Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
146847 潘明泽 财务管理 C++ Compile Error 0 MS 0 KB 157 2026-01-31 20:21:14

Tests(0/0):

Code:

#include<bits/stdc++.h> int main() { double n,a; while(cin>>n){ a+=n; } cout<<"￥"; printf("%.2lf",a); return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:5:11: error: 'cin' was not declared in this scope
     while(cin>>n){
           ^
Main.cc:5:11: note: suggested alternative:
In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:74:0,
                 from Main.cc:1:
/usr/include/c++/5/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
Main.cc:8:5: error: 'cout' was not declared in this scope
     cout<<"￥";
     ^
Main.cc:8:5: note: suggested alternative:
In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:74:0,
                 from Main.cc:1:
/usr/include/c++/5/iostream:61:18: note:   'std::cout'
   extern ostream cout;  /// Linked to standard output
                  ^