Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:15: error: expected ‘;’ before ‘{’ token user.cpp:19: warning: statement has no effect user.cpp:9: warning: unused variable ‘j’ user.cpp:10: warning: unused variable ‘sum’ user.cpp:13: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result