Compilare: user.cpp: In function ‘int main()’: user.cpp:56:27: warning: narrowing conversion of ‘i’ from ‘int’ to ‘char’ inside { } [-Wnarrowing] x[++u]={i,j,0}; ^ user.cpp:56:27: warning: narrowing conversion of ‘j’ from ‘int’ to ‘char’ inside { } [-Wnarrowing] user.cpp:86:26: warning: narrowing conversion of ‘(di[k] + i)’ from ‘int’ to ‘char’ inside { } [-Wnarrowing] x[++u]={i+di[k],j+dj[k],pasi+1}; ^ user.cpp:86:34: warning: narrowing conversion of ‘(dj[k] + j)’ from ‘int’ to ‘char’ inside { } [-Wnarrowing] x[++u]={i+di[k],j+dj[k],pasi+1}; ^ user.cpp:86:45: warning: narrowing conversion of ‘(pasi + 1)’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] x[++u]={i+di[k],j+dj[k],pasi+1}; ^ user.cpp:33:13: warning: unused variable ‘r’ [-Wunused-variable] int i,j,r,p,u,pasi=0,k=0; ^