Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
118245 左锶焜 06字符后移 C++ Compile Error 0 MS 0 KB 342 2025-04-26 11:55:28

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(){ char a,s,d; cin>>a>>a>>b>>b; cout<<b<<b<<a<<a; return 0; }


Run Info:

Main.cc: In function 'int main()':
Main.cc:9:16: error: 'b' was not declared in this scope
     cin>>a>>a>>b>>b;
                ^
Main.cc:8:12: warning: unused variable 's' [-Wunused-variable]
     char a,s,d;
            ^
Main.cc:8:14: warning: unused variable 'd' [-Wunused-variable]
     char a,s,d;
              ^