Eroare de compilare: user.cpp:2:1: error: stray ‘@’ in program @define m 1999999973 ^ user.cpp:2:2: error: ‘define’ does not name a type @define m 1999999973 ^ user.cpp: In function ‘long long int lgput(int, int)’: user.cpp:13:16: error: ‘m’ was not declared in this scope x = x * n % m; ^ user.cpp:16:15: error: ‘m’ was not declared in this scope n = n * n % m; ^ user.cpp: In function ‘int main()’: user.cpp:24:2: error: ‘ifstream’ was not declared in this scope ifstream cin("lgput.in"); ^ user.cpp:24:2: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/sstream:38, from /usr/include/c++/4.8/complex:45, from /usr/include/c++/4.8/ccomplex:38, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52, from user.cpp:1: /usr/include/c++/4.8/iosfwd:157:34: note: ‘std::ifstream’ typedef basic_ifstream<char> ifstream; ^ user.cpp:24:11: error: expected ‘;’ before ‘cin’ ifstream cin("lgput.in"); ^ user.cpp:25:2: error: ‘ofstream’ was not declared in this scope ofstream cout("lgput.out"); ^ user.cpp:25:2: note: suggested alternative: In file included from /usr/include/c++/4.8/ios:38:0, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/sstream:38, from /usr/include/c++/4.8/complex:45, from /usr/include/c++/4.8/ccomplex:38, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52, from user.cpp:1: /usr/include/c++/4.8/iosfwd:160:34: note: ‘std::ofstream’ typedef basic_ofstream<char> ofstream; ^ user.cpp:25:11: error: expected ‘;’ before ‘cout’ ofstream cout("lgput.out"); ^ user.cpp:26:2: error: ‘cin’ was not declared in this scope cin>>n>>p;