結果
問題 | No.280 歯車の問題(1) |
ユーザー |
|
提出日時 | 2020-04-13 21:38:20 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 3 ms / 1,000 ms |
コード長 | 420 bytes |
コンパイル時間 | 651 ms |
コンパイル使用メモリ | 69,596 KB |
最終ジャッジ日時 | 2025-01-09 18:12:53 |
ジャッジサーバーID (参考情報) |
judge5 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 31 |
コンパイルメッセージ
In file included from /usr/include/c++/13/iostream:41, 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 ‘void solve()’ at main.cpp:18:30: /usr/include/c++/13/ostream:204:25: warning: ‘l’ may be used uninitialized [-Wmaybe-uninitialized] 204 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function ‘void solve()’: main.cpp:10:10: note: ‘l’ was declared here 10 | lint l, r; | ^ 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 ‘void solve()’ at main.cpp:18:18: /usr/include/c++/13/ostream:204:25: warning: ‘r’ may be used uninitialized [-Wmaybe-uninitialized] 204 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function ‘void solve()’: main.cpp:10:13: note: ‘r’ was declared here 10 | lint l, r; | ^
ソースコード
#include <iostream> #include <vector> using lint = long long; void solve() { int n; std::cin >> n; lint l, r; for (int i = 0; i < n; ++i) { lint x; std::cin >> x; if (i == 0) l = x; if (i == n - 1) r = x; } std::cout << r << "/" << l << std::endl; } int main() { std::cin.tie(nullptr); std::ios::sync_with_stdio(false); solve(); return 0; }