73798

Run ID	作者	问题	语言	测评结果	Time	Memory	代码长度	提交时间
73798	张江鹏	二进制小数转十进制	C++	Compile Error	0 MS	0 KB	530	2024-05-19 17:30:50

Tests(0/0):

Code:

#include<iostream> using namespace std; int main() { string s; cin>>s; int len=s.size(); int d=-1; double sum=0; for(int i=0;i<len;i++){ if(s[i]=='.'){ d=i; break; } } if(d==1){ a=len; int a[d]; int j=0; int a[d]; int j=0; for(inbt i=0;i<d;i++){ a[j]=s[i]-'0'; j++; } for(int i=0;i<d;i++){ sum+=pow(2,i)*a[i]; } cout<<sum; return 0; }else{ for(int i=d+1;i<len;i++){ sum+=pow(2,-(-i-d))*(s[i]-'0';) } cout<<sum; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:17:3: error: 'a' was not declared in this scope
   a=len;
   ^
Main.cc:22:6: error: redeclaration of 'int j'
  int j=0;
      ^
Main.cc:19:7: note: 'int j' previously declared here
   int j=0;
       ^
Main.cc:23:6: error: 'inbt' was not declared in this scope
  for(inbt i=0;i