Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
177 Benson 十进制转二进制 C++ Compile Error 0 MS 0 KB 301 2022-07-21 10:56:02

Tests(0/0):

Code:

#include<iostream> #include<cstring> #include<cmath> using namespace std; int main() { string b; int i=0,y,a; cin>>a; while(a!=0) { if(k==0) { cout<<0; } y=a%2; b[i]=y+'0'; a=a/2; i++; } for(i;i>=0;i--) { cout<<b[i-1]; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:12:9: error: 'k' was not declared in this scope
      if(k==0)
         ^
Main.cc:21:7: warning: statement has no effect [-Wunused-value]
  for(i;i>=0;i--)
       ^