提交记录 29146 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
ACAndWA	1000i. 【传统题】 A+B Problem	Compile Error	0	0 ns	0 KB	C++	96 B

提交时间	评测时间
2026-07-05 18:59:48	2026-07-05 18:59:50

代码

#include <stdio.h>
int a, b;
int main() {
	std::cin >> a >> b;
	std::cout << a + b;
	return 0;
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/a3e6e564786011f1aa5f39b1dd43d4ae/contestant.cpp: In function ‘int main()’:
jp_data/tasks/a3e6e564786011f1aa5f39b1dd43d4ae/contestant.cpp:4:7: error: ‘cin’ is not a member of ‘std’
    4 |  std::cin >> a >> b;
      |       ^~~
jp_data/tasks/a3e6e564786011f1aa5f39b1dd43d4ae/contestant.cpp:2:1: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
    1 | #include <stdio.h>
  +++ |+#include <iostream>
    2 | int a, b;
jp_data/tasks/a3e6e564786011f1aa5f39b1dd43d4ae/contestant.cpp:5:7: error: ‘cout’ is not a member of ‘std’
    5 |  std::cout << a + b;
      |       ^~~~
jp_data/tasks/a3e6e564786011f1aa5f39b1dd43d4ae/contestant.cpp:5:7: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?