Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
3486 邓小龙 只出现一次的字符 C++ Compile Error 0 MS 0 KB 298 2024-06-08 18:19:39

Tests(0/0):

Code:

#include<iostream> using namespace std; string s; int a[26]; int main(){ getline(cin,s); for(int i=0;i<s.size();i++) a[s[i]-'a']++; for(int i=0;i<s.size();i++){ if(a[s[i]-'a']==1) {cout<<s[i]<<endl;return 0} } cout<<"no"<<endl; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:7:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<s.size();i++)
                          ^
Main.cc:10:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<s.size();i++){
                          ^
Main.cc:11:54: error: expected ';' before '}' token
         if(a[s[i]-'a']==1) {cout<<s[i]<<endl;return 0}
                                                      ^