Borderou de evaluare (job #253389)

Compilare: user.cpp: In function ‘int sum(int)’: user.cpp:29:1: warning: no return statement in function returning non-void [-Wreturn-type] user.cpp: In function ‘int main()’: user.cpp:45:12: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:48:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:51:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]