问题描述
我真正知道的是PHP和我使用了 decbin
功能等,这是相当容易的事。在这个C ++程序我想要做同样的事情,只是一个简单的数字或字符串我会怎么做呢?
All I really know is PHP and I used the decbin
function etc, It was fairly easy to do. In this C++ program I want to do the same thing, just a simple number or string how would I do this?
推荐答案
一个简单的功能,可以像这样定义:
A simple function could be defined such as this:
void binary(int decimal) {
int remainder;
if(decimal <= 1) {
std::cout << decimal;
return;
}
remainder = decimal % 2;
binary(decimal >> 1);
std::cout << remainder;
}
虽然有在网络上许多其他资源上如何做到这一点..
Although there are many other resources on the web on how to do this..
有关它的效率在这里值得注意的一个问题,因为你可能要远远不止这些:
http://stackoverflow.com/questions/819487/efficiently-convert-between-hex-binary-and-decimal-in-c-c
A noteworthy question for efficiency of it here, as you may want more than just that:http://stackoverflow.com/questions/819487/efficiently-convert-between-hex-binary-and-decimal-in-c-c
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