結果

問題 No.443 GCD of Permutation
コンテスト
ユーザー BlackHIG
提出日時 2025-01-25 16:25:32
言語 C++23
(gcc 15.2.0 + boost 1.90.0)
コンパイル:
g++-15 -O2 -lm -std=c++23 -Wuninitialized -DONLINE_JUDGE -o a.out _filename_
実行:
./a.out
結果
WA  
実行時間 -
コード長 645 bytes
記録
記録タグの例:
初AC ショートコード 純ショートコード 純主流ショートコード 最速実行時間
コンパイル時間 1,168 ms
コンパイル使用メモリ 148,676 KB
実行使用メモリ 6,400 KB
最終ジャッジ日時 2026-06-23 16:35:51
合計ジャッジ時間 2,196 ms
ジャッジサーバーID
（参考情報） 		judge3_1 / judge1_0
このコードへのチャレンジ
（要ログイン）
ファイルパターン 結果
sample AC * 3 WA * 1
other AC * 26 WA * 2
権限があれば一括ダウンロードができます
コンパイルメッセージ
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/x86_64-pc-linux-gnu/bits/c++allocator.h:33,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/allocator.h:46,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/string:45,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/locale_classes.h:42,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/ios_base.h:43,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/ios:46,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/ostream.h:43,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/ostream:42,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/iostream:43,
                 from main.cpp:1:
In member function 'void std::__new_allocator<_Tp>::deallocate(_Tp*, size_type) [with _Tp = char]',
    inlined from 'constexpr void std::allocator< <template-parameter-1-1> >::deallocate(_Tp*, std::size_t) [with _Tp = char]' at /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/allocator.h:215:35,
    inlined from 'static constexpr void std::allocator_traits<std::allocator<_CharT> >::deallocate(allocator_type&, pointer, size_type) [with _Tp = char]' at /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/alloc_traits.h:649:23,
    inlined from 'constexpr void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_destroy(size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]' at /home/linuxbrew/.linuxbrew/Cellar/gcc/15.2.0_1/include/c++/15/bits/basic_string.h:305:34,
    inlined from 'constexpr void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_dispose() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]

ソースコード

diff #
raw source code 

#include <iostream>
#include <numeric>

using namespace std;

bool appear[15];

bool factor(string s, int mod) {
	int x = 0;
	for(char c : s) {
		x = x * 10 + (c - '0');
		x %= mod;
	}
	return !x;
}

int main() {
    string n;
    cin >> n;
    
    for(auto c : n) {
        appear[c - '0'] = true;
    }

    int g = 0;
    for(int i = 0; i <= 9; i++) {
        for(int j = 0; j < i; j++) {
            if(appear[i] and appear[j]) {
                g = gcd(g, 9 * (i - j));
            }
        }
    }

    for(int i = g; i >= 1; i--) {
        if(g % i == 0 and factor(n, i)) {
            cout << i;
            return 0;
        }
    }
}
0