RosettaCodeData/Task/Equilibrium-index/Zkl/equilibrium-index-2.zkl
2017-09-25 22:28:19 +02:00

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Text

fcn equilibrium(lst){ // lst should immutable, n^2
(0).filter(lst.len(),'wrap(n){ lst[0,n].sum(0) == lst[n+1,*].sum(0) })
}