提交记录 21812 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
Joey_c	1003. 测测你的二分查找	Compile Error	0	0 ns	0 KB	C++	226 B

提交时间	评测时间
2024-05-26 12:29:41	2024-05-26 12:29:42

代码

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

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/91d319121b1811ef8cd0c970e0538c36/contestant.cpp: In function ‘int binary_search(const unsigned int*, int, unsigned int)’:
jp_data/tasks/91d319121b1811ef8cd0c970e0538c36/contestant.cpp:8:23: error: expected ‘;’ before ‘r’
    8 |         else(a[mid]>x)r=mid-1;
      |                       ^
      |                       ;
jp_data/tasks/91d319121b1811ef8cd0c970e0538c36/contestant.cpp:10:1: warning: control reaches end of non-void function [-Wreturn-type]
   10 | }
      | ^