Compilare: user.cpp:11:26: warning: narrowing conversion of ‘-1’ from ‘int’ to ‘unsigned int’ inside { } [-Wnarrowing] unsigned int dx[2]={-1,-1},dy[2]={-1,0}; ^ user.cpp:11:26: warning: narrowing conversion of ‘-1’ from ‘int’ to ‘unsigned int’ inside { } [-Wnarrowing] user.cpp:11:39: warning: narrowing conversion of ‘-1’ from ‘int’ to ‘unsigned int’ inside { } [-Wnarrowing] unsigned int dx[2]={-1,-1},dy[2]={-1,0}; ^ user.cpp: In function ‘int main()’: user.cpp:51:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int index=st;index<=dr;++index) { ^ user.cpp: In function ‘void printRoad(int)’: user.cpp:186:18: warning: variable ‘right’ set but not used [-Wunused-but-set-variable] int i,j,left,right,counter; ^ user.cpp:186:24: warning: variable ‘counter’ set but not used [-Wunused-but-set-variable] int i,j,left,right,counter; ^