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:51:22: warning: division by zero [-Wdiv-by-zero] int temp = 2/0; ^ user.cpp:51:13: warning: unused variable ‘temp’ [-Wunused-variable] int temp = 2/0; ^