提交记录 6227 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
alpha1022	1003. 测测你的二分查找	Compile Error	0	0 ns	0 KB	C++	118 B

提交时间	评测时间
2018-10-03 17:39:20	2020-08-01 00:40:46

代码

#include <algorithm>

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/94a1ddc6d34c11ea899e00163e04388b/contestant.cpp: In function ‘int binary_search(const unsigned int*, int, unsigned int)’:
jp_data/tasks/94a1ddc6d34c11ea899e00163e04388b/contestant.cpp:5:9: error: ‘lower_bound’ was not declared in this scope; did you mean ‘std::lower_bound’?
    5 |  return lower_bound(a,a + n,x) - a;
      |         ^~~~~~~~~~~
      |         std::lower_bound
In file included from /usr/include/c++/9/algorithm:62,
                 from jp_data/tasks/94a1ddc6d34c11ea899e00163e04388b/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,
      |     ^~~~~~~~~~~