Borderou de evaluare (job #480710)

Compilare: user.cpp: In function 'int main()': user.cpp:22:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:36:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:50:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:64:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:10:12: warning: unused variable 'cnt' [-Wunused-variable] user.cpp:10:19: warning: unused variable 'cp' [-Wunused-variable] user.cpp:24:21: warning: 'k' may be used uninitialized in this function [-Wuninitialized]