結果
| 問題 |
No.105 arcの六角ボルト
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-09-28 03:47:35 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 40 ms / 5,000 ms |
| コード長 | 533 bytes |
| コンパイル時間 | 1,728 ms |
| コンパイル使用メモリ | 194,092 KB |
| 最終ジャッジ日時 | 2025-01-14 23:11:21 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 1 |
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<<(double) [with _CharT = char; _Traits = std::char_traits<char>]’,
inlined from ‘int main()’ at main.cpp:26:42:
/usr/include/c++/13/ostream:223:25: warning: ‘ret’ may be used uninitialized [-Wmaybe-uninitialized]
223 | { return _M_insert(__f); }
| ~~~~~~~~~^~~~~
main.cpp: In function ‘int main()’:
main.cpp:17:12: note: ‘ret’ was declared here
17 | double ret;
| ^~~
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0; i<(int)(n); i++)
const double PI = acos(-1);
const double EPS = 1e-3;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int T;
cin >> T;
while (T--) {
double ret;
REP (i, 6) {
double x, y;
cin >> x >> y;
double theta = atan2(y, x);
double tmp = 180 * theta / PI;
if (0-EPS <= tmp && tmp <= 50+EPS)
ret = tmp;
}
cout << fixed << setprecision(12) << ret << endl;
}
return 0;
}