提交记录 6103 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
applese	1003. 测测你的二分查找	Compile Error	0	0 ns	0 KB	C++	259 B

提交时间	评测时间
2018-09-26 14:27:05	2020-08-01 00:39:01

代码

inline int binary_search(const unsigned *a,const int &n,const unsigned &x) {
	static register int l=0,r=n-1,mid;
	while(1) {
		static register int p=a[mid=l+r>>1];
		if(p==x)
			return mid;
		else if(p>x)
			l=mid-1;
		else
			r=mid+1;
	}
	return 998244353;
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/55315914d34c11ea899e00163e04388b/contestant.cpp: In function ‘int binary_search(const unsigned int*, const int&, const unsigned int&)’:
jp_data/tasks/55315914d34c11ea899e00163e04388b/contestant.cpp:2:22: error: conflicting specifiers in declaration of ‘l’
    2 |  static register int l=0,r=n-1,mid;
      |                      ^
jp_data/tasks/55315914d34c11ea899e00163e04388b/contestant.cpp:2:26: error: conflicting specifiers in declaration of ‘r’
    2 |  static register int l=0,r=n-1,mid;
      |                          ^
jp_data/tasks/55315914d34c11ea899e00163e04388b/contestant.cpp:2:32: error: conflicting specifiers in declaration of ‘mid’
    2 |  static register int l=0,r=n-1,mid;
      |                                ^~~
jp_data/tasks/55315914d34c11ea899e00163e04388b/contestant.cpp:4:23: error: conflicting specifiers in declaration of ‘p’
    4 |   static register int p=a[mid=l+r>>1];
      |                       ^
jp_data/tasks/55315914d34c11ea899e00163e04388b/contestant.cpp:4:27: error: ‘mid’ was not declared in this scope
    4 |   static register int p=a[mid=l+r>>1];
      |                           ^~~
jp_data/tasks/55315914d34c11ea899e00163e04388b/contestant.cpp:4:31: error: ‘l’ was not declared in this scope
    4 |   static register int p=a[mid=l+r>>1];
      |                               ^
jp_data/tasks/55315914d34c11ea899e00163e04388b/contestant.cpp:4:33: error: ‘r’ was not declared in this scope
    4 |   static register int p=a[mid=l+r>>1];
      |                                 ^
jp_data/tasks/55315914d34c11ea899e00163e04388b/contestant.cpp:5:6: error: ‘p’ was not declared in this scope
    5 |   if(p==x)
      |      ^