正整数十进制与二进制互转

十进制证书10转二进制
10 / 2 = 5 0
5 / 2 = 2 1
2 / 2 = 1 0
1 / 2 = 0 1
结果:1010

二进制转十进制
1010 = 0*2^0 = 0
            1*2^1 = 2
            0*2^2 = 0
            1*2^3 = 8
结果:0+2+0+8=10

转载于:https://www.cnblogs.com/danielt/p/10811366.html