Compilare: user.cpp: In function ‘int main()’: user.cpp:13:10: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] in>>s+1; ^ user.cpp:24:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[i][j]=c[s[i]][s[j]]; ^ user.cpp:24:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[i][j]=c[s[i]][s[j]]; ^ user.cpp:34:74: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[i][j]=min(d[i][j], d[i+1][k-1]+d[k+1][j]+c[s[i]][s[k]]); ^ user.cpp:34:80: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[i][j]=min(d[i][j], d[i+1][k-1]+d[k+1][j]+c[s[i]][s[k]]); ^