Almost Equal Sizing Grouping

grouping.dart

// 算出大略相等數目的分組數列
void main() {
  // total student number
  int total = 52;
  // initial each group expect to be "eachGrp" number of people
  int eachGrp = 10;
  // may divide into "grpNum" number of group
  int grpNum = total ~/ eachGrp;
  // vacant list
  var splits = [];
  // find remainder when total number divid into "grpNum" number of group
  int remainder = total % grpNum;
  // number of people in one group by calculation
  int calGrp = total ~/ grpNum;

  for (int i = 0; i < grpNum; i++) {
    splits.add(calGrp);
  }
  print(splits);

  for (int i = 0; i < remainder; i++) {
    splits[i] += 1;
  }
  print(splits);
}