Borderou de evaluare (job #276011)

Compilare: user.cpp: In function ‘int main()’: user.cpp:23:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:33:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:36:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:16:14: warning: unused variable ‘ok’ [-Wunused-variable] user.cpp:10:44: warning: unused variable ‘t’ [-Wunused-variable] user.cpp:11:18: warning: unused variable ‘a’ [-Wunused-variable] user.cpp:47:15: warning: ‘r’ may be used uninitialized in this function [-Wuninitialized]