提交记录 18036 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
Avada	1003. 测测你的二分查找	Compile Error	0	0 ns	0 KB	C++	167 B

提交时间	评测时间
2022-09-09 10:23:33	2022-09-09 10:23:35

代码

int binary_search(const unsigned *a,int n,unsigned x){
	int l=0,m;
	--n;
	if(a[n]==x)return n;
	while(l+1!=r){
		m=(l+r)>>1;
		if(a[m]>x)r=m;
		else l=m;
	}return l;
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/675775a82fe611ed888e9bd572d88b73/contestant.cpp: In function ‘int binary_search(const unsigned int*, int, unsigned int)’:
jp_data/tasks/675775a82fe611ed888e9bd572d88b73/contestant.cpp:5:13: error: ‘r’ was not declared in this scope
    5 |  while(l+1!=r){
      |             ^

Judge Duck Online | 评测鸭在线
Server Time: 2026-03-16 14:25:38 | Loaded in 1 ms | Server Status
个人娱乐项目，仅供学习交流使用 | 捐赠