- frequency-counting, Google, Hash, Mathematical, Strings

Minimum time required to complete all tasks without altering their order

  import java.util.*;  class GFG {                  static void findMinimumTime(        String tasks, int K)    {                        Map map            = new HashMap();                  int curr_time = 0;                  for (char c : tasks.toCharArray()) {                                      if (map.containsKey(c)) {                                                                  if (curr_time                        – map.get(c)