#633645 (C++17(clang)) No.293 4>7の世界

• 問題: No.293 4>7の世界
• ユーザー: tanimani364
• 提出日時: 2021-03-24 21:37:46
• 言語: C++17(clang) (17.0.6 + boost 1.87.0)
• 結果: AC
• 実行時間: 2 ms / 2,000 ms
• コード長: 2,121 bytes
• コンパイル時間: 1,909 ms
• コンパイル使用メモリ: 162,056 KB
• 実行使用メモリ: 5,248 KB
• 最終ジャッジ日時: 2024-11-26 23:25:25
• 合計ジャッジ時間: 2,724 ms
• ジャッジサーバーID （参考情報）: judge5 / judge1

ファイルパターン	結果
sample	AC * 4
other	AC * 20

ソースコード

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#include <bits/stdc++.h>
//#include<boost/multiprecision/cpp_int.hpp>
//#include<boost/multiprecision/cpp_dec_float.hpp>
//#include <atcoder/all>
#define rep(i, a) for (int i = (int)0; i < (int)a; ++i)
#define rrep(i, a) for (int i = (int)a - 1; i >= 0; --i)
#define REP(i, a, b) for (int i = (int)a; i < (int)b; ++i)
#define RREP(i, a, b) for (int i = (int)a - 1; i >= b; --i)
#define repl(i, a) for (ll i = (ll)0; i < (ll)a; ++i)
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define popcount __builtin_popcount
#define fi first
#define se second
using ll = long long;
constexpr ll mod = 1e9 + 7;
constexpr ll mod_998244353 = 998244353;
constexpr ll INF = 1LL << 60;
// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
//using lll=boost::multiprecision::cpp_int;
//using Double=boost::multiprecision::number<boost::multiprecision::cpp_dec_float<1024>>;//仮数部が1024桁
template <class T>
inline bool chmin(T &a, T b)
{
    if (a > b)
    {
        a = b;
        return true;
    }
    return false;
}
template <class T>
inline bool chmax(T &a, T b)
{
    if (a < b)
    {
        a = b;
        return true;
    }
    return false;
}
template <typename T>
T mypow(T x, T n, const T &p = -1)
{ //x^nをmodで割った余り
    if (p != -1)
    {
        x %= p;
    }
    T ret = 1;
    while (n > 0)
    {
        if (n & 1)
        {
            if (p != -1)
                ret = (ret * x) % p;
            else
                ret *= x;
        }
        if (p != -1)
            x = (x * x) % p;
        else
            x *= x;
        n >>= 1;
    }
    return ret;
}
using namespace std;
//using namespace atcoder;
void solve()
{
    string a,b;
    cin>>a>>b;
    if(a.size()>b.size())cout<<a<<"\n";
    else if(a.size()<b.size())cout<<b<<"\n";
    else{
        int n=a.size();
        rep(i,n){
            if(a[i]!=b[i]){
                if(a[i]=='4'&&b[i]=='7'){
                    cout<<a<<"\n";
                }
                else if(a[i]=='7'&&b[i]=='4'){
                    cout<<b<<"\n";
                }
                else {
                    if(a[i]>b[i]){
                        cout<<a<<"\n";
                    }else{
                        cout<<b<<"\n";
                    }
                }
                return;
            }
        }
    }
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(15);
    solve();
    return 0;
}
 
 
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