Eroare de compilare: user.cpp:1:17: error: stdio: No such file or directory user.cpp:8: error: expected constructor, destructor, or type conversion before ‘*’ token user.cpp: In function ‘void f1(long int)’: user.cpp:13: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void f2(long int)’: user.cpp:21: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int f3(long int)’: user.cpp:32: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:42: error: ‘f’ was not declared in this scope user.cpp:42: error: ‘fscanf’ was not declared in this scope user.cpp:51: error: ‘g’ was not declared in this scope user.cpp:51: error: ‘fprintf’ was not declared in this scope