提交记录 15830 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
_wangXiWen	1003. 测测你的二分查找	Compile Error	0	0 ns	0 KB	C++	114 B

提交时间	评测时间
2021-02-07 11:54:30	2021-02-07 11:54:32

代码

#include<bits/stdc++.h>
int binary_search(const unsigned *a, int n, unsigned x)
{
return lower_bound(a,a+n,x)-a;
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/2e5e1eca68f811eb8d96fdb470a28eb4/contestant.cpp: In function ‘int binary_search(const unsigned int*, int, unsigned int)’:
jp_data/tasks/2e5e1eca68f811eb8d96fdb470a28eb4/contestant.cpp:4:8: error: ‘lower_bound’ was not declared in this scope; did you mean ‘std::lower_bound’?
    4 | return lower_bound(a,a+n,x)-a;
      |        ^~~~~~~~~~~
      |        std::lower_bound
In file included from /usr/include/c++/9/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:65,
                 from jp_data/tasks/2e5e1eca68f811eb8d96fdb470a28eb4/contestant.cpp:1:
/usr/include/c++/9/bits/stl_algo.h:2022:5: note: ‘std::lower_bound’ declared here
 2022 |     lower_bound(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~~~~~~