折半算法
星海
posted @ 2010年12月05日 13:32
in C代码
, 1532 阅读
/*
* Filename: binary.c
* Description: 从一组排序好的序列里找出某个元素的位置（折半查找）
* ==========================================================================
*/
#include <stdio.h>
#define LEN 8
int a[LEN] = { 1, 2, 2, 5, 5, 6, 8, 9 };
int binary(int number)
{
int mid, start = 0, end = LEN - 1;
while (start <= end) {
mid = (start + end) / 2;
if (a[mid] < number)
start = mid + 1;
else if (a[mid] > number)
end = mid - 1;
else {
while (a[mid] == number) {
--mid;
}; //返回最早出现的匹配位值
return mid + 1;
}
}
return -1;
}
int main(void)
{
printf("%d\n", binary(2));
return 0;
}
2023年12月11日 23:46
I had the best 러시아마사지 session at home. Convenience and quality, what more could you ask for?
2023年12月12日 03:13
구글 seo, with its intricate web of strategies, offers websites the chance to not just exist online but to thrive by dominating search engine rankings.
2023年12月12日 19:40
제주오피 combines work and leisure seamlessly. It's the ultimate accommodation for a Jeju adventure.
2023年12月14日 19:05
OP Guide's user-friendly platform makes finding the ideal 출장샵 effortless, ensuring you get the pampering you need.
2023年12月14日 23:59
This can be a very amazing powerful resource that you’re offering and you just provide it away cost-free!! I really like discovering websites ones view the particular importance of supplying you with a superb learning resource for zero cost. We truly dearly loved examining this page. Appreciate it! 실시간스포츠중계
2023年12月18日 02:57
티비위키 has become my primary source for OTT entertainment.
2023年12月19日 01:35
I've shared 누누티비 with my colleagues, and they're now devoted users.
2023年12月20日 03:09
The peaceful ambiance at 구미휴게텔 is perfect for unwinding.
2023年12月25日 21:57
Explore 해외스포츠중계 for an immersive sports journey like no other.
2023年12月26日 22:03
very nice post, i definitely enjoy this fabulous website, persist with it 프리카지노
2023年12月27日 04:36
Self-published authors can use online platforms to offer exclusive content to dedicated readers. self publishing on amazon
2023年12月31日 13:50
Interesting website, i read it but i still have a few questions. shoot me an email and we will talk more becasue i may have an interesting idea for you. Divine Revelations
2024年1月08日 22:51
출장마사지 has become an essential part of my self-care routine.
2024年1月15日 22:25
The way you write, you are really a professional blogger.:”~`: ufaคืนยอดเสีย