Codeforces Round #247(Div. 2) D. Random Task 二分+前缀和 - 代码天地

Codeforces Round #247(Div. 2) D. Random Task 二分+前缀和

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Codeforces Round #247(Div. 2) D. Random Task 二分+前缀和

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Codeforces Round #703 (Div. 2) D. Max Median(二分+前缀和)

(二分查找+前缀和)Codeforces Round #645 (Div. 2) D - The Best Vacation

Codeforces Round #473 (Div. 2) D. Mahmoud and Ehab and another array construction task（构造）

Educational Codeforces Round 88 (Rated for Div. 2) D. Yet Another Yet Another Task

Codeforces Round #247 (Div. 2)

Codeforces Round #503 (by SIS, Div. 2) D. The hat -交互题，二分

Codeforces Round #499 (Div. 2) D. Rocket_交互题_二分

Codeforces Round #534 (Div. 2) D. Game with modulo(取余性质+二分)

Educational Codeforces Round 61 (Rated for Div. 2) D. Stressful Training(贪心+二分)

Educational Codeforces Round 77 (Rated for Div. 2) - D. A Game with Traps(二分)

Educational Codeforces Round 75 (Rated for Div. 2) D. Salary Changing（二分+思维）

Codeforces Round #635 (Div. 2) D. Xenia and Colorful Gems 二分

Codeforces Round #651 (Div. 2) D. Odd-Even Subsequence（二分）

Codeforces Round #646 (Div. 2)D. Guess The Maximums(交互题+二分)

Educational Codeforces Round 87 (Rated for Div. 2)D. Multiset(树状数组+二分)

Codeforces Round #635 (Div. 2)D. Xenia and Colorful Gems（二分）

Codeforces Round #746 (Div. 2)D. Hemose in ICPC ? （交互二分+dfs序）

Educational Codeforces Round 77 (Rated for Div. 2) D. A Game with Traps 贪心 +二分

Codeforces Round #578 (Div. 2) D. White Lines（二维差分+前缀和）

Codeforces Round #586 (Div. 1 + Div. 2) D. Alex and Julian（二分图判断+数学）

D. Frets On Fire 【二分，前缀和】（Codeforces Global Round 2）

Codeforces Round #166 (Div. 2) D. Good Substrings (前缀和)

Codeforces Round #509 (Div. 2) D. Glider(前缀和)

Codeforces Round #703 (Div. 2)D. Max Median(前缀和)

Codeforces Codeforces Round #484 (Div. 2) D. Shark

Educational Codeforces Round 88 (Rated for Div. 2)D. Yet Another Yet Another Task(ST表+单调栈)

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