Eroare de compilare: user.cpp:5: error: ‘fopen’ was not declared in this scope user.cpp:6: error: ‘fopen’ was not declared in this scope user.cpp: In function ‘void doTest()’: user.cpp:20: error: ‘fscanf’ was not declared in this scope user.cpp:26: error: ‘memset’ was not declared in this scope user.cpp:42: error: call of overloaded ‘abs(int64)’ is ambiguous /usr/include/c++/4.4/cmath:94: note: candidates are: double std::abs(double) /usr/include/c++/4.4/cmath:98: note: float std::abs(float) /usr/include/c++/4.4/cmath:102: note: long double std::abs(long double) user.cpp:42: error: call of overloaded ‘abs(int64)’ is ambiguous /usr/include/c++/4.4/cmath:94: note: candidates are: double std::abs(double) /usr/include/c++/4.4/cmath:98: note: float std::abs(float) /usr/include/c++/4.4/cmath:102: note: long double std::abs(long double) user.cpp:59: error: ‘fprintf’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:65: error: ‘fscanf’ was not declared in this scope user.cpp:71: error: ‘fclose’ was not declared in this scope