Compilare: user.cpp: In function ‘int count(int, int, int)’: user.cpp:52: warning: operation on ‘k’ may be undefined user.cpp:54: warning: operation on ‘k’ may be undefined user.cpp:56: warning: operation on ‘k’ may be undefined user.cpp: In function ‘int main()’: user.cpp:64: warning: unused variable ‘g’ user.cpp:66: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result