Codeforces Beta Round #1 A. Theatre Square

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Codeforces Beta Round #44 (Div. 2) A. Triangular numbers

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Tinkoff Internship Warmup Round 2018 and Codeforces Round #475 (Div. 2) A. Splits

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Codeforces Round #274 (Div. 2) A. Expression

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Codeforces Round #482 (Div. 2) A. Pizza, Pizza, Pizza!!!

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Codeforces Beta Round #4 (Div. 2 Only) A. Watermelon

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Codeforces Round #272 (Div. 2) A. Dreamoon and Stairs

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Codeforces Round #340 (Div. 2) A. Elephant

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Codeforces Round #387 (Div. 2) A. Display Size

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Codeforces Round #277 (Div. 2) A. Calculating Function

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