day10

main.dart

import 'dart:math';

void main() {
  getNumberOfGrains(8);
}

void getNumberOfGrains(n) {
  var totalNumber =
      [for (var i = 0; i < 64; i++) pow(2, i)].reduce((a, b) => a + b);
  int numberOfGrains = pow(2, n - 1);
  int subTotal = pow(2, n) - 1;
  print('Total number of grains on the board: $totalNumber');
  print('Total number of grains from Square 1 to $n: $subTotal');
  print('Number of grains on Square $n: $numberOfGrains');
}