• leetcode530-LeetCode:力码

    leetcode 530 力码 # 标题 解决方案 评论 1 100% 2 3 4 5 6 7 100% 8 9 100% 10 11 100% 12 100% 13 100% 14 100% 15 100% 16 100% 17 100% 18 100% 19 100% 20 100% 21 100% 22 100% 23 24 25 26 100% 27 100% 28 100% 29 30 31 32 33 34 35 100% 36 37 38 39 40 41 42 43 44 45 100% 46 47 48 49 50 51 52 53 100% 54 55 100% 56 57 58 100% 59 60 61 62 63 64 65 66 100% 67 100% 68 69 100% 70 100% 71 72 73 74 75 76 77 78 79 80 81 82 83 100% 84 85 86 87 88 100% 89 90 91 92 93 94 95 96 97 98 99 100 100% 101 100% 102 103 104 100% 105

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  • leetcode530-leetcode_Ruby:Leetcode的Ruby代码

    leetcode 530 leetcode_Ruby Leetcode 的 Ruby 代码 包含的问题 3 无重复字符的最长子串中第 412 章438 轻松找出字符串中的所有字谜第448章 轻松找出所有消失在数组中的数字第455话第461话463岛周界轻松476号补简单477 总汉明距离中等485 Max 连续的容易第492章 简单的长方形构造第496章 下一个大元素我简单500 键盘排轻松506 相对排名容易第520章 轻松检测资本530 BST 中的最小绝对差 Easy 第551章 学生考勤记录我轻松563 二叉树倾斜容易598 范围加法 II 简单

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  • 一些关于射频功率放大器数字预失真技术的资料分享1

    随着无线通信技术的飞速发展和人们对高频谱利用率和高功率效率的要求,线性调制技术和高效率的射频功率放大器得到了广泛应用。丰恒包络调制方式的使用使得射频放大器通常需要采用功本日退的方法来达到系统缺性的要求。但是为了提高功率放大悉的效率。又要求其工作在饱和状态,这必然就会带来严重的非线性。非线性不仅会导致信号带宽之外的频谱两生或扩展,对邻近信道途成干扰:还会在信号着宽内造成失真,恶化了接收机的比特误码率。为了获得高效率高、线性度好的功奉放大器,通常可以采用线性化的方法来实现。数字预失真是所有线性化技术中性价比最

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  • leetcode提交记录怎么看-leetcode:leetcode

    leetcode提交记录怎么看 leetcode-51 本题来自于经典的八皇后问题,这里是 N 皇后,不仅仅需要计算个数,而且输出皇后摆放的结果。因此:需要解决以下几个问题: N 皇后问题基本逻辑:回溯法。一旦发生冲突则回溯,从第 0 行到 n-1 行遍历,依次判断每行的第 0 列-N-1 列。因此采用用了递归的方式来回溯 确定是否发生冲突,一是记录对角线特征(主对角线:行-列=定值,从对角线:行+列=定值),二是记录某列是否已被占用 记录在哪一行的哪一列存放数据 可能遇到的坑: 起初使用数组来记录对角线和列是否被占用,后来发现 golang 无法初始化非常量长度的数组,于是改用了 map 最坑的是本地和线上测试都是正确的,但是提交结果不正确,很气,神坑,还没找到原因 leetcode-52 同上题思路,leetcode 直接提交仍显示错误,本地测试和线上测试均无误。 leetcode-53 在这里使用了分治法,时间复杂度为 O(NlogN),其实有 O(N)的解法,这里只是为了练习分治法。注意: go 里面没有 while,统一用 for,go 里面没有直接判断整数大小的,需要自己实

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  • leetcode分类-LeetCodeEasy:力码易

    leetcode 分类 leetcode简单题目分类记录

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  • School performance, intelligence, and locus of reinforcement control scales

    School performance, intelligence, and locus of reinforcement control scales SCHOOL PERFORMANCE, INTELLIGENCE, AND LOCUS OF GUNARS REIMANIS' Corning Community College REINFORCEMENT CONTROL SCALES There has been much recent interest in the meaning of locus of reinforcement control and its relationship to education. From locus of control theory one can predict a positive internal control-school achievement relationship. A study by Reimanis (1970) suggests that internal control is a nec

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  • Matarazzo, J. D. Wechsler's measurement and appraisal of adult intelligence: 5th and enlarged edition. Baltimore: Williams & Wilkins, 1972, 572 p., [dollar]15.75

    Matarazzo, J. D. Wechsler's measurement and appraisal of adult intelligence: 5th and enlarged edition. Baltimore: Williams & Wilkins, 1972, 572 p., [dollar]15.75 376 BOOK REVIEWS chapters have a largely psychodynamic bent. The cognitive and linguistic envirgn- ments of families with children who are having school problems find little coverage here. Nor are the special conditions of lower-class and minority-group families taken up in great detail. The personalities and emotional interactio

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  • Books Received Recently

    Books Received Recently BAILEY, D. B., & SIMEONSSON, R. J . (1988). Family assessment in early intervention. Columbus, OH: Merrill, 280 pp., $24.95 (paper). BOY, A. V., & PINE, G. J. (1988). Fosteringpsychosocial development in the classroom. Springfield, IL: Charles C Thomas, 259 pp., $34.75. CLEMENTS, J. (1987). Severe learning disability andpsychological handicap. New York: Wiley, 186 pp., $36.95. DURAN, E., BROWN, L., & BACA, L. M. (1988). Teaching the moderately andseverely han

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  • 易语言-易语言放大镜

    使用方法: 能够对任意图形进行放大。按下A键加大放大倍数,按下C键减小放大倍数,右键或ESC键退出放大镜。

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  • Dualism and conflicts in understanding speciation

    Dualism and conflicts in understanding speciation Dualism and conflicts in understanding speciation Menno Schilthuizen Summary Speciation is a central but elusive issue in evolutionary biology. Over the past sixty years, the subject has been studied within a framework conceived by Ernst Mayr and Theodosius Dobzhansky and subsequently developed further by numerous other workers. In this ``isolation'' theory, the evolution of reproductive isolation is a key element of speciation; natural select

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