Submission #00280

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ソースコード

ステータス

項目	データ
問題	0002 - 円の面積
ユーザー名	ei1612
投稿日時	2017-11-06 18:29:52
言語	C++
状態	Compile Error
得点	0
ソースコード長	111 Byte
最大実行時間	-
最大メモリ使用量

コンパイルメッセージ

./Main.cpp:2:1: error: ‘usihng’ does not name a type
 usihng namespace std;
 ^
./Main.cpp: In function ‘int main()’:
./Main.cpp:5:1: error: ‘cin’ was not declared in this scope
 cin >> a;
 ^
./Main.cpp:5:1: note: suggested alternative:
In file included from /usr/local/gcc-5.1.0/include/c++/5.1.0/x86_64-unknown-linux-gnu/bits/stdc++.h:74:0,
                 from ./Main.cpp:1:
/usr/local/gcc-5.1.0/include/c++/5.1.0/iostream:60:18: note:   ‘std::cin’
   extern istream cin;  /// Linked to standard input
                  ^
./Main.cpp:6:1: error: ‘cout’ was not declared in this scope
 cout << a*a*M_PI << endl;
 ^
./Main.cpp:6:1: note: suggested alternative:
In file included from /usr/local/gcc-5.1.0/include/c++/5.1.0/x86_64-unknown-linux-gnu/bits/stdc++.h:74:0,
                 from ./Main.cpp:1:
/usr/local/gcc-5.1.0/include/c++/5.1.0/iostream:61:18: note:   ‘std::cout’
   extern ostream cout;  /// Linked to standard output
                  ^
./Main.cpp:6:21: error: ‘endl’ was not declared in this scope
 cout << a*a*M_PI << endl;
                     ^
./Main.cpp:6:21: note: suggested alternative:
In file included from /usr/local/gcc-5.1.0/include/c++/5.1.0/istream:39:0,
                 from /usr/local/gcc-5.1.0/include/c++/5.1.0/sstream:38,
                 from /usr/local/gcc-5.1.0/include/c++/5.1.0/complex:45,
                 from /usr/local/gcc-5.1.0/include/c++/5.1.0/x86_64-unknown-linux-gnu/bits/stdc++.h:66,
                 from ./Main.cpp:1:
/usr/local/gcc-5.1.0/include/c++/5.1.0/ostream:590:5: note:   ‘std::endl’
     endl(basic_ostream<_CharT, _Traits>& __os)
     ^

セット

	セット	得点	Cases

テストケース