990. Satisfiability of Equality Equations

    [LeetCode] 990. Satisfiability of Equality Equations

    990. Satisfiability of Equality Equations Medium You are given an array of strings equations that represent relationships between variables where each string equations[i] is of length 4 and takes one of two different forms: "xi==yi" or "xi!=yi".Here, xi and yi are lowercase letters (not necessarily different) that represent one-letter variable names. Return true if it is possible to assign integ..