結果
| 問題 |
No.1230 Hall_and_me
|
| コンテスト | |
| ユーザー |
naribow
|
| 提出日時 | 2020-09-24 22:41:43 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 2,000 ms |
| コード長 | 988 bytes |
| コンパイル時間 | 1,736 ms |
| コンパイル使用メモリ | 196,264 KB |
| 最終ジャッジ日時 | 2025-01-14 20:09:26 |
|
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 * 2 |
| other | AC * 36 |
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 double) [with _CharT = char; _Traits = std::char_traits<char>]’,
inlined from ‘int main()’ at main.cpp:35:13:
/usr/include/c++/13/ostream:235:25: warning: ‘ans’ may be used uninitialized [-Wmaybe-uninitialized]
235 | { return _M_insert(__f); }
| ~~~~~~~~~^~~~~
main.cpp: In function ‘int main()’:
main.cpp:20:13: note: ‘ans’ was declared here
20 | ldouble ans;
| ^~~
ソースコード
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const double pi=3.141592653589793;
typedef unsigned long long ull;
typedef long double ldouble;
const ll INF=1e18;
#define rep(i, n) for(ll i = 0; i < (ll)(n); i++)
#define rep2(i, s, n) for (ll i = (s); i < (ll)(n); i++)
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
int main(){
// 小数点以下第15桁まで表示させる
cout.precision(15);
cout << fixed;
vector<int> p(3);
int count = 0;
ldouble ans;
rep(i, 3) {
cin >> p[i];
if(p[i] == 0) count++;
}
sort(p.begin(), p.end());
if(count == 0) {
ans = (ldouble)(p[1] + p[2]) / (ldouble) (p[0] + p[1] + p[2]);
}
else if(count == 1) {
ans = (ldouble)1;
}
else if(count == 2) {
ans = (ldouble) 1;
}
cout << ans << endl;
}
naribow