原创 Coins and Queries CodeForces - 1003D （貪心）
D. Coins and Queriestime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard ou
2020-02-24 18:37:13
原创 Cutting CodeForces - 998B （思維）
B. Cuttingtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere a
2020-02-24 18:37:13
5
原创 Sonya and Exhibition CodeForces - 1004B(水題)
B. Sonya and Exhibitiontime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard o
2020-02-24 18:37:13
原创 Intense Heat CodeForces - 1003C （前綴和）
C. Intense Heattime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputTh
2020-02-24 18:37:13
原创 Codeforces 876 B Divisiblity of Differences （數學）
題目地址 You are given a multiset of n integers. You should select exactly k of them in a such way that the difference bet
2020-02-24 18:37:13
原创 codeforces C—Short Program（數學）
Petya learned a new programming language CALPAS. A program in this language always takes one non-negative integer and r
2020-02-24 18:37:13
原创 A. Codehorses T-shirts（水題）
A. Codehorses T-shirtstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard o
2020-02-24 18:37:13
原创 Codeforces Educational Codeforces Round 31 - B - Japanese Crosswords Strike Back（水）
A one-dimensional Japanese crossword can be represented as a binary string of length x. An encoding of this crossword i
2020-02-24 18:37:13
原创 Delete from the Left CodeForces - 1005B （水題）
B. Delete from the Lefttime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard o
2020-02-24 18:37:13
原创 codeforces 868B Race Against Time（思維）
Have you ever tried to explain to the coordinator, why it is eight hours to the contest and not a single problem has be
2020-02-24 18:37:13
原创 Codeforces Round #445 C. Petya and Catacombs（思維）
A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his explora
2020-02-24 18:37:13
原创 codeforces 1017 problem D. The Wu
D. The Wu time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output
2018-09-02 01:24:26
原创 codeforces 1017 problem A. The Rank（水）
A. The Rank time limit per test 1 second memory limit per test 256 megabytes input standard input output standard outpu
2018-09-02 01:24:26
原创 D. Relatively Prime Graph codeforces 1009 D
D. Relatively Prime Graph time limit per test 2 seconds memory limit
2018-09-02 01:24:26
原创 Efim and Strange Grade （思維）
Efim just received his grade for the last test. He studies in a special school and his grade can be equal to any positi
2018-09-02 01:24:26