107388

Run ID	作者	问题	语言	测评结果	Time	Memory	代码长度	提交时间
107388	何嘉欢	合法的标识符	C++	Compile Error	0 MS	0 KB	247	2025-01-17 16:15:33

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; string s; int main(){ cin>>s; int a=1; for(int i=0;i<s.size();i++){ if(s[0]>='0'&&s[0]<='9'){ a=0; cout<<"no"; break; } } if(a!=0){ cout<<"yes";fgh } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:7:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i