Eroare de compilare: user.cpp:9: warning: ISO C++ forbids declaration of ‘main’ with no type user.cpp: In function ‘int main()’: user.cpp:21: warning: format ‘%ld’ expects type ‘long int*’, but argument 3 has type ‘int*’ user.cpp:33: warning: format ‘%ld’ expects type ‘long int’, but argument 3 has type ‘int’ user.cpp:14: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:19: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:39: error: redefinition of ‘int main()’ user.cpp:9: error: ‘int main()’ previously defined here