Borderou de evaluare (job #53019)

Compilare: user.cpp: In function ‘int main()’: user.cpp:35:13: warning: unused variable ‘k’ [-Wunused-variable] user.cpp:35:21: warning: unused variable ‘co’ [-Wunused-variable] user.cpp:36:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:46:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]