Lintcode185 Matrix Zigzag Traversal solution 題解
【題目描述】
Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in ZigZag-order.
給你一個包含mxn個元素的矩陣 (m行,n列), 求該矩陣的之字型遍歷。
【題目鏈接】
www.lintcode.com/en/problem/matrix-zigzag-traversal/
【題目解析】
Z字形走法,從左下到右上,右移或下移一位,再從右上到左下,下移或右移一位,如此往復。
註意兩點:
1、兩個while循環必須是先走斜上的循環,再走斜下的循環;
2、兩個while循環之後的平移操作,有著嚴格的相對順序:斜上之後的平移,先考慮右移,再考慮下移;斜下之後的平移,先考慮下移,再考慮右移。
【參考答案】
www.jiuzhang.com/solutions/matrix-zigzag-traversal/
Lintcode185 Matrix Zigzag Traversal solution 題解
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