Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
107424 何思佳 二进制转十进制 C++ Compile Error 0 MS 0 KB 219 2025-01-17 17:09:54

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main() { string s; cin>>s; int ejz=1; int sum=0; for(int i=s.size()-1;i>=0;i--) { if(s[i]=='1'){ sum+=w; } w*=2; } cout<<sum; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:10:9: error: 'w' was not declared in this scope
    sum+=w;
         ^
Main.cc:12:3: error: 'w' was not declared in this scope
   w*=2;
   ^
Main.cc:6:6: warning: unused variable 'ejz' [-Wunused-variable]
  int ejz=1;
      ^