Compilare: user.cpp: In function ‘int main()’: user.cpp:61:82: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[i+(1<<j)+(1<<fst)]=min(dp[i+(1<<j)+(1<<fst)], dp[i]+d[l[j]][l[fst]]); ^ user.cpp:61:90: warning: array subscript has type ‘char’ [-Wchar-subscripts] dp[i+(1<<j)+(1<<fst)]=min(dp[i+(1<<j)+(1<<fst)], dp[i]+d[l[j]][l[fst]]); ^