Compilare: main.cpp: In function 'int main()': main.cpp:11:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] in>>S+1; ~^~ main.cpp:16:42: warning: array subscript has type 'char' [-Wchar-subscripts] for (i=1;i<=n-1;i++)dp[i][i+1]=c[S[i]][S[i+1]]; ^ main.cpp:16:50: warning: array subscript has type 'char' [-Wchar-subscripts] for (i=1;i<=n-1;i++)dp[i][i+1]=c[S[i]][S[i+1]]; ^ main.cpp:25:45: warning: array subscript has type 'char' [-Wchar-subscripts] dp[i][j]=min(dp[i][j],c[S[i]][S[k]]+dp[i+1][k-1]+dp[k+1][j]); ^ main.cpp:25:51: warning: array subscript has type 'char' [-Wchar-subscripts] dp[i][j]=min(dp[i][j],c[S[i]][S[k]]+dp[i+1][k-1]+dp[k+1][j]); ^