Borderou de evaluare (job #49495)

Compilare: user.cpp: In function ‘int main()’: user.cpp:12:24: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:15:89: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:27:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:101:5: warning: ‘cop’ may be used uninitialized in this function [-Wuninitialized]