03 | AC | 56 ms | 9 MB |
g++ | max_random_04 | AC | 58 ms | 9 MB |
g++ | random_00 | AC | 44 ms | 8 MB |
g++ | random_01 | AC | 54 ms | 9 MB |
g++ | random_02 | AC | 12 ms | 4 MB |
g++ | random_03 | AC | 50 ms | 8 MB |
g++ | random_04 | AC | 34 ms | 7 MB |
g++ | small_00 | AC | 6 ms | 4 MB |
g++ | small_01 | AC | 6 ms | 4 MB |
g++ | small_02 | AC | 6 ms | 4 MB |
g++ | small_03 | AC | 6 ms | 4 MB |
g++ | small_04 | AC | 6 ms | 4 MB |
clang++ | all_same_00 | AC | 60 ms | 9 MB |
clang++ | all_same_01 | AC | 65 ms | 9 MB |
clang++ | all_same_02 | AC | 70 ms | 9 MB |
clang++ | all_same_03 | AC | 69 ms | 9 MB |
clang++ | all_same_04 | AC | 68 ms | 9 MB |
clang++ | example_00 | AC | 6 ms | 4 MB |
clang++ | example_01 | AC | 6 ms | 4 MB |
clang++ | example_02 | AC | 6 ms | 4 MB |
clang++ | example_03 | AC | 6 ms | 4 MB |
clang++ | max_random_00 | AC | 55 ms | 9 MB |
clang++ | max_random_01 | AC | 59 ms | 9 MB |
clang++ | max_random_02 | AC | 55 ms | 9 MB |
clang++ | max_random_03 | AC | 59 ms | 9 MB |
clang++ | max_random_04 | AC | 59 ms | 9 MB |
clang++ | random_00 | AC | 47 ms | 8 MB |
clang++ | random_01 | AC | 54 ms | 8 MB |
clang++ | random_02 | AC | 12 ms | 4 MB |
clang++ | random_03 | AC | 50 ms | 8 MB |
clang++ | random_04 | AC | 35 ms | 7 MB |
clang++ | small_00 | AC | 6 ms | 4 MB |
clang++ | small_01 | AC | 6 ms | 4 MB |
clang++ | small_02 | AC | 6 ms | 4 MB |
clang++ | small_03 | AC | 6 ms | 4 MB |
clang++ | small_04 | AC | 6 ms | 4 MB |