Compilare: user.cpp: In function ‘int main()’: user.cpp:31:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] for (i=1; i<=m; i++) fin >> a[i]; ^ user.cpp:32:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] for (i=1; i<=n; i++) fin >> b[i]; ^ user.cpp:36:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (a[i] == b[j]) dp[i][j] = dp[i-1][j-1]+1; ^ user.cpp:36:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (a[i] == b[j]) dp[i][j] = dp[i-1][j-1]+1; ^ user.cpp:36:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (a[i] == b[j]) dp[i][j] = dp[i-1][j-1]+1; ^ user.cpp:36:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (a[i] == b[j]) dp[i][j] = dp[i-1][j-1]+1; ^ user.cpp:37:13: warning: array subscript has type ‘char’ [-Wchar-subscripts] else dp[i][j] = max(dp[i-1][j], dp[i][j-1]); ^ user.cpp:37:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] else dp[i][j] = max(dp[i-1][j], dp[i][j-1]); ^ user.cpp:37:33: warning: array subscript has type ‘char’ [-Wchar-subscripts] else dp[i][j] = max(dp[i-1][j], dp[i][j-1]); ^ user.cpp:37:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] else dp[i][j] = max(dp[i-1][j], dp[i][j-1]); ^