Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
122863 林嘉乐 只出现一次的字符 C++ Compile Error 0 MS 0 KB 550 2025-06-21 17:09:48

Tests(0/0):

Code:

#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a[26]={0},; string s; getline(cin,s); for(int i;i<s.length();i++){ a[s[i]-'a']++; } for(int i=0;i<s.length();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:8:19: error: expected unqualified-id before ';' token
     int a[26]={0},;
                   ^
Main.cc:11:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i;i