Problem A: Trainsorting
Erin is an engineer. She drives trains. She also arranges the cars
within each tra...
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發表時間：2012-02-29 08:08:31 | 回應：0
Problem H
Maximum sum on a torus
Input: Standard Input
Output: Standard Output
A
grid that wraps ...
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發表時間：2012-02-28 21:33:32 | 回應：1
D. Wedding
Shopping
Background
One of our best friends is getting married and we all ar...
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發表時間：2012-02-27 14:38:36 | 回應：0
Squares
For any positive integer N
,
N = a12 + a22 +...+ an2
that is,
any positive integer can...
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發表時間：2012-02-27 14:03:06 | 回應：0
Problem H
Divisible Group Sums
Input: Standard Input
Output: Standard Output
Time Limit: 1 Second...
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發表時間：2012-02-27 13:50:46 | 回應：0
Luggage
Peter and his friends are on holiday, so
they have decided to make a tr...
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發表時間：2012-02-27 09:20:37 | 回應：0
SuperSale
There is a SuperSale in a SuperHiperMarket.
Every person can take only one object of each kind, ...
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發表時間：2012-02-27 09:05:12 | 回應：0
Problem E
Take the Land
Input : standard input
Output : standard output
The poor man went to t...
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發表時間：2012-02-26 11:33:18 | 回應：0
Largest Submatrix
Let A be an
N×N matrix of zeros and ones. A submatrix
S of A is any group of co...
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發表時間：2012-02-26 11:19:24 | 回應：0
Maximum Sub-sequence Product
Bob needs money, and since he knows you are here, he decided to gamble
in...
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發表時間：2012-02-26 09:34:38 | 回應：0
Tree Summing
Background
LISP was one of the earliest high-level programming languages and, with
FORTRAN...
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發表時間：2012-02-26 08:47:22 | 回應：0
In the 25th century, civilization is struck by a series of calamities
that eventually led mankind to build...
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發表時間：2012-02-25 21:35:15 | 回應：0
Problem I
I Can Guess the Data Structure!
There is a bag-like data structure, supporting two operation...
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發表時間：2012-02-23 15:45:09 | 回應：0
Abnormal 89's
A palindrome is a word that can be read the same way in either direction. More formally...
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發表時間：2012-02-22 09:26:53 | 回應：0
Problem E
Extend to Palindromes
Time Limit : 3 seconds
...
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發表時間：2012-02-22 08:33:08 | 回應：0
