結果

問題 No.64 XORフィボナッチ数列
ユーザー tkmst201
提出日時 2021-01-12 16:28:27
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 3 ms / 5,000 ms
コード長 783 bytes
コンパイル時間 1,978 ms
コンパイル使用メモリ 191,576 KB
最終ジャッジ日時 2025-01-17 16:28:46
ジャッジサーバーID
（参考情報） 		judge3 / judge5
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ファイルパターン 結果
sample AC * 3
other AC * 11
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 /usr/include/c++/13/istream:41,
                 from /usr/include/c++/13/sstream:40,
                 from /usr/include/c++/13/complex:45,
                 from /usr/include/c++/13/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:127,
                 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:24:10:
/usr/include/c++/13/ostream:204:25: warning: ‘ans’ may be used uninitialized [-Wmaybe-uninitialized]
  204 |       { return _M_insert(__n); }
      |                ~~~~~~~~~^~~~~
main.cpp: In function ‘int main()’:
main.cpp:19:12: note: ‘ans’ was declared here
   19 |         ll ans;
      |            ^~~

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) begin(v),end(v)
template<typename A, typename B> inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; }
template<typename A, typename B> inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; }
using ll = long long;
using pii = pair<int, int>;
constexpr ll INF = 1ll<<30;
constexpr ll longINF = 1ll<<60;
constexpr ll MOD = 1000000007;
constexpr bool debug = false;
//---------------------------------//
int main() {
    ll F0, F1, N;
    cin >> F0 >> F1 >> N;
    ll ans;
    N %= 3;
    if (N == 0) ans = F0;
    else if (N == 1) ans = F1;
    else if (N == 2) ans = F0 ^ F1;
    cout << ans << endl;
}
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