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Math Patterns
涵蓋質數篩法、位元運算、進制轉換、GCD 與數學推導,訓練面試中常見的純數學與數論題型。
27 道題目
#
題目
難度
Rating
1
7. Reverse Integer
Medium
1413
2
9. Palindrome Number
Easy
1168
3
29. Divide Two Integers
Medium
1645
4
43. Multiply Strings
Medium
1499
5
48. Rotate Image
Medium
1407
6
50. Pow(x, n)
Medium
1460
7
66. Plus One
Easy
1151
8
67. Add Binary
Easy
1160
9
69. Sqrt(x)
Easy
1178
10
70. Climbing Stairs
Easy
1232
11
172. Factorial Trailing Zeroes
Medium
1399
12
190. Reverse Bits
Easy
1149
13
191. Number of 1 Bits
Easy
1088
14
201. Bitwise AND of Numbers Range
Medium
1604
15
202. Happy Number
Easy
1188
16
204. Count Primes
Medium
1500
17
231. Power of Two
Easy
1154
18
268. Missing Number
Easy
1114
19
326. Power of Three
Easy
1250
20
342. Power of Four
Easy
1286
21
371. Sum of Two Integers
Medium
1564
22
400. Nth Digit
Medium
1648
23
412. Fizz Buzz
Easy
1134
24
415. Add Strings
Easy
1307
25
441. Arranging Coins
Easy
1295
26
504. Base 7
Easy
1166
27
509. Fibonacci Number
Easy
1177