Borderou de evaluare (job #265521)

Compilare: user.cpp: In function ‘int main()’: user.cpp:20:13: warning: unused variable ‘c2’ [-Wunused-variable] user.cpp:20:32: warning: unused variable ‘r3’ [-Wunused-variable] user.cpp:20:58: warning: unused variable ‘u2’ [-Wunused-variable] user.cpp: In function ‘short int pc(int)’: user.cpp:16:12: warning: ‘u’ may be used uninitialized in this function [-Wuninitialized] user.cpp: In function ‘int main()’: user.cpp:64:22: warning: ‘u’ may be used uninitialized in this function [-Wuninitialized]