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POJ 3233 Matrix Power Series 矩阵等比数列求和
和前面有一题是一样的做法吧。A^1+A^2+A^3+A^4 = A^1+A^2+A^2*(A^1+A^2)类似这样搞就可以二分处理了。#include #include #include #include #include #include #include #include #include #i...
分类:其他好文   时间:2014-10-24 20:30:39    阅读次数:152
LeetCode: Spiral Matrix II 解题报告-三种方法解决旋转矩阵问题
Spiral Matrix IIGiven an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order.For example,Given n = 3,You should retu...
分类:其他好文   时间:2014-10-24 12:35:31    阅读次数:259
【LeetCode】Set Matrix Zeroes 解题报告
今天看到CSDN博客的勋章换了图表,同时也增加显示了博客等级,看起来都听清新的,感觉不错! 【题目】 Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place. click to show follow up. Follow up: Did yo...
分类:其他好文   时间:2014-10-24 11:01:34    阅读次数:219
POJ 3233 - Matrix Power Series ( 矩阵快速幂 + 二分)
POJ 3233 - Matrix Power Series ( 矩阵快速幂 + 二分)#include #include #include using namespace std;typedef long long LL;#define MAX_SIZE 30#define CLR( a, b )...
分类:其他好文   时间:2014-10-24 00:01:33    阅读次数:408
LeetCode: Spiral Matrix 解题报告
Spiral MatrixGiven a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order.For example,Given the following m...
分类:其他好文   时间:2014-10-23 19:03:17    阅读次数:272
leetcode - Rotate Image
You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up: Could you do this in-place? class Solution { public: void rotate(std::vector >...
分类:其他好文   时间:2014-10-23 12:37:18    阅读次数:187
LeetCode 53 Spiral Matrix
Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You...
分类:其他好文   时间:2014-10-23 12:36:01    阅读次数:176
LeetCode 58 Spiral Matrix II
Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example, Given n = 3, You should return the following matrix: [ [ 1, 2, 3 ], [ 8, 9, 4 ], [...
分类:其他好文   时间:2014-10-23 12:31:39    阅读次数:132
leetcode - Spiral Matrix
Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] ...
分类:其他好文   时间:2014-10-23 00:11:12    阅读次数:157
Rotate Image
将图片旋转90°,实际上就是在操作数组,感觉实际中canvas可以用到。public class Solution { public void rotate(int[][] matrix) { if (matrix.length == 1) { return...
分类:其他好文   时间:2014-10-22 23:30:46    阅读次数:229
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