結果

問題 No.887 Collatz
コンテスト
ユーザー kya_ski
提出日時 2019-10-04 20:32:39
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 561 bytes
コンパイル時間 1,576 ms
コンパイル使用メモリ 174,964 KB
実行使用メモリ 6,824 KB
最終ジャッジ日時 2024-10-03 06:58:14
合計ジャッジ時間 2,225 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
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@12/12.3.0/include/c++/12/istream:39,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/sstream:38,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/complex:45,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ccomplex:39,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/x86_64-pc-linux-gnu/bits/stdc++.h:54,
                 from main.cpp:1:
In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>]',
    inlined from 'int main()' at main.cpp:27:13:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:202:25: warning: 'one' may be used uninitialized [-Wmaybe-uninitialized]
  202 |       { return _M_insert(__n); }
      |                ~~~~~~~~~^~~~~
main.cpp: In function 'int main()':
main.cpp:18:15: note: 'one' was declared here
   18 |     long long one;
      |               ^~~

ソースコード

diff # 

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

int main(){
    long long N;
    cin >> N;
    vector<long long> A;
    set<long long> S;
    while(!S.count(N)){
        A.push_back(N);
        S.insert(N);
        if(N % 2 == 0)N /= 2;
        else N = 3 * N + 1;
    }
    
    long long n = A.size();
    long long M = -1;
    long long one;
    for(int i = 0; i < n; i++)M = max(M, A[i]);
    for(int i = 0; i < n; i++){
        if(A[i] == 1){
            one = i;
            break;
        }
    }
    
    cout << one << endl << M << endl;
    return 0;
}
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