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Arena › Browse › DSA
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76 challenges found
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🏆 Top solvers in DSA

🥇 @malathi-shetty 1 solved
🥈 @arun-kumar 1 solved
🥉 @srini-dhoni 1 solved

Coin change (min coins)

DSA Hard Free +20 XP
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Memo vs tab

DSA Medium Free +15 XP
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Bit AND trick

DSA Medium Free +15 XP
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XOR property

DSA Hard Free +20 XP
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Count set bits

DSA Medium Free +15 XP
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Inorder BST

DSA Medium Free +15 XP
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Level order

DSA Medium Free +15 XP
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Balanced tree types

DSA Hard Free +20 XP
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LRU cache

DSA Hard Free +20 XP
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Queue via stacks

DSA Hard Free +20 XP
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Recursion needs

DSA Easy Free +10 XP
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Is even (Py)

DSA Easy Free +10 XP
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Second largest (Py)

DSA Hard Free +20 XP
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Sum of digits (Py)

DSA Medium Free +15 XP
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Power (Py)

DSA Medium Free +15 XP
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Count char (JS)

DSA Medium Free +15 XP
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