結果

問題 No.2204 Palindrome Splitting (No Rearrangement ver.)
コンテスト
ユーザー 鴨志田卓
提出日時 2023-07-21 01:08:06
言語 C++17(gcc12)
(gcc 12.3.0 + boost 1.87.0)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 522 bytes
コンパイル時間 7,628 ms
コンパイル使用メモリ 244,436 KB
最終ジャッジ日時 2025-02-15 16:00:16
ジャッジサーバーID
（参考情報） 		judge2 / judge1
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。（リジャッジ後のコンパイルエラーは公開されます）
ただし、clay言語の場合は開発者のデバッグのため、公開されます。

コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:19:9: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'char*')
   19 |     cin >> (s + 1);
      |     ~~~ ^~ ~~~~~~~
      |     |         |
      |     |         char*
      |     std::istream {aka std::basic_istream<char>}
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.4.0/include/c++/12/sstream:38,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.4.0/include/c++/12/complex:45,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.4.0/include/c++/12/ccomplex:39,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.4.0/include/c++/12/x86_64-pc-linux-gnu/bits/stdc++.h:54,
                 from main.cpp:1:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.4.0/include/c++/12/istream:168:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  168 |       operator>>(bool& __n)
      |       ^~~~~~~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.4.0/include/c++/12/istream:168:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:19:15: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'char*'
   19 |     cin >> (s + 1);
      |            ~~~^~~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.4.0/include/c++/12/istream:172:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  172 |       operator>>(short& __n);
      |       ^~~~~~~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.4.0/include/c++/12/istream:172:7: note:   conversion of argument 1 would be ill-formed:
main.cpp:19:15: error: invalid conversion from 'char*' to 'short int' [-fpermissive]
   19 |     cin >

ソースコード

diff # 

#include <bits/stdc++.h>
using namespace std;

const int N = 5050;

char s[N];
int n;

int ok[N][N], dp[N];

bool p(int l, int r) {
    if(r - l < 1) return true;
    if(!ok[l][r])
        ok[l][r] = p(l + 1, r - 1) && s[l] == s[r] ? 1 : -1;
    return ok[l][r] > 0;
}

int main() {
    cin >> (s + 1);
    n = strlen(s + 1);
    dp[0] = N;
    for(int i = 1; i <= n; i ++) {
        for(int j = 1; j <= i; j ++) {
            if(p(j, i)) dp[i] = max(dp[i], min(dp[j - 1], i - j + 1));
        }
    }
    cout << dp[n];
}
0