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C. Convert to Ones Codeforces Round #493 (Div. 2)

C. Convert to Onestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou've got a string a1,a2,…,ana1,a2,…,an, consisting of zeros and ones.Let's call...

2018-07-02 13:03:58

B. Cutting Codeforces Round #493 (Div. 2)

B. Cuttingtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are a lot of things which could be cut — trees, paper, "the rope". In this problem...

2018-07-02 12:53:46

A. Balloons Codeforces Round #493 (Div. 2)

A. Balloonstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are quite a lot of ways to have fun with inflatable balloons. For example, you can...

2018-07-02 12:46:20

A. Nastya and an Array

A. Nastya and an Arraytime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputNastya owns too many arrays now, so she wants to delete the least important o...

2018-06-21 08:42:38

C. Two Squares

C. Two Squarestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given two squares, one with sides parallel to the coordinate axes, and anothe...

2018-06-17 15:55:26

B. Knights of a Polygonal Table

B. Knights of a Polygonal Tabletime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputUnlike Knights of a Round Table, Knights of a Polygonal Table depriv...

2018-06-17 15:45:20

Codeforces Round #488 by NEAR (Div. 2) A. Fingerprints

A. Fingerprintstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are locked in a room with a door that has a keypad with 10 keys corresponding to...

2018-06-17 15:39:58

Codeforces Round #487 (Div. 2) C. A Mist of Florescence

C. A Mist of Florescencetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAs the boat drifts down the river, a wood full of blossoms shows up on the ...

2018-06-12 18:01:27

Educational Codeforces Round 45 (Rated for Div. 2) C. Bracket Sequences Concatenation Problem

C. Bracket Sequences Concatenation Problemtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA bracket sequence is a string containing only character...

2018-06-12 17:01:45

Codeforces Round #487 (Div. 2) B. A Tide of Riverscape

B. A Tide of Riverscapetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputWalking along a riverside, Mino silently takes a note of something."Time," M...

2018-06-12 13:07:44

Codeforces Round #487 (Div. 2) A. A Blend of Springtime

A. A Blend of Springtimetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputWhen the curtains are opened, a canvas unfolds outside. Kanno marvels at al...

2018-06-12 12:59:50

Codeforces Round #486 (Div. 3) D. Points and Powers of Two

D. Points and Powers of Twotime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are nn distinct points on a coordinate line, the coordinate of ii...

2018-06-09 16:12:31

Codeforces Round #486 (Div. 3) C. Equal Sums

C. Equal Sumstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given kk sequences of integers. The length of the ii-th sequence equals to ni...

2018-06-09 16:04:39

Codeforces Round #486 (Div. 3) B. Substrings Sort

B. Substrings Sorttime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given nn strings. Each string consists of lowercase English letters. Rear...

2018-06-09 15:59:37

Codeforces Round #486 (Div. 3) A. Diverse Team

A. Diverse Teamtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are nn students in a school class, the rating of the ii-th student on Codehors...

2018-06-09 15:55:40

Codeforces Beta Round #92 (Div. 2 Only) A. The number of positions

A. The number of positionstime limit per test0.5 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputPetr stands in line of n people, but he doesn't know exactly which posi...

2018-05-29 15:52:32

Intel Code Challenge Elimination Round (Div. 1 + Div. 2, combined) A. Broken Clock

A. Broken Clocktime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a broken clock. You know, that it is supposed to show time in 12- or 2...

2018-05-29 15:49:22

ZOJ Problem Set - 3483 Gaussian Prime

Gaussian PrimeTime Limit: 3 Seconds      Memory Limit: 65536 KBIn number theory, a Gaussian integer is a complex number whose real and imaginary part are both integers. The Gaussian integers, with ord...

2018-05-29 15:42:21

ZOJ Problem Set - 3418 Binary Number

Binary NumberTime Limit: 2 Seconds      Memory Limit: 65536 KBFor 2 non-negative integers x and y, f(x, y) is defined as the number of different bits in the binary format of x and y. For example, f(2,...

2018-05-29 15:35:13

Educational Codeforces Round 44 (Rated for Div. 2) C. Liebig's Barrels

C. Liebig's Barrelstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou have m = n·k wooden staves. The i-th stave has length ai. You have to assem...

2018-05-23 13:42:46

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