#776462 (C++14) No.443 GCD of Permutation

• 問題: No.443 GCD of Permutation
• ユーザー: SAAD AHMAD
• 提出日時: 2022-07-06 22:17:52
• 言語: C++14 (gcc 13.3.0 + boost 1.87.0)
• 結果: AC
• 実行時間: 3 ms / 1,000 ms
• コード長: 1,734 bytes
• コンパイル時間: 2,086 ms
• コンパイル使用メモリ: 174,628 KB
• 実行使用メモリ: 5,248 KB
• 最終ジャッジ日時: 2024-12-23 08:22:52
• 合計ジャッジ時間: 3,239 ms
• ジャッジサーバーID （参考情報）: judge2 / judge5

ファイルパターン	結果
sample	AC * 4
other	AC * 28

ソースコード

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#include <bits/stdc++.h>
using namespace std;
#define fast_io ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL)
#define pb push_back
#define int long long
#define ll long long
#define ld long double
#define rep(i, n) for (ll i=0; i<n; i++)
#define repi1(i, n) for (ll i = n; i >=0; i--)
#define mem(v, ha) memset(v, ha, sizeof(v))
#define all(a)  a.begin(), a.end()
#define allr(a)  a.rbegin(), a.rend()
#define CLOCK cerr << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";
typedef vector<ll> vi;
typedef vector<vector<int>> vvi;
typedef vector<pair<ll, ll>> vpi;
typedef vector<char> vc;
#define no cout << "NO\n"
#define yes cout << "YES\n"
#define mp make_pair
#define ff first
#define ss second
const ll M = 1e9 + 7;
const ll mod = 998244353 ;
const long double PI = 3.141592653589793238460;
const int inf = (int)(1e9);
// auto sum=[&](int use, int y){return use+y;};
void solve()
{
    string s;
    cin >> s;
    int g = 0;
    set<int>se;
    rep(i, s.size())
    se.insert(s[i] - '0');
    vi s1;
    for (auto l : se)
        s1.pb(l);
    for (int i = 0; i < s1.size(); i++)
    {
        for (int j = 0; j <  s1.size(); j++)
        {   if (s1[i] < s1[j])
                continue;
            int k = s1[i] - '0';
            int l = s1[j] - '0';
            g = __gcd(g, 9 * (k - l));
        }
    }
    //  cout << g;
    // int k = (stoi)(s);
    if (g == 0)
    {
        cout << s << '\n';
        return;
    }
    int k = 0;
    rep(i, s.size())
    {
        k *= 10;
        k += s[i] - '0';
        k %= g;
    }
    cout << __gcd(g, k ) << '\n';
}
int32_t main()
{
    fast_io;
    int T = 1;
    // cin >> T;
    while (T--)
    {
        solve();
    }
}
 
 
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