Borderou de evaluare (job #37451)

Compilare: user.cpp: In function ‘int main()’: user.cpp:9:17: warning: unused variable ‘a’ [-Wunused-variable] user.cpp:9:19: warning: unused variable ‘c’ [-Wunused-variable] user.cpp:9:21: warning: unused variable ‘l’ [-Wunused-variable] user.cpp:10:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]