提交记录 11230 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
Riddle233	noip17a. 【NOIP2017】小凯的疑惑	Compile Error	0	0 ns	0 KB	C++	123 B

提交时间	评测时间
2019-11-08 09:42:26	2020-08-01 02:40:04

代码

#include <stdio.h>
#include<iostream>

int main() {
        int a,b;
        cin>>a>>b
        cout<<a*b-a-b;
	return 0;
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/3dda3cb9d35d11ea899e00163e04388b/contestant.cpp: In function ‘int main()’:
jp_data/tasks/3dda3cb9d35d11ea899e00163e04388b/contestant.cpp:6:9: error: ‘cin’ was not declared in this scope; did you mean ‘std::cin’?
    6 |         cin>>a>>b
      |         ^~~
      |         std::cin
In file included from jp_data/tasks/3dda3cb9d35d11ea899e00163e04388b/contestant.cpp:2:
/usr/include/c++/9/iostream:60:18: note: ‘std::cin’ declared here
   60 |   extern istream cin;  /// Linked to standard input
      |                  ^~~