Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
119263 陈骏睿 字符的前导值和后继值 C++ Compile Error 0 MS 0 KB 451 2025-05-17 11:58:59

Tests(0/0):

Code:

#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; a=cin.get(); if(a-1>=32&&a-1<=126) cout<<a-1<<endl; else cout<<"Input Error!"<<endl; if(a+1>=32&&a+1<=126) cout<<a-1<<endl; else cout<<"Input Error!"<<endl; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:9:7: error: 'cin' was not declared in this scope
     a=cin.get();
       ^
Main.cc:11:8: error: 'cout' was not declared in this scope
        cout<