javascript关于NaN ，isNaN，Number.isNaN必须知道的知识
javascript关于NaN ，isNaN，Number.isNaN必须知道的知识
贪玩外套
2022.8.23-----leetcode.782
class Solution { int n = 0, INF = 0x3f3f3f3f; int getCnt(int a, int b) { return Integer.bitCount(a) != Integer.bitCount(b) ? INF : Integer.bitCount(a ^ b) / 2; } public int movesToChessboard(int[][] g) { n = g.length;
