提交记录 16960 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
user1	1003. 测测你的二分查找	Compile Error	0	0 ns	0 KB	C++	314 B

提交时间	评测时间
2021-11-12 18:05:58	2021-11-12 18:05:59

代码

#include <algorithm>

int binary_search(const unsigned *a, int n, unsigned x)
{
int ne = x*0.023283064365386963;
unsigned *b = std::lower_bound(a+std::max(0,ne-4000), a + std::min(100000000,ne+4000), x);
if(b) return b-a;
	return std::lower_bound(a+std::max(0,ne-40000), a + std::min(100000000,ne+40000), x) - a;
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/21b931f443a011ec8d96fdb470a28eb4/contestant.cpp: In function ‘int binary_search(const unsigned int*, int, unsigned int)’:
jp_data/tasks/21b931f443a011ec8d96fdb470a28eb4/contestant.cpp:6:31: error: invalid conversion from ‘const unsigned int*’ to ‘unsigned int*’ [-fpermissive]
    6 | unsigned *b = std::lower_bound(a+std::max(0,ne-4000), a + std::min(100000000,ne+4000), x);
      |               ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                               |
      |                               const unsigned int*