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Problem F Free Weights

H - Hamiltonian Hypercube Gym - 101170H

Problem C Careful Ascent

A. Number Theory Problem

Problem D. Ice Cream Tower

Equalizing by Division

Crossing River POJ过河问题

二分答案 例题

niuke---勾股定理

归并法求逆序对

最短路变短了 (思维+反向djstrea)

C. Standard Free2play --div

D - A Game with Traps-- codeforces 1260D A

C - Long Beautiful Integer codeforces 1269C

ATcoder D - Handstand 2

ATcoder E - Flatten

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D. Minimax Problem Codeforces 1288D

Obtain The String CodeForces - 1295C

F - Make It Equal CodeForces - 1065C

G - Greg and Array CodeForces - 296C 差分+线段树