Compilare: user.cpp: In function ‘int CazPos()’: user.cpp:29:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<strlen(a[i]); j++) ^ user.cpp: In function ‘void DetPlec()’: user.cpp:38:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<strlen(a[i]); j++) ^ user.cpp: In function ‘int CazFav(int, int, int, int)’: user.cpp:45:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i==strlen(dir)-1) ^ user.cpp:62:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] else if(dir[i]=='V') ^ user.cpp:66:1: warning: control reaches end of non-void function [-Wreturn-type] } ^