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［抄题］： Given a sorted array of integers nums and integer values a, b and c. Apply a quadratic function of the form f(x) = ax2 + bx + c to each element 阅读全文
posted @ 2018-08-11 23:30
苗妙苗
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［抄题］： A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down). Find all strobogrammatic numbers that 阅读全文
posted @ 2018-08-11 17:36
苗妙苗
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［抄题］： Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2-> 阅读全文
posted @ 2018-08-11 17:01
苗妙苗
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［抄题］： On an NxN chessboard, a knight starts at the r-th row and c-th column and attempts to make exactly Kmoves. The rows and columns are 0 indexed, s 阅读全文
posted @ 2018-08-11 15:38
苗妙苗
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［抄题］： Given an array of integers and an integer k, you need to find the total number of continuous subarrays whose sum equals to k. Example 1: [暴力解法]： 阅读全文
posted @ 2018-08-11 10:14
苗妙苗
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［抄题］： Given two strings s1 and s2, write a function to return true if s2 contains the permutation of s1. In other words, one of the first string's per 阅读全文
posted @ 2018-08-11 09:27
苗妙苗
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