Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
81334 赵文浚 字符的前导值和后继值 C++ Compile Error 0 MS 0 KB 338 2024-07-12 11:38:33

Tests(0/0):


Code:

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:5:6: error: 'cin' was not declared in this scope
  a = cin.get(); 
      ^
Main.cc:8:3: error: 'cout' was not declared in this scope
   cout << a - 1 << endl; 
   ^
Main.cc:8:20: error: 'endl' was not declared in this scope
   cout << a - 1 << endl; 
                    ^
Main.cc:12:3: error: 'cout' was not declared in this scope
   cout << "Input Error!" << endl; 
   ^
Main.cc:12:29: error: 'endl' was not declared in this scope
   cout << "Input Error!" << endl; 
                             ^
Main.cc:16:4: error: 'cout' was not declared in this scope
    cout << a + 1 << endl; 
    ^
Main.cc:16:21: error: 'endl' was not declared in this scope
    cout << a + 1 << endl; 
                     ^
Main.cc:20:2: error: 'cout' was not declared in this scope
  cout << "Input Error!" << endl; 
  ^
Main.cc:20:28: error: 'endl' was not declared in this scope
  cout << "Input Error!" << endl; 
                            ^