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Nested Loops

• Create triangle pattern
  []
  [][]
  [][][]
  [][][][]
• Loop through rows
  for (int i = 1; i <= n; i++)
  {
     // make triangle row
  }
• Make triangle row is another loop
  for (int j = 1; j <= i; j++)
     r = r + "[]";
  r = r + "\n";
• Put loops together => Nested loops

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