Compilare: main.cpp: In function 'int main()': main.cpp:24:55: warning: array subscript has type 'char' [-Wchar-subscripts] x=max(dp[i-1][j][1]+1,dp[i-1][a[i]][0]); ^ main.cpp:25:31: warning: array subscript has type 'char' [-Wchar-subscripts] dp[i][a[i]][k]=max(x,dp[i][a[i]][k]); ^ main.cpp:25:52: warning: array subscript has type 'char' [-Wchar-subscripts] dp[i][a[i]][k]=max(x,dp[i][a[i]][k]); ^ main.cpp:29:55: warning: array subscript has type 'char' [-Wchar-subscripts] x=max(dp[i-1][j][0]+1,dp[i-1][a[i]][1]); ^ main.cpp:30:31: warning: array subscript has type 'char' [-Wchar-subscripts] dp[i][a[i]][k]=max(x,dp[i][a[i]][k]); ^ main.cpp:30:52: warning: array subscript has type 'char' [-Wchar-subscripts] dp[i][a[i]][k]=max(x,dp[i][a[i]][k]); ^