USACO - 随笔分类 - Sunny糖果

1.5.3 Superprime Rib(dfs)

摘要：Butchering Farmer John's cows always yields the best prime rib. You can tell prime ribs by looking at the digits lovingly stamped across them, one by 阅读全文

posted @ 2016-01-26 15:45 Sunny糖果阅读(239) 评论(0) 推荐(0)

1.5.2 Prime Palindromes

摘要：The number 151 is a prime palindrome because it is both a prime number and a palindrome (it is the same number when read forward as backward). Write a... 阅读全文

posted @ 2016-01-26 15:11 Sunny糖果阅读(152) 评论(0) 推荐(0)

1.5.1 Number Triangles(dp)

摘要：Consider the number triangle shown below. Write a program that calculates the highest sum of numbers that can be passed on a route that starts at the 阅读全文

posted @ 2016-01-26 14:35 Sunny糖果阅读(181) 评论(0) 推荐(0)

1.4.2 Mother's Milk(dfs)

摘要：Farmer John has three milking buckets of capacity A, B, and C liters. Each of the numbers A, B, and C is an integer from 1 through 20, inclusive. Init 阅读全文

posted @ 2016-01-26 14:21 Sunny糖果阅读(181) 评论(0) 推荐(0)

1.4.1 Arithmetic Progressions

摘要：An arithmetic progression is a sequence of the form a, a+b, a+2b, ..., a+nb where n=0,1,2,3,... . For this problem, a is a non-negative integer and b ... 阅读全文

posted @ 2016-01-26 13:55 Sunny糖果阅读(241) 评论(0) 推荐(0)

1.3.6 Ski Course Design

摘要：Farmer John has N hills on his farm (1 2 #include 3 #include 4 #include 5 using namespace std; 6 int a[1010]; 7 int main() 8 { 9 int n;10 ... 阅读全文

posted @ 2016-01-26 12:28 Sunny糖果阅读(249) 评论(0) 推荐(0)

1.3.5 Wormholes

摘要：Farmer John's hobby of conducting high-energy physics experiments on weekends has backfired, causing N wormholes (2 B . Bessie will travel to B the... 阅读全文

posted @ 2016-01-26 12:28 Sunny糖果阅读(233) 评论(0) 推荐(0)

1.3.3 Prime Cryptarithm

摘要：The following cryptarithm is a multiplication problem that can be solved by substituting digits from a specified set of N digits into the positions ma... 阅读全文

posted @ 2016-01-25 02:19 Sunny糖果阅读(239) 评论(0) 推荐(0)

1.3.4 Combination Lock

摘要：Farmer John's cows keep escaping from his farm and causing mischief. To try and prevent them from leaving, he purchases a fancy combination lock to ke... 阅读全文

posted @ 2016-01-25 02:19 Sunny糖果阅读(256) 评论(0) 推荐(0)

1.3.2 Barn Repair

摘要：It was a dark and stormy night that ripped the roof and gates off the stalls that hold Farmer John's cows. Happily, many of the cows were on vacation,... 阅读全文

posted @ 2016-01-25 02:17 Sunny糖果阅读(205) 评论(0) 推荐(0)

1.3.1 Mixing Milk

摘要：The Merry Milk Makers company buys milk from farmers, packages it into attractive 1- and 2-Unit bottles, and then sells that milk to grocery stores so... 阅读全文

posted @ 2016-01-25 02:16 Sunny糖果阅读(318) 评论(0) 推荐(0)

1.2.5 Dual Palindromes

摘要：A number that reads the same from right to left as when read from left to right is called a palindrome. The number 12321 is a palindrome; the number 7... 阅读全文

posted @ 2016-01-25 02:15 Sunny糖果阅读(182) 评论(0) 推荐(0)

1.2.4 Palindromic Squares

摘要：Palindromes are numbers that read the same forwards as backwards. The number 12321 is a typical palindrome.Given a number base B (2 2 #include 3 #in... 阅读全文

posted @ 2016-01-25 02:14 Sunny糖果阅读(186) 评论(0) 推荐(0)

1.2.3 Name That Number

摘要：Among the large Wisconsin cattle ranchers, it is customary to brand cows with serial numbers to please the Accounting Department. The cow hands don't ... 阅读全文

posted @ 2016-01-24 23:05 Sunny糖果阅读(176) 评论(0) 推荐(0)

1.2.2 Transformations

摘要：A square pattern of size N x N (1 2 #include 3 #include 4 #include 5 using namespace std; 6 int main() 7 { 8 freopen("transform.in","r",stdin)... 阅读全文

posted @ 2016-01-24 21:38 Sunny糖果阅读(125) 评论(0) 推荐(0)

1.2.1 Milking Cows

摘要：Three farmers rise at 5 am each morning and head for the barn to milk three cows. The first farmer begins milking his cow at time 300 (measured in sec... 阅读全文

posted @ 2016-01-23 17:50 Sunny糖果阅读(172) 评论(0) 推荐(0)

1.1.4 Broken Necklace

摘要：You have a necklace of N red, white, or blue beads (3 2 #include 3 #include 4 #include 5 #define maxn 1111 6 using namespace std; 7 int c; 8 char s... 阅读全文

posted @ 2016-01-23 17:23 Sunny糖果阅读(226) 评论(0) 推荐(0)

1.1.3 Friday the Thirteenth

摘要：Is Friday the 13th really an unusual event?That is, does the 13th of the month land on a Friday less often than on any other day of the week? To answe... 阅读全文

posted @ 2016-01-23 15:15 Sunny糖果阅读(188) 评论(0) 推荐(0)

1.1.2 Greedy Gift Givers

摘要：A group of NP (2 ≤ NP ≤ 10) uniquely named friends has decided to exchange gifts of money. Each of these friends might or might not give some money to... 阅读全文

posted @ 2016-01-23 15:11 Sunny糖果阅读(273) 评论(0) 推荐(0)

1.1.1 Your Ride Is Here

摘要：Your Ride Is HereIt is a well-known fact that behind every good comet is a UFO. These UFOs often come to collect loyal supporters from here on Earth. ... 阅读全文

posted @ 2016-01-23 15:09 Sunny糖果阅读(222) 评论(0) 推荐(0)

随笔分类 - USACO