Intervals

• 🟨 56. Merge Intervals [Solution]
• 🟨 57. Insert Interval [Solution]
• 🟩 228. Summary Ranges [Solution]
• 🟩 252. Meeting Rooms [Solution]
• 🟨 253. Meeting Rooms II [Solution]
• 🟨 435. Non-overlapping Intervals [Solution]
• 🟨 452. Minimum Number of Arrows to Burst Balloons [Solution]
• 🟨 1701. Average Waiting Time [Solution]