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# vs_all_worst(+VS, -Vars)

Retrieve all worst violated variables from a varset

VS
  A varset
Vars
  A list of tentative variables (output)

## Description

Retrieve all variables from a varset whose violation count is maximal in the varset.

### Modes and Determinism

- vs_all_worst(+, -) is det

## Examples

        ?- Vars=[A,B,C], tent_set(Vars, [1,2,3]), vs_create(Vars, VS),
           var_inc_violations(A, 2),
           var_inc_violations(B, 1),
           var_inc_violations(C, 2),
           vs_all_worst(VS, VSVars).
        Vars = [A{1 -> 2}, B{2 -> 1}, C{3 -> 2}]
        VS = ...
        VSVars = [A{1 -> 2}, C{3 -> 2}]
        Yes (0.00s cpu)

## See Also

vs_random_worst / 2, vs_worst / 2, vs_all_worst_index / 2