Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
3853 邓程允 十进制小数转二进制 C++ Compile Error 0 MS 0 KB 641 2024-07-13 18:34:24

Tests(0/0):

Code:

# include<iostream> using namespace std; int main(){ bool e=0; double a,y; int x; string b; cin>>a; x=a; y=a-x; if(x==0){ e=1; b=b+"0"; } while(x){ char c=x%2+'0'; b=c+b; x/=2; } if(x==0){ b=b+"0"; } if(y!=0){ b=b+"."; while(y!=0){ y*=2; int d=y; if(d>=1){ b=b+"1"; } else b=b+"0"; y-=d; } } if(b==""&&e=0){ cout<<"0"; return 0; } cout<<b; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:35:16: error: lvalue required as left operand of assignment
     if(b==""&&e=0){
                ^