Compilare: user.cpp: In function ‘int main()’: user.cpp:17: warning: unused variable ‘k’ user.cpp:17: warning: unused variable ‘r’ user.cpp: In function ‘void parcurgere()’: user.cpp:51: warning: comparison between signed and unsigned integer expressions user.cpp:111: warning: comparison between signed and unsigned integer expressions user.cpp:49: warning: ‘l’ may be used uninitialized in this function