Borderou de evaluare (job #158003)

Compilare: user.cpp: In function ‘int main()’: user.cpp:27:7: warning: statement has no effect [-Wunused-value] user.cpp:28:7: warning: statement has no effect [-Wunused-value] user.cpp:4:15: warning: variable ‘s1’ set but not used [-Wunused-but-set-variable] user.cpp:4:18: warning: unused variable ‘a1’ [-Wunused-variable] user.cpp:6:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]