Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
92466 梁敖铭 求绝对值 C++ Compile Error 0 MS 0 KB 254 2024-10-04 21:40:44

Tests(0/0):

Code:

#include <iostream> #include <cstdlib> // 包含abs函数的库 int main() { int number; cin >> number; if (number < 0) { cout << abs(number) <<endl; } else { cout << number << endl; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:1: error: 'cin' was not declared in this scope
 cin >> number;
 ^
Main.cc:6:1: note: suggested alternative:
In file included from Main.cc:1:0:
/usr/include/c++/5/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
Main.cc:9:9: error: 'cout' was not declared in this scope
         cout  << abs(number) <& __os)
     ^
Main.cc:11:9: error: 'cout' was not declared in this scope
         cout  << number << endl;
         ^
Main.cc:11:9: note: suggested alternative:
In file included from Main.cc:1:0:
/usr/include/c++/5/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^
Main.cc:11:28: error: 'endl' was not declared in this scope
         cout  << number << endl;
                            ^
Main.cc:11:28: note: suggested alternative:
In file included from /usr/include/c++/5/iostream:39:0,
                 from Main.cc:1:
/usr/include/c++/5/ostream:590:5: note:   'std::endl'
     endl(basic_ostream<_CharT, _Traits>& __os)
     ^