View Compilation Error

0_0_20636042_32502.cpp: In function 'int main()':
0_0_20636042_32502.cpp:31:24: error: invalid types 'int[int]' for array subscript
                 dp[i][j]=max(dp[i][j-1]+a[j],mmax[j-1]+a[j]);
                        ^
0_0_20636042_32502.cpp:31:39: error: invalid types 'int[int]' for array subscript
                 dp[i][j]=max(dp[i][j-1]+a[j],mmax[j-1]+a[j]);
                                       ^
0_0_20636042_32502.cpp:33:40: error: invalid types 'int[int]' for array subscript
                 mmmax=max(mmmax,dp[i][j]);
                                        ^