Codeforces
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Technocup 2019 - Elimination Round 1.A. In Search of an Easy Problem
A. In Search of an Easy Problemtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputWhen preparing a tournament, Codeforces coordinato...原创 2018-09-24 13:33:15 · 561 阅读 · 0 评论 -
Codeforces Round #514 (Div. 2).A. Cashier
A. Cashiertime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputVasya has recently got a job as a cashier at a local store. His day at...原创 2018-10-06 00:43:33 · 276 阅读 · 0 评论 -
Codeforces Round #513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2).B. Maximum Sum of Digits
B. Maximum Sum of Digitstime limit per test2 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputYou are given a positive integer nn.Let S(x)S(x) be su...原创 2018-10-04 19:55:58 · 352 阅读 · 0 评论 -
Codeforces Round #513 by Barcelona Bootcamp (rated, Div. 1 + Div. 2).A. Phone Numbers
A. Phone Numberstime limit per test2 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputLet's call a string a phone number if it has length 11 and fits ...原创 2018-10-04 18:06:21 · 505 阅读 · 0 评论 -
Educational Codeforces Round 51 (Rated for Div. 2).A. Vasya And Password（模拟）
A. Vasya And Passwordtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputVasya came up with a password to register for EatForces — a ...原创 2018-09-21 12:33:52 · 524 阅读 · 0 评论 -
Codeforces Round #511 (Div. 2).B. Cover Points
B. Cover Pointstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are nn points on the plane, (x1,y1),(x2,y2),…,(xn,yn)(x1,y1)...原创 2018-09-22 11:18:50 · 466 阅读 · 0 评论 -
Codeforces Round #511 (Div. 2).A. Little C Loves 3 I（水题）
A. Little C Loves 3 Itime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle C loves number «3» very much. He loves all things abo...原创 2018-09-22 11:20:58 · 460 阅读 · 0 评论 -
Educational Codeforces Round 50 (Rated for Div. 2).A. Function Height(水题)
A. Function Heighttime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a set of 2n+12n+1 integer points on a Cartesian p...原创 2018-09-18 18:35:45 · 348 阅读 · 0 评论 -
Codeforces Round #508 (Div. 2).B. Non-Coprime Partition（思维+数学）
B. Non-Coprime Partitiontime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputFind out if it is possible to partition the first nn pos...原创 2018-09-07 11:26:39 · 342 阅读 · 1 评论 -
Codeforces Round #508 (Div. 2).A. Equality（水题）
A. Equalitytime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a string ss of length nn, which consists only of the fi...原创 2018-09-07 11:20:09 · 655 阅读 · 0 评论 -
Codeforces Round #507 (Div. 2, based on Olympiad of Metropolises).B. Shashlik Cooking（模拟）
B. Shashlik Cookingtime limit per test1 secondmemory limit per test512 megabytesinputstandard inputoutputstandard outputLong story short, shashlik is Miroslav's favorite food. Shashl...原创 2018-09-06 19:30:07 · 318 阅读 · 0 评论 -
Codeforces Round #507 (Div. 2, based on Olympiad of Metropolises).A. Palindrome Dance（思维）
A. Palindrome Dancetime limit per test1 secondmemory limit per test512 megabytesinputstandard inputoutputstandard outputA group of nn dancers rehearses a performance for the closing ...原创 2018-09-06 19:27:51 · 267 阅读 · 0 评论 -
Codeforces Round #508 (Div. 2).C. Gambling（模拟+思维）
C. Gamblingtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputTwo players A and B have a list of nn integers each. They both want t...原创 2018-09-24 16:03:01 · 283 阅读 · 0 评论 -
Codeforces Round #512 (Div. 2, based on Technocup 2019 Elimination Round 1).C. Vasya and Golden Tick
C. Vasya and Golden Tickettime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputRecently Vasya found a golden ticket — a sequence which...原创 2018-09-24 13:38:07 · 483 阅读 · 0 评论 -
Codeforces Round #512 (Div. 2, based on Technocup 2019 Elimination Round 1).B. Vasya and Cornfield
B. Vasya and Cornfieldtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputVasya owns a cornfield which can be defined with two intege...原创 2018-09-24 13:35:50 · 468 阅读 · 0 评论 -
Codeforces Round #514 (Div. 2).B. Forgery
B. Forgerytime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputStudent Andrey has been skipping physical education lessons for the wh...原创 2018-10-06 00:45:46 · 394 阅读 · 0 评论