SPOJ - TAP2013H D - Horace and his primes 素数筛+素数分解+打表
[The original version of this problem (in Spanish) can be found at https://www.dc.uba.ar/events/icpc/download/problems/tap2013-problems.pdf] Horace ...
Codeforces 689B Mike and Shortcuts DFS or BFS
B. Mike and Shortcuts time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard ...
689 A. Mike and Cellphone 条件判断题
A. Mike and Cellphone time limit per test 1 second memory limit per test 256 megabytes input standard input output standard o...
SPOJ - COLONY B - Linearian Colony 二分
Description Linearians are pecurliar creatures. They are odd in several ways: Every Linearian is either red or blue.A Linearian colony is a strai...
SPOJ - MKEQUAL E - Make them equal ! 水题
You have an array containing N elements. At any move, you choose two indices i and j ( 0 i, j N and i != j ) and increment value at one index and d...
CodeForces 460BLittle Dima and Equation 方程项转换，降低方程项遍历范围
B. Little Dima and Equation time limit per test 1 second memory limit per test 256 megabytes input standard input output stan...
CodeForces 478C Table Decorations 思维题
You have r red, g green and b blue balloons. To decorate a single table for the banquet you need exactly three balloons. Three balloons attached to...
CodeForces387B B - George and Round 贪心+暴力
George decided to prepare a Codesecrof round, so he has prepared m problems for the round. Let's number the problems with integers 1 through m. ...
CodeForces387C C - George and Number 贪心+递归
George is a cat, so he really likes to play. Most of all he likes to play with his array of positive integers b. During the game, George modifies the...
CodeForces745B B - Hongcow Solves A Puzzle 暴力+判断
Hongcow likes solving puzzles. One day, Hongcow finds two identical puzzle pieces, with the instructions "make a rectangle" next to them. T...