Borderou de evaluare (job #335439)

Compilare: user.cpp: In function ‘int main()’: user.cpp:9:27: warning: unused variable ‘flag’ [-Wunused-variable] user.cpp:18:29: warning: ‘n’ may be used uninitialized in this function [-Wuninitialized] user.cpp:82:5: warning: ‘i’ may be used uninitialized in this function [-Wuninitialized] user.cpp:19:6: warning: ‘s2’ may be used uninitialized in this function [-Wuninitialized] user.cpp:19:6: warning: ‘s1’ may be used uninitialized in this function [-Wuninitialized]