Compilare: main.cpp: In function 'int main()': main.cpp:22:55: warning: array subscript has type 'char' [-Wchar-subscripts] x=max(dp[i-1][j][1]+1,dp[i-1][a[i]][0]); ^ main.cpp:23:31: warning: array subscript has type 'char' [-Wchar-subscripts] dp[i][a[i]][k]=max(x,dp[i][a[i]][k]); ^ main.cpp:23:52: warning: array subscript has type 'char' [-Wchar-subscripts] dp[i][a[i]][k]=max(x,dp[i][a[i]][k]); ^ main.cpp:27:55: warning: array subscript has type 'char' [-Wchar-subscripts] x=max(dp[i-1][j][0]+1,dp[i-1][a[i]][1]); ^ main.cpp:28:31: warning: array subscript has type 'char' [-Wchar-subscripts] dp[i][a[i]][k]=max(x,dp[i][a[i]][k]); ^ main.cpp:28:52: warning: array subscript has type 'char' [-Wchar-subscripts] dp[i][a[i]][k]=max(x,dp[i][a[i]][k]); ^