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ACM练习题

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全部文章 / ACM练习题（共250篇）

Codeforces1027C——Minimum Value Rectangle

You have n sticks of the given lengths. Your task is to choose exactly four of them in such a way that they can form a rectangle. No sticks can be cu...

2021-04-05

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Codeforces1027D——Mouse Hunt

Medicine faculty of Berland State University has just finished their admission campaign. As usual, about 80% of applicants are girls and majority of t...

2021-04-05

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Codeforces998B——Cutting

There are a lot of things which could be cut — trees, paper, “the rope”. In this problem you are going to cut a sequence of integers. There is a sequ...

2021-04-05

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Codeforces998C——Convert to Ones

You’ve got a string a1,a2,…,an, consisting of zeros and ones. Let’s call a sequence of consecutive elements ai,ai + 1,…, aj (1≤ i≤ j≤ n) a substring ...

2021-04-05

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Codeforces998D——Roman Digits

Let’s introduce a number system which is based on a roman digits. There are digits I, V, X, L which correspond to the numbers 1, 5, 10 and 50 respecti...

2021-04-05

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hdu1421——搬寝室

搬寝室是很累的,xhd深有体会.时间追述2006年7月9号,那天xhd迫于无奈要从27号楼搬到3号楼,因为10号要封楼了.看着寝室里的n件物品,xhd开始发呆,因为n是一个小于2000的整数,实在是太多了,于是xhd决定随便搬2*k件过去就行了.但还是会很累,因为2*k也不小是一个不大于n的整数.幸...

2021-04-05

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hdu4704——Sum

emmmmm狗屁费马小定理我们首先定义 An=S1+S2+...+Sn A n = S 1 + S 2 + . . . + S n ，所以 An+1=S1+S2+...+Sn+Sn+1 A n + 1 = S 1 + S 2 + . . . + S n + S n + 1 ，而 Sn+1...

2021-04-05

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poj3281——Dining

Cows are such finicky eaters. Each cow has a preference for certain foods and drinks, and she will consume no others. Farmer John has cooked fabulous...

2021-04-05

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hdu1533——Going Home

On a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either horizontally, or vertically, to ...

2021-04-05

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hdu1176——免费馅饼

都说天上不会掉馅饼，但有一天gameboy正走在回家的小径上，忽然天上掉下大把大把的馅饼。说来gameboy的人品实在是太好了，这馅饼别处都不掉，就掉落在他身旁的10米范围内。馅饼如果掉在了地上当然就不能吃了，所以gameboy马上卸下身上的背包去接。但由于小径两侧都不能站人，所以他只能在小径上接。...

2021-04-05

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