Compilare: user.cpp:100:2: warning: no newline at end of file user.cpp: In function 'void citeste()': user.cpp:24: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:89: warning: 'ymin' may be used uninitialized in this function user.cpp:89: warning: 'xmin' may be used uninitialized in this function