Borderou de evaluare (job #226670)

Compilare: user.cpp: In function ‘int main()’: user.cpp:9:15: warning: unused variable ‘x’ [-Wunused-variable] user.cpp:9:51: warning: unused variable ‘ca’ [-Wunused-variable] user.cpp:9:54: warning: unused variable ‘cb’ [-Wunused-variable] user.cpp:10:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]