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B. Painting Eggs

链接：https://codeforces.com/contest/282/problem/B The Bitlandians are quite weird people. They have very peculiar customs. As is customary, Uncle J. w...

2020-05-28

0 461

B. Infinite Prefixes

链接：https://codeforces.com/contest/1295/problem/B You are given string ss of length nn consisting of 0-s and 1-s. You build an infinite string tt as a...

2020-05-28

0 377

C. Obtain The String

链接：https://codeforces.com/contest/1295/problem/C You are given two strings ss and tt consisting of lowercase Latin letters. Also you have a string zz...

2020-05-28

0 649

D. Same GCDs

链接：https://codeforces.com/contest/1295/problem/D You are given two integers aa and mm. Calculate the number of integers xx such that 0≤x<m0≤x<m...

2020-05-28

0 553

B. Azamon Web Services

链接：https://codeforces.com/contest/1281/problem/B Your friend Jeff Zebos has been trying to run his new online company, but it's not going very well. ...

2020-05-28

0 423

D. Almost All Divisors

链接：https://codeforces.com/problemset/problem/1165/D We guessed some integer number xx. You are given a list of almost all its divisors. Almost all me...

2020-05-28

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C. New Year Ratings Change

链接：https://codeforces.com/contest/379/problem/C One very well-known internet resource site (let's call it X) has come up with a New Year adventure. S...

2020-05-28

0 461

B. Camp Schedule

链接：https://codeforces.com/contest/1137/problem/B The new camp by widely-known over the country Spring Programming Camp is going to start soon. Hence,...

2020-05-28

0 408

C. Pythagorean Triples

链接：https://codeforces.com/problemset/problem/707/C Katya studies in a fifth grade. Recently her class studied right triangles and the Pythagorean the...

2020-05-28

0 629

E. Tetrahedron

链接：https://codeforces.com/problemset/problem/166/E You are given a tetrahedron. Let's mark its vertices with letters A, B, C and D correspondingly. ...

2020-05-28

0 502