命令行的配置 var settings = new Dictionary<string, string>{ { "name","cyao"}, {"} }; var builder = new ConfigurationBuilder() .AddInMemoryCollection(settings)内存中获取appsettings .AddCommandLine(args); var configuration = builder.Buil…
11.二进制中1的个数 输入一个整数,输出该数二进制表示中1的个数.其中负数用补码表示. (1)最优解 public class Solution { public int NumberOf1(int n) { int count=0; while(n!=0){ n = n&(n-1); count++; } return count; } } (2) public class Solution { public int NumberOf1(int n) { int count=0; int f…
