原创 【CodeForces 219B】Special Offer! Super Price 999 Bourles

 B. Special Offer! Super Price 999 Bourles! time limit per test 1 second memory limit per test 256 megabytes

原创 【CodeForces 792A】New Bus Route

 A. New Bus Route time limit per test 1 second memory limit per test 256 megabytes input standard input outpu

原创 【CodeForces 803B】Distances to Zero(模擬)

 B. Distances to Zero time limit per test 2 seconds memory limit per test 256 megabytes input standard input

原创 【CodeForces 476B】 Dreamoon and WiFi(組合概率)

 B. Dreamoon and WiFi time limit per test 1 second memory limit per test 256 megabytes input standard input output

原创 【CodeFores 798B】 Mike and strings(模擬+string)

 B. Mike and strings time limit per test 2 seconds memory limit per test 256 megabytes input standard input o

原创 【CodeForces 797C】Minimal string(貪心+字符串)

C. Minimal string time limit per test 1 second memory limit per test 256 megabytes input standard input output

原创 【CodeForces 632B】 Alice, Bob, Two Teams(暴力)

 B. Alice, Bob, Two Teams time limit per test 1.5 seconds memory limit per test 256 megabytes input standard in

原创 【CodeForces 159C】String Manipulation 1.0(字符串處理)

 C. String Manipulation 1.0 time limit per test 3 seconds memory limit per test 256 megabytes input standard in

原创 【CodeForces 796B】Find The Bone

 B. Find The Bone time limit per test 2 seconds memory limit per test 256 megabytes input standard input outp

原创 【CodeForces 380A】Sereja and Prefixes(二分)

A. Sereja and Prefixes time limit per test 1 second memory limit per test 256 megabytes input standard inp

原创 【CodeForces 765D】 Artsem and Saunders(數學,構造)

 D. Artsem and Saunders time limit per test 2 seconds memory limit per test 512 megabytes input standard inpu

原创 【CodeForces 797A】k-Factorization(分解質因數)

A. k-Factorization time limit per test 2 seconds memory limit per test 256 megabytes input standard input outpu

原创 【CodeForces 455A】Boredom(dp)

 A. Boredom time limit per test 1 second memory limit per test 256 megabytes input standard input output standard ou

原创 【CodeForces 797B】Odd sum(模擬)

 B. Odd sum time limit per test 1 second memory limit per test 256 megabytes input standard input output stan

原创 【CodeForces 803A】Maximal Binary Matrix(模擬)

A. Maximal Binary Matrix time limit per test 1 second memory limit per test 256 megabytes input standard input