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Educational Codeforces Round 39 (Rated for Div. 2)
A. Partitiontime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a sequence a consisting of n integers. You may partition this sequence in...原创 2018-04-15 19:38:24 · 295 阅读 · 0 评论 -
Educational Codeforces Round 42 (Rated for Div. 2)
A. Equatortime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputPolycarp has created his own training plan to prepare for the programming contests. He w...原创 2018-04-11 19:57:17 · 292 阅读 · 0 评论 -
Codeforces Round #238 (Div. 2)
A. Gravity Fliptime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle Chris is bored during his physics lessons (too easy), so he has built...原创 2018-04-08 13:25:06 · 498 阅读 · 0 评论 -
Codeforces Round #241 (Div. 2)
A. Guess a number!time limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputA TV show called "Guess a number!" is gathering popularity. The whole Ber...原创 2018-04-07 10:24:51 · 187 阅读 · 0 评论 -
Codeforces Round #240 (Div. 2)
A. Mashmokh and Lightstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputMashmokh works in a factory. At the end of each day he must turn off ...原创 2018-04-06 11:13:25 · 189 阅读 · 0 评论 -
Codeforces Round #239 (Div. 2)
A. Line to Cashiertime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle Vasya went to the supermarket to get some groceries. He walked about the s...原创 2018-04-03 19:23:57 · 152 阅读 · 0 评论 -
#codeforces #244 (div2)A. Ksenia and Pan Scales【模拟】
Ksenia has ordinary pan scales and several weights of an equal mass. Ksenia has already put some weights on the scales, while other weights are untouched. Ksenia is now wondering whether it is possibl原创 2018-02-04 13:56:28 · 315 阅读 · 0 评论 -
codeforces #233 (Div2) C. Sereja and Prefixes【二分+递归】
C. Sereja and Prefixestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputSereja loves number sequences very much. That's原创 2018-02-02 18:50:56 · 226 阅读 · 0 评论 -
codeforces #233 (Div2) A. Sereja and Dima【模拟】+B. Sereja and Stairs【暴力】
A. Sereja and Dimatime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputSereja and Dima play a game. The rules of the game原创 2018-02-02 18:08:49 · 1005 阅读 · 0 评论 -
【Educational Codeforces Round 33 B】Beautiful Divisors
B. Beautiful Divisorstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputRecently Luba learned about a special kind of n原创 2017-11-24 12:41:07 · 363 阅读 · 0 评论 -
【 Educational Codeforces Round 33 A】Chess For Three
A. Chess For Threetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAlex, Bob and Carl will soon participate in a team原创 2017-11-24 10:31:16 · 255 阅读 · 0 评论