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跪求各位大牛解释WA

Posted by jki14 at 2011-08-24 15:43:32 on Problem 2774

用这段代码 WA了
if( (sa[i]-na)*(sa[i-1]-na)<0  && hig[i]>ans )ans=hig[i];

仅修改这段代码为下 就 AC了   求解释啊！！！
if( ((sa[i]<na && sa[i-1]>na) || (sa[i]>na && sa[i-1]<na))  && hig[i]>ans )ans=hig[i];

Followed by:

Re:跪求各位大牛解释WA (17) jki14 2011-08-24 15:45:08
Re:跪求各位大牛解释WA (201) kenan2468 2011-12-20 00:53:22
Re:跪求各位大牛解释WA (210) xieofyu 2012-09-25 11:40:46
- Re:跪求各位大牛解释WA (71) csuchenan 2013-01-18 09:45:36
Re:跪求各位大牛解释WA (13) nezlh 2013-03-27 22:33:28

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