cod4.cpp: In function 'int comune(int, int)': cod4.cpp:37: warning: suggest explicit braces to avoid ambiguous 'else' cod4.cpp:23: warning: unused variable 'j' cod4.cpp: In function 'int transforma(int, int)': cod4.cpp:60: warning: unused variable 'nr' cod4.cpp: In function 'void rezolva()': cod4.cpp:78: warning: 'val' may be used uninitialized in this function