Compilare: user.cpp: In function 'void construieste(int, int)': user.cpp:31: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void apl(int, int)': user.cpp:43: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int pos(int)': user.cpp:49: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:79: warning: comparison between signed and unsigned integer expressions user.cpp:90: warning: comparison between signed and unsigned integer expressions user.cpp:108: warning: comparison between signed and unsigned integer expressions