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神奇的3分法，求单峰函数极值的利器！！！公式可以画图推导如下：x1=cos(a)*x+sin(a)*y;y1=cos(a)*y-sin(a)*x; Texas TripTime Limit:1000MSMemory Limit:65536KTotal Submissions:3429Accepted:1018DescriptionAfter a day trip with his friend Dick, Harry noticed a strange pattern of tiny holes in the door of his SUV. ... 阅读全文
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C. Main Sequencetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAs you know, Vova has recently become a new shaman in the city of Ultima Thule. So... 阅读全文
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#include #include #include using namespace std;int main(){map word_count;string word;while(cin>>word){pair::iterator,bool> ret;ret=word_count.insert(make_pair(word,1));if(!ret.second){++ret.first->sec... 阅读全文
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枚举在每个湖结束钓鱼的情况，去掉移动的时间。这样在各个湖之间的移动就可以看成瞬移的了，贪心可以很容易的求出最大解。Gone FishingTime Limit : 4000/2000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other)Total Submission(s) : Accepted Submission(s) : P... 阅读全文