Example 1
Example 2
1 <= s.length == t.length <= 105s and t consist only of lowercase English letters.nextCost.length == previousCost.length == 260 <= nextCost[i], previousCost[i] <= 109Example 1
Example 2
1 <= s.length == t.length <= 105s and t consist only of lowercase English letters.nextCost.length == previousCost.length == 260 <= nextCost[i], previousCost[i] <= 109