error: expected one of `!` or `::`, found `[`
 --> /in/foo.rs:1:3
  |
1 | DP[L1,L2,R1,R2]:=SUM[L2,R1]+A[L1]+A[R2]-MIN{DP[L1,L2+1,R1,R2],DP[L1,L2,R1-1,R2],DP[L2,L2+1,R1,R2],DP[L1,L2,R1-1,R1]}
  |   ^

error: aborting due to previous error