//Given a (decimal - e.g. 3.72) number that is passed in as a string, print the binary representation.If the number can not be represented accurately in binary, print “ERROR”. //前面有個打印整數的了，這里只打印小數. #include <iostream> #include <vector> #include <string> #include <stdlib.h> using namespace std;void print(int p) {vector<int> v;for (int k = 0;k<32; k++){int t = p&1;v.push_back(t);p=p>>1;}for (int i = v.size()-1;i>-1; i--){cout<<v[i]<<" ";}cout<<endl; }void mprintf(float f) {vector <int>v;for (int k = 0; k<32; k++){f = f *2;if (f>=1){f = f-1.0;v.push_back(1);}else v.push_back(0);cout<<v[k]<<" ";}} int main() {string str = "0.8";float f = atof(str.c_str());mprintf(f);return 0; }

轉載于:https://www.cnblogs.com/Vulkan/p/7530080.html

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