Borderou de evaluare (job #491373)

Compilare: user.cpp: In function 'int main()': user.cpp:30:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:37:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:54:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:14:5: warning: 'n' is used uninitialized in this function [-Wuninitialized] user.cpp:19:5: warning: 'p' is used uninitialized in this function [-Wuninitialized] user.cpp:21:5: warning: 'r' may be used uninitialized in this function [-Wuninitialized] user.cpp:47:9: warning: 'k' may be used uninitialized in this function [-Wuninitialized] user.cpp:56:13: warning: 't' may be used uninitialized in this function [-Wuninitialized] user.cpp:70:39: warning: 'poz' may be used uninitialized in this function [-Wuninitialized]