## 数学

| \# | 题名 | 题解 | 通过率 | 难度 | 出现频率   |
|------|----------------------|-----|--------|----|--------|
|892|[三维形体的表面积](https://leetcode-cn.com/problems/surface-area-of-3d-shapes)   |[34](https://leetcode-cn.com/problems/surface-area-of-3d-shapes/solution)|55.2%|简单|73.83%|
|829|[连续整数求和](https://leetcode-cn.com/problems/consecutive-numbers-sum)   |[18](https://leetcode-cn.com/problems/consecutive-numbers-sum/solution)|29.8%|困难|69.21%|
|149|[直线上最多的点数](https://leetcode-cn.com/problems/max-points-on-a-line)   |[32](https://leetcode-cn.com/problems/max-points-on-a-line/solution)|19.6%|困难|62.45%|
|1121|[将数组分成几个递增序列](https://leetcode-cn.com/problems/divide-array-into-increasing-sequences)   |[5](https://leetcode-cn.com/problems/divide-array-into-increasing-sequences/solution)|46.9%|困难|55.21%|
|469|[凸多边形](https://leetcode-cn.com/problems/convex-polygon)   |[5](https://leetcode-cn.com/problems/convex-polygon/solution)|43.8%|中等|53.82%|
|869|[重新排序得到 2 的幂](https://leetcode-cn.com/problems/reordered-power-of-2)   |[13](https://leetcode-cn.com/problems/reordered-power-of-2/solution)|47.2%|中等|53.15%|
|2|[两数相加](https://leetcode-cn.com/problems/add-two-numbers)   |[713](https://leetcode-cn.com/problems/add-two-numbers/solution)|36.2%|中等|52.49%|
|483|[最小好进制](https://leetcode-cn.com/problems/smallest-good-base)   |[8](https://leetcode-cn.com/problems/smallest-good-base/solution)|35.5%|困难|51.68%|
|887|[鸡蛋掉落](https://leetcode-cn.com/problems/super-egg-drop)   |[10](https://leetcode-cn.com/problems/super-egg-drop/solution)|20.4%|困难|51.45%|
|400|[第N个数字](https://leetcode-cn.com/problems/nth-digit)   |[29](https://leetcode-cn.com/problems/nth-digit/solution)|34.4%|中等|51.18%|
|885|[螺旋矩阵 III](https://leetcode-cn.com/problems/spiral-matrix-iii)   |[6](https://leetcode-cn.com/problems/spiral-matrix-iii/solution)|62.2%|中等|49.03%|
|365|[水壶问题](https://leetcode-cn.com/problems/water-and-jug-problem)   |[17](https://leetcode-cn.com/problems/water-and-jug-problem/solution)|28.9%|中等|48.88%|
|233|[数字 1 的个数](https://leetcode-cn.com/problems/number-of-digit-one)   |[24](https://leetcode-cn.com/problems/number-of-digit-one/solution)|31.4%|困难|48.05%|
|753|[破解保险箱](https://leetcode-cn.com/problems/cracking-the-safe)   |[5](https://leetcode-cn.com/problems/cracking-the-safe/solution)|53.3%|困难|47.49%|
|640|[求解方程](https://leetcode-cn.com/problems/solve-the-equation)   |[18](https://leetcode-cn.com/problems/solve-the-equation/solution)|39.0%|中等|45.39%|
|1183|[矩阵中 1 的最大数量](https://leetcode-cn.com/problems/maximum-number-of-ones)   |[5](https://leetcode-cn.com/problems/maximum-number-of-ones/solution)|44.6%|困难|45.17%|
|458|[可怜的小猪](https://leetcode-cn.com/problems/poor-pigs)   |[8](https://leetcode-cn.com/problems/poor-pigs/solution)|53.4%|困难|44.82%|
|1067|[范围内的数字计数](https://leetcode-cn.com/problems/digit-count-in-range)   |[4](https://leetcode-cn.com/problems/digit-count-in-range/solution)|31.5%|困难|42.72%|
|535|[TinyURL 的加密与解密](https://leetcode-cn.com/problems/encode-and-decode-tinyurl)   |[14](https://leetcode-cn.com/problems/encode-and-decode-tinyurl/solution)|80.7%|中等|41.58%|
|964|[表示数字的最少运算符](https://leetcode-cn.com/problems/least-operators-to-express-number)   |[2](https://leetcode-cn.com/problems/least-operators-to-express-number/solution)|31.9%|困难|40.56%|
|782|[变为棋盘](https://leetcode-cn.com/problems/transform-to-chessboard)   |[8](https://leetcode-cn.com/problems/transform-to-chessboard/solution)|39.8%|困难|39.89%|
|754|[到达终点数字](https://leetcode-cn.com/problems/reach-a-number)   |[30](https://leetcode-cn.com/problems/reach-a-number/solution)|39.2%|中等|39.34%|
|878|[第 N 个神奇数字](https://leetcode-cn.com/problems/nth-magical-number)   |[12](https://leetcode-cn.com/problems/nth-magical-number/solution)|20.9%|困难|38.84%|
|1259|[不相交的握手](https://leetcode-cn.com/problems/handshakes-that-dont-cross)   |[12](https://leetcode-cn.com/problems/handshakes-that-dont-cross/solution)|44.3%|困难|38.64%|
|634|[寻找数组的错位排列](https://leetcode-cn.com/problems/find-the-derangement-of-an-array)   |[5](https://leetcode-cn.com/problems/find-the-derangement-of-an-array/solution)|39.8%|中等|37.47%|
|899|[有序队列](https://leetcode-cn.com/problems/orderly-queue)   |[8](https://leetcode-cn.com/problems/orderly-queue/solution)|49.4%|困难|37.28%|
|279|[完全平方数](https://leetcode-cn.com/problems/perfect-squares)   |[76](https://leetcode-cn.com/problems/perfect-squares/solution)|51.9%|中等|35.12%|
|224|[基本计算器](https://leetcode-cn.com/problems/basic-calculator)   |[55](https://leetcode-cn.com/problems/basic-calculator/solution)|36.2%|困难|35.01%|
|592|[分数加减运算](https://leetcode-cn.com/problems/fraction-addition-and-subtraction)   |[8](https://leetcode-cn.com/problems/fraction-addition-and-subtraction/solution)|48.1%|中等|34.87%|
|7|[整数反转](https://leetcode-cn.com/problems/reverse-integer)   |[497](https://leetcode-cn.com/problems/reverse-integer/solution)|33.3%|简单|34.68%|
|670|[最大交换](https://leetcode-cn.com/problems/maximum-swap)   |[23](https://leetcode-cn.com/problems/maximum-swap/solution)|37.4%|中等|34.47%|
|343|[整数拆分](https://leetcode-cn.com/problems/integer-break)   |[43](https://leetcode-cn.com/problems/integer-break/solution)|53.4%|中等|34.44%|
|423|[从英文中重建数字](https://leetcode-cn.com/problems/reconstruct-original-digits-from-english)   |[9](https://leetcode-cn.com/problems/reconstruct-original-digits-from-english/solution)|51.6%|中等|34.39%|
|1012|[至少有 1 位重复的数字](https://leetcode-cn.com/problems/numbers-with-repeated-digits)   |[10](https://leetcode-cn.com/problems/numbers-with-repeated-digits/solution)|25.9%|困难|33.93%|
|202|[快乐数](https://leetcode-cn.com/problems/happy-number)   |[105](https://leetcode-cn.com/problems/happy-number/solution)|56.3%|简单|32.96%|
|810|[黑板异或游戏](https://leetcode-cn.com/problems/chalkboard-xor-game)   |[3](https://leetcode-cn.com/problems/chalkboard-xor-game/solution)|51.5%|困难|32.64%|
|273|[整数转换英文表示](https://leetcode-cn.com/problems/integer-to-english-words)   |[24](https://leetcode-cn.com/problems/integer-to-english-words/solution)|25.3%|困难|32.64%|
|9|[回文数](https://leetcode-cn.com/problems/palindrome-number)   |[420](https://leetcode-cn.com/problems/palindrome-number/solution)|56.7%|简单|32.31%|
|43|[字符串相乘](https://leetcode-cn.com/problems/multiply-strings)   |[114](https://leetcode-cn.com/problems/multiply-strings/solution)|41.1%|中等|32.21%|
|593|[有效的正方形](https://leetcode-cn.com/problems/valid-square)   |[17](https://leetcode-cn.com/problems/valid-square/solution)|40.8%|中等|31.6%|
|204|[计数质数](https://leetcode-cn.com/problems/count-primes)   |[45](https://leetcode-cn.com/problems/count-primes/solution)|31.4%|简单|31.42%|
|805|[数组的均值分割](https://leetcode-cn.com/problems/split-array-with-same-average)   |[5](https://leetcode-cn.com/problems/split-array-with-same-average/solution)|24.1%|困难|31.07%|
|8|[字符串转换整数 (atoi)](https://leetcode-cn.com/problems/string-to-integer-atoi)   |[318](https://leetcode-cn.com/problems/string-to-integer-atoi/solution)|18.7%|中等|29.67%|
|1131|[绝对值表达式的最大值](https://leetcode-cn.com/problems/maximum-of-absolute-value-expression)   |[14](https://leetcode-cn.com/problems/maximum-of-absolute-value-expression/solution)|36.4%|中等|29.16%|
|65|[有效数字](https://leetcode-cn.com/problems/valid-number)   |[50](https://leetcode-cn.com/problems/valid-number/solution)|17.2%|困难|28.89%|
|910|[最小差值 II](https://leetcode-cn.com/problems/smallest-range-ii)   |[7](https://leetcode-cn.com/problems/smallest-range-ii/solution)|24.8%|中等|28.17%|
|877|[石子游戏](https://leetcode-cn.com/problems/stone-game)   |[24](https://leetcode-cn.com/problems/stone-game/solution)|67.0%|中等|27.78%|
|952|[按公因数计算最大组件大小](https://leetcode-cn.com/problems/largest-component-size-by-common-factor)   |[6](https://leetcode-cn.com/problems/largest-component-size-by-common-factor/solution)|26.8%|困难|27.49%|
|478|[在圆内随机生成点](https://leetcode-cn.com/problems/generate-random-point-in-a-circle)   |[10](https://leetcode-cn.com/problems/generate-random-point-in-a-circle/solution)|38.3%|中等|27.21%|
|537|[复数乘法](https://leetcode-cn.com/problems/complex-number-multiplication)   |[19](https://leetcode-cn.com/problems/complex-number-multiplication/solution)|67.1%|中等|27.07%|
|1103|[分糖果 II](https://leetcode-cn.com/problems/distribute-candies-to-people)   |[59](https://leetcode-cn.com/problems/distribute-candies-to-people/solution)|60.8%|简单|26.75%|
|780|[到达终点](https://leetcode-cn.com/problems/reaching-points)   |[12](https://leetcode-cn.com/problems/reaching-points/solution)|26.8%|困难|26.66%|
|625|[最小因式分解](https://leetcode-cn.com/problems/minimum-factorization)   |[10](https://leetcode-cn.com/problems/minimum-factorization/solution)|32.1%|中等|26.4%|
|1109|[航班预订统计](https://leetcode-cn.com/problems/corporate-flight-bookings)   |[21](https://leetcode-cn.com/problems/corporate-flight-bookings/solution)|36.2%|中等|26.04%|
|507|[完美数](https://leetcode-cn.com/problems/perfect-number)   |[22](https://leetcode-cn.com/problems/perfect-number/solution)|36.8%|简单|25.09%|
|50|[Pow(x, n)](https://leetcode-cn.com/problems/powx-n)   |[91](https://leetcode-cn.com/problems/powx-n/solution)|33.5%|中等|23.96%|
|949|[给定数字能组成的最大时间](https://leetcode-cn.com/problems/largest-time-for-given-digits)   |[23](https://leetcode-cn.com/problems/largest-time-for-given-digits/solution)|33.8%|简单|23.61%|
|368|[最大整除子集](https://leetcode-cn.com/problems/largest-divisible-subset)   |[22](https://leetcode-cn.com/problems/largest-divisible-subset/solution)|36.0%|中等|23.56%|
|462|[最少移动次数使数组元素相等 II](https://leetcode-cn.com/problems/minimum-moves-to-equal-array-elements-ii)   |[16](https://leetcode-cn.com/problems/minimum-moves-to-equal-array-elements-ii/solution)|55.3%|中等|23.34%|
|69|[x 的平方根](https://leetcode-cn.com/problems/sqrtx)   |[143](https://leetcode-cn.com/problems/sqrtx/solution)|37.3%|简单|23.21%|
|996|[正方形数组的数目](https://leetcode-cn.com/problems/number-of-squareful-arrays)   |[10](https://leetcode-cn.com/problems/number-of-squareful-arrays/solution)|42.1%|困难|23.01%|
|517|[超级洗衣机](https://leetcode-cn.com/problems/super-washing-machines)   |[6](https://leetcode-cn.com/problems/super-washing-machines/solution)|37.9%|困难|23.01%|
|914|[卡牌分组](https://leetcode-cn.com/problems/x-of-a-kind-in-a-deck-of-cards)   |[37](https://leetcode-cn.com/problems/x-of-a-kind-in-a-deck-of-cards/solution)|32.5%|简单|22.76%|
|67|[二进制求和](https://leetcode-cn.com/problems/add-binary)   |[206](https://leetcode-cn.com/problems/add-binary/solution)|51.6%|简单|22.45%|
|413|[等差数列划分](https://leetcode-cn.com/problems/arithmetic-slices)   |[32](https://leetcode-cn.com/problems/arithmetic-slices/solution)|58.4%|中等|22.33%|
|223|[矩形面积](https://leetcode-cn.com/problems/rectangle-area)   |[22](https://leetcode-cn.com/problems/rectangle-area/solution)|41.7%|中等|22.33%|
|927|[三等分](https://leetcode-cn.com/problems/three-equal-parts)   |[8](https://leetcode-cn.com/problems/three-equal-parts/solution)|28.9%|困难|22.26%|
|858|[镜面反射](https://leetcode-cn.com/problems/mirror-reflection)   |[8](https://leetcode-cn.com/problems/mirror-reflection/solution)|50.1%|中等|21.9%|
|1201|[丑数 III](https://leetcode-cn.com/problems/ugly-number-iii)   |[13](https://leetcode-cn.com/problems/ugly-number-iii/solution)|18.1%|中等|21.78%|
|12|[整数转罗马数字](https://leetcode-cn.com/problems/integer-to-roman)   |[187](https://leetcode-cn.com/problems/integer-to-roman/solution)|62.0%|中等|21.78%|
|13|[罗马数字转整数](https://leetcode-cn.com/problems/roman-to-integer)   |[462](https://leetcode-cn.com/problems/roman-to-integer/solution)|59.9%|简单|21.65%|
|360|[有序转化数组](https://leetcode-cn.com/problems/sort-transformed-array)   |[11](https://leetcode-cn.com/problems/sort-transformed-array/solution)|61.7%|中等|21.56%|
|168|[Excel表列名称](https://leetcode-cn.com/problems/excel-sheet-column-title)   |[67](https://leetcode-cn.com/problems/excel-sheet-column-title/solution)|36.0%|简单|20.72%|
|628|[三个数的最大乘积](https://leetcode-cn.com/problems/maximum-product-of-three-numbers)   |[46](https://leetcode-cn.com/problems/maximum-product-of-three-numbers/solution)|48.1%|简单|20.35%|
|781|[森林中的兔子](https://leetcode-cn.com/problems/rabbits-in-forest)   |[27](https://leetcode-cn.com/problems/rabbits-in-forest/solution)|52.9%|中等|20.2%|
|319|[灯泡开关](https://leetcode-cn.com/problems/bulb-switcher)   |[20](https://leetcode-cn.com/problems/bulb-switcher/solution)|43.7%|中等|20.19%|
|672|[灯泡开关 Ⅱ](https://leetcode-cn.com/problems/bulb-switcher-ii)   |[6](https://leetcode-cn.com/problems/bulb-switcher-ii/solution)|51.7%|中等|19.98%|
|60|[第k个排列](https://leetcode-cn.com/problems/permutation-sequence)   |[105](https://leetcode-cn.com/problems/permutation-sequence/solution)|47.6%|中等|19.91%|
|836|[矩形重叠](https://leetcode-cn.com/problems/rectangle-overlap)   |[23](https://leetcode-cn.com/problems/rectangle-overlap/solution)|44.3%|简单|19.84%|
|1009|[十进制整数的反码](https://leetcode-cn.com/problems/complement-of-base-10-integer)   |[25](https://leetcode-cn.com/problems/complement-of-base-10-integer/solution)|58.2%|简单|19.56%|
|633|[平方数之和](https://leetcode-cn.com/problems/sum-of-square-numbers)   |[28](https://leetcode-cn.com/problems/sum-of-square-numbers/solution)|32.1%|简单|19.24%|
|258|[各位相加](https://leetcode-cn.com/problems/add-digits)   |[88](https://leetcode-cn.com/problems/add-digits/solution)|65.1%|简单|18.96%|
|1218|[最长定差子序列](https://leetcode-cn.com/problems/longest-arithmetic-subsequence-of-given-difference)   |[16](https://leetcode-cn.com/problems/longest-arithmetic-subsequence-of-given-difference/solution)|34.0%|中等|18.51%|
|335|[路径交叉](https://leetcode-cn.com/problems/self-crossing)   |[6](https://leetcode-cn.com/problems/self-crossing/solution)|30.7%|困难|18.26%|
|1250|[检查「好数组」](https://leetcode-cn.com/problems/check-if-it-is-a-good-array)   |[9](https://leetcode-cn.com/problems/check-if-it-is-a-good-array/solution)|49.1%|困难|17.91%|
|1006|[笨阶乘](https://leetcode-cn.com/problems/clumsy-factorial)   |[13](https://leetcode-cn.com/problems/clumsy-factorial/solution)|49.7%|中等|17.68%|
|651|[4键键盘](https://leetcode-cn.com/problems/4-keys-keyboard)   |[10](https://leetcode-cn.com/problems/4-keys-keyboard/solution)|56.6%|中等|17.68%|
|883|[三维形体投影面积](https://leetcode-cn.com/problems/projection-area-of-3d-shapes)   |[17](https://leetcode-cn.com/problems/projection-area-of-3d-shapes/solution)|62.7%|简单|17.57%|
|1015|[可被 K 整除的最小整数](https://leetcode-cn.com/problems/smallest-integer-divisible-by-k)   |[8](https://leetcode-cn.com/problems/smallest-integer-divisible-by-k/solution)|27.6%|中等|17.13%|
|1238|[循环码排列](https://leetcode-cn.com/problems/circular-permutation-in-binary-representation)   |[25](https://leetcode-cn.com/problems/circular-permutation-in-binary-representation/solution)|59.1%|中等|17.03%|
|775|[全局倒置与局部倒置](https://leetcode-cn.com/problems/global-and-local-inversions)   |[15](https://leetcode-cn.com/problems/global-and-local-inversions/solution)|40.8%|中等|16.62%|
|29|[两数相除](https://leetcode-cn.com/problems/divide-two-integers)   |[127](https://leetcode-cn.com/problems/divide-two-integers/solution)|19.0%|中等|16.51%|
|264|[丑数 II](https://leetcode-cn.com/problems/ugly-number-ii)   |[36](https://leetcode-cn.com/problems/ugly-number-ii/solution)|48.4%|中等|16.4%|
|263|[丑数](https://leetcode-cn.com/problems/ugly-number)   |[54](https://leetcode-cn.com/problems/ugly-number/solution)|48.4%|简单|16.21%|
|1154|[一年中的第几天](https://leetcode-cn.com/problems/day-of-the-year)   |[48](https://leetcode-cn.com/problems/day-of-the-year/solution)|51.4%|简单|15.66%|
|247|[中心对称数 II](https://leetcode-cn.com/problems/strobogrammatic-number-ii)   |[15](https://leetcode-cn.com/problems/strobogrammatic-number-ii/solution)|46.5%|中等|15.26%|
|908|[最小差值 I](https://leetcode-cn.com/problems/smallest-range-i)   |[31](https://leetcode-cn.com/problems/smallest-range-i/solution)|67.1%|简单|15.18%|
|171|[Excel表列序号](https://leetcode-cn.com/problems/excel-sheet-column-number)   |[79](https://leetcode-cn.com/problems/excel-sheet-column-number/solution)|65.9%|简单|14.98%|
|397|[整数替换](https://leetcode-cn.com/problems/integer-replacement)   |[22](https://leetcode-cn.com/problems/integer-replacement/solution)|33.0%|中等|14.85%|
|166|[分数到小数](https://leetcode-cn.com/problems/fraction-to-recurring-decimal)   |[33](https://leetcode-cn.com/problems/fraction-to-recurring-decimal/solution)|25.2%|中等|14.81%|
|453|[最小移动次数使数组元素相等](https://leetcode-cn.com/problems/minimum-moves-to-equal-array-elements)   |[22](https://leetcode-cn.com/problems/minimum-moves-to-equal-array-elements/solution)|52.5%|简单|14.77%|
|172|[阶乘后的零](https://leetcode-cn.com/problems/factorial-trailing-zeroes)   |[58](https://leetcode-cn.com/problems/factorial-trailing-zeroes/solution)|39.4%|简单|14.73%|
|1025|[除数博弈](https://leetcode-cn.com/problems/divisor-game)   |[56](https://leetcode-cn.com/problems/divisor-game/solution)|69.0%|简单|14.43%|
|866|[回文素数](https://leetcode-cn.com/problems/prime-palindrome)   |[14](https://leetcode-cn.com/problems/prime-palindrome/solution)|18.4%|中等|14.18%|
|728|[自除数](https://leetcode-cn.com/problems/self-dividing-numbers)   |[59](https://leetcode-cn.com/problems/self-dividing-numbers/solution)|71.6%|简单|13.79%|
|396|[旋转函数](https://leetcode-cn.com/problems/rotate-function)   |[18](https://leetcode-cn.com/problems/rotate-function/solution)|38.5%|中等|13.76%|
|976|[三角形的最大周长](https://leetcode-cn.com/problems/largest-perimeter-triangle)   |[28](https://leetcode-cn.com/problems/largest-perimeter-triangle/solution)|54.5%|简单|13.24%|
|1041|[困于环中的机器人](https://leetcode-cn.com/problems/robot-bounded-in-circle)   |[28](https://leetcode-cn.com/problems/robot-bounded-in-circle/solution)|41.8%|中等|12.65%|
|372|[超级次方](https://leetcode-cn.com/problems/super-pow)   |[14](https://leetcode-cn.com/problems/super-pow/solution)|37.4%|中等|12%|
|268|[缺失数字](https://leetcode-cn.com/problems/missing-number)   |[95](https://leetcode-cn.com/problems/missing-number/solution)|53.4%|简单|11.87%|
|231|[2的幂](https://leetcode-cn.com/problems/power-of-two)   |[85](https://leetcode-cn.com/problems/power-of-two/solution)|47.2%|简单|11.03%|
|1227|[飞机座位分配概率](https://leetcode-cn.com/problems/airplane-seat-assignment-probability)   |[18](https://leetcode-cn.com/problems/airplane-seat-assignment-probability/solution)|64.5%|中等|11.02%|
|1217|[玩筹码](https://leetcode-cn.com/problems/play-with-chips)   |[49](https://leetcode-cn.com/problems/play-with-chips/solution)|66.1%|简单|10.16%|
|812|[最大三角形面积](https://leetcode-cn.com/problems/largest-triangle-area)   |[14](https://leetcode-cn.com/problems/largest-triangle-area/solution)|58.8%|简单|9.57%|
|357|[计算各个位数不同的数字个数](https://leetcode-cn.com/problems/count-numbers-with-unique-digits)   |[26](https://leetcode-cn.com/problems/count-numbers-with-unique-digits/solution)|49.0%|中等|9.44%|
|313|[超级丑数](https://leetcode-cn.com/problems/super-ugly-number)   |[17](https://leetcode-cn.com/problems/super-ugly-number/solution)|59.1%|中等|7.02%|
|441|[排列硬币](https://leetcode-cn.com/problems/arranging-coins)   |[43](https://leetcode-cn.com/problems/arranging-coins/solution)|39.7%|简单|6.69%|
|523|[连续的子数组和](https://leetcode-cn.com/problems/continuous-subarray-sum)   |[17](https://leetcode-cn.com/problems/continuous-subarray-sum/solution)|22.5%|中等|6.62%|
|1237|[找出给定方程的正整数解](https://leetcode-cn.com/problems/find-positive-integer-solution-for-a-given-equation)   |[30](https://leetcode-cn.com/problems/find-positive-integer-solution-for-a-given-equation/solution)|67.1%|简单|6.49%|
|645|[错误的集合](https://leetcode-cn.com/problems/set-mismatch)   |[31](https://leetcode-cn.com/problems/set-mismatch/solution)|39.5%|简单|5.46%|
|326|[3的幂](https://leetcode-cn.com/problems/power-of-three)   |[36](https://leetcode-cn.com/problems/power-of-three/solution)|45.8%|简单|3.8%|
|367|[有效的完全平方数](https://leetcode-cn.com/problems/valid-perfect-square)   |[54](https://leetcode-cn.com/problems/valid-perfect-square/solution)|42.8%|简单|2.48%|
|1281|[整数的各位积和之差](https://leetcode-cn.com/problems/subtract-the-product-and-sum-of-digits-of-an-integer)   |[82](https://leetcode-cn.com/problems/subtract-the-product-and-sum-of-digits-of-an-integer/solution)|80.6%|简单|1.38%|
|1276|[不浪费原料的汉堡制作方案](https://leetcode-cn.com/problems/number-of-burgers-with-no-waste-of-ingredients)   |[24](https://leetcode-cn.com/problems/number-of-burgers-with-no-waste-of-ingredients/solution)|48.5%|中等| |
|1253|[重构 2 行二进制矩阵](https://leetcode-cn.com/problems/reconstruct-a-2-row-binary-matrix)   |[25](https://leetcode-cn.com/problems/reconstruct-a-2-row-binary-matrix/solution)|34.2%|中等| |
|1232|[缀点成线](https://leetcode-cn.com/problems/check-if-it-is-a-straight-line)   |[38](https://leetcode-cn.com/problems/check-if-it-is-a-straight-line/solution)|48.8%|简单| |
|1175|[质数排列](https://leetcode-cn.com/problems/prime-arrangements)   |[17](https://leetcode-cn.com/problems/prime-arrangements/solution)|45.9%|简单| |
|1272|[删除区间](https://leetcode-cn.com/problems/remove-interval)   |[10](https://leetcode-cn.com/problems/remove-interval/solution)|46.7%|中等| |
|1271|[十六进制魔术数字](https://leetcode-cn.com/problems/hexspeak)   |[7](https://leetcode-cn.com/problems/hexspeak/solution)|43.8%|简单| |
|1104|[二叉树寻路](https://leetcode-cn.com/problems/path-in-zigzag-labelled-binary-tree)   |[34](https://leetcode-cn.com/problems/path-in-zigzag-labelled-binary-tree/solution)|66.6%|中等| |
|1256|[加密数字](https://leetcode-cn.com/problems/encode-number)   |[11](https://leetcode-cn.com/problems/encode-number/solution)|58.4%|中等| |
|1093|[大样本统计](https://leetcode-cn.com/problems/statistics-from-a-large-sample)   |[16](https://leetcode-cn.com/problems/statistics-from-a-large-sample/solution)|37.6%|中等| |
|1199|[建造街区的最短时间](https://leetcode-cn.com/problems/minimum-time-to-build-blocks)   |[4](https://leetcode-cn.com/problems/minimum-time-to-build-blocks/solution)|33.7%|困难| |
|1230|[抛掷硬币](https://leetcode-cn.com/problems/toss-strange-coins)   |[8](https://leetcode-cn.com/problems/toss-strange-coins/solution)|39.3%|中等| |
|1228|[等差数列中缺失的数字](https://leetcode-cn.com/problems/missing-number-in-arithmetic-progression)   |[14](https://leetcode-cn.com/problems/missing-number-in-arithmetic-progression/solution)|52.9%|简单| |
|1073|[负二进制数相加](https://leetcode-cn.com/problems/adding-two-negabinary-numbers)   |[12](https://leetcode-cn.com/problems/adding-two-negabinary-numbers/solution)|28.8%|中等| |
|1180|[统计只含单一字母的子串](https://leetcode-cn.com/problems/count-substrings-with-only-one-distinct-letter)   |[9](https://leetcode-cn.com/problems/count-substrings-with-only-one-distinct-letter/solution)|72.7%|简单| |
|1037|[有效的回旋镖](https://leetcode-cn.com/problems/valid-boomerang)   |[25](https://leetcode-cn.com/problems/valid-boomerang/solution)|38.9%|简单| |
|1134|[阿姆斯特朗数](https://leetcode-cn.com/problems/armstrong-number)   |[13](https://leetcode-cn.com/problems/armstrong-number/solution)|74.3%|简单| |
|1088|[易混淆数 II](https://leetcode-cn.com/problems/confusing-number-ii)   |[7](https://leetcode-cn.com/problems/confusing-number-ii/solution)|30.9%|困难| |
|1017|[负二进制转换](https://leetcode-cn.com/problems/convert-to-base-2)   |[6](https://leetcode-cn.com/problems/convert-to-base-2/solution)|51.0%|中等| |
|1056|[易混淆数](https://leetcode-cn.com/problems/confusing-number)   |[15](https://leetcode-cn.com/problems/confusing-number/solution)|32.7%|简单| |
|1058|[最小化舍入误差以满足目标](https://leetcode-cn.com/problems/minimize-rounding-error-to-meet-target)   |[6](https://leetcode-cn.com/problems/minimize-rounding-error-to-meet-target/solution)|26.7%|中等| |
|991|[坏了的计算器](https://leetcode-cn.com/problems/broken-calculator)   |[10](https://leetcode-cn.com/problems/broken-calculator/solution)|50.2%|中等| |
|972|[相等的有理数](https://leetcode-cn.com/problems/equal-rational-numbers)   |[5](https://leetcode-cn.com/problems/equal-rational-numbers/solution)|41.6%|困难| |
|970|[强整数](https://leetcode-cn.com/problems/powerful-integers)   |[22](https://leetcode-cn.com/problems/powerful-integers/solution)|38.4%|简单| |
|963|[最小面积矩形 II](https://leetcode-cn.com/problems/minimum-area-rectangle-ii)   |[6](https://leetcode-cn.com/problems/minimum-area-rectangle-ii/solution)|48.9%|中等| |
|942|[增减字符串匹配](https://leetcode-cn.com/problems/di-string-match)   |[48](https://leetcode-cn.com/problems/di-string-match/solution)|70.8%|简单| |
|906|[超级回文数](https://leetcode-cn.com/problems/super-palindromes)   |[9](https://leetcode-cn.com/problems/super-palindromes/solution)|20.3%|困难| |
|902|[最大为 N 的数字组合](https://leetcode-cn.com/problems/numbers-at-most-n-given-digit-set)   |[12](https://leetcode-cn.com/problems/numbers-at-most-n-given-digit-set/solution)|26.9%|困难| |
|891|[子序列宽度之和](https://leetcode-cn.com/problems/sum-of-subsequence-widths)   |[6](https://leetcode-cn.com/problems/sum-of-subsequence-widths/solution)|26.1%|困难| |
|868|[二进制间距](https://leetcode-cn.com/problems/binary-gap)   |[32](https://leetcode-cn.com/problems/binary-gap/solution)|59.3%|简单| |
|800|[相似 RGB 颜色](https://leetcode-cn.com/problems/similar-rgb-color)   |[7](https://leetcode-cn.com/problems/similar-rgb-color/solution)|64.6%|简单| |
|794|[有效的井字游戏](https://leetcode-cn.com/problems/valid-tic-tac-toe-state)   |[19](https://leetcode-cn.com/problems/valid-tic-tac-toe-state/solution)|32.1%|中等| |
|789|[逃脱阻碍者](https://leetcode-cn.com/problems/escape-the-ghosts)   |[4](https://leetcode-cn.com/problems/escape-the-ghosts/solution)|57.7%|中等| |
|660|[移除 9](https://leetcode-cn.com/problems/remove-9)   |[6](https://leetcode-cn.com/problems/remove-9/solution)|53.0%|困难| |
|598|[范围求和 II](https://leetcode-cn.com/problems/range-addition-ii)   |[20](https://leetcode-cn.com/problems/range-addition-ii/solution)|50.0%|简单| |
|573|[松鼠模拟](https://leetcode-cn.com/problems/squirrel-simulation)   |[5](https://leetcode-cn.com/problems/squirrel-simulation/solution)|60.3%|中等| |
|553|[最优除法](https://leetcode-cn.com/problems/optimal-division)   |[9](https://leetcode-cn.com/problems/optimal-division/solution)|53.3%|中等| |
|356|[直线镜像](https://leetcode-cn.com/problems/line-reflection)   |[7](https://leetcode-cn.com/problems/line-reflection/solution)|27.1%|中等| |
|296|[最佳的碰头地点](https://leetcode-cn.com/problems/best-meeting-point)   |[9](https://leetcode-cn.com/problems/best-meeting-point/solution)|59.9%|困难| |
|248|[中心对称数 III](https://leetcode-cn.com/problems/strobogrammatic-number-iii)   |[13](https://leetcode-cn.com/problems/strobogrammatic-number-iii/solution)|43.3%|困难| |
|246|[中心对称数](https://leetcode-cn.com/problems/strobogrammatic-number)   |[11](https://leetcode-cn.com/problems/strobogrammatic-number/solution)|44.8%|简单| |