Submission #2280830
Source Code Expand
#include <iostream> int main(void){ int N; cin >> N; cout << 2 * N << endl; return 0; }
Submission Info
Submission Time | |
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Task | A - 流行 |
User | ban |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 103 Byte |
Status | CE |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:5:3: error: ‘cin’ was not declared in this scope cin >> N; ^ ./Main.cpp:5:3: note: suggested alternative: In file included from ./Main.cpp:1:0: /usr/include/c++/5/iostream:60:18: note: ‘std::cin’ extern istream cin; /// Linked to standard input ^ ./Main.cpp:6:3: error: ‘cout’ was not declared in this scope cout << 2 * N << endl; ^ ./Main.cpp:6:3: note: suggested alternative: In file included from ./Main.cpp:1:0: /usr/include/c++/5/iostream:61:18: note: ‘std::cout’ extern ostream cout; /// Linked to standard output ^ ./Main.cpp:6:20: error: ‘endl’ was not declared in this scope cout << 2 * N << endl; ^ ./Main.cpp:6:20: note: suggested alternative: In file included from /usr/include/c++/5/iostream:39:0, from ./Main.cpp:1: /usr/include/c++/5/ostream:590:5: note: ‘std::endl’ endl(basic_ostream<_CharT, _Traits>& __os) ^