Borderou de evaluare (job #71829)

Compilare: user.cpp: In function ‘int main()’: user.cpp:26:21: warning: suggest parentheses around assignment used as truth value [-Wparentheses] user.cpp:47:21: warning: suggest parentheses around assignment used as truth value [-Wparentheses] user.cpp:5:29: warning: unused variable ‘k’ [-Wunused-variable] user.cpp:27:9: warning: ‘r1’ may be used uninitialized in this function [-Wuninitialized] user.cpp:54:15: warning: ‘c1’ may be used uninitialized in this function [-Wuninitialized]