Compilare: user.cpp: In function ‘void citeste()’: user.cpp:26: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void rezolva()’: user.cpp:80: warning: suggest parentheses around arithmetic in operand of ‘^’ user.cpp:88: warning: suggest parentheses around arithmetic in operand of ‘^’ user.cpp:89: warning: suggest parentheses around arithmetic in operand of ‘^’ user.cpp:90: warning: suggest parentheses around arithmetic in operand of ‘^’ user.cpp:95: warning: suggest parentheses around arithmetic in operand of ‘^’