Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
150996 杨峻熙 元音字母转换 C++ Compile Error 0 MS 0 KB 393 2026-04-02 17:25:51

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; bool isVow(char){ c=tolower(c); return c=='a'||c=='e'||c=='i'||c=='o'||c=='u'; } int main(){ int T; cin>>T; while(T--){ string s; cin>>s; string ans; for(char ch : s){ if(isVowel(ch)) ans+=toupper(ch); else ans+=tolower(ch); } cout<<ans<<endl; } return 0; }

Run Info:

Main.cc: In function 'bool isVow(char)':
Main.cc:4:2: error: 'c' was not declared in this scope
  c=tolower(c);
  ^
Main.cc: In function 'int main()':
Main.cc:15:19: error: 'isVowel' was not declared in this scope
      if(isVowel(ch)) 
                   ^