Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
61940 杨宜炜 只出现一次的字符 C++ Compile Error 0 MS 0 KB 281 2023-12-16 14:35:51

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main(){ string s; cin>>s; int l=s.size; int a[127]={0}; for(int i=0;i<l;i++){ a[s[i]]++; } for(int i=0;i<l;i++){ if(a[s[i]]==1){ cout<<s[i]<<endl; return 0; } } cout<<"no"; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:7:13: error: cannot convert 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size, std::allocator >' from type 'std::__cxx11::basic_string::size_type (std::__cxx11::basic_string::)() const noexcept {aka long unsigned int (std::__cxx11::basic_string::)() const noexcept}' to type 'int'
     int l=s.size;
             ^
Main.cc:10:12: warning: array subscript has type 'char' [-Wchar-subscripts]
      a[s[i]]++;
            ^
Main.cc:13:12: warning: array subscript has type 'char' [-Wchar-subscripts]
   if(a[s[i]]==1){
            ^