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2015
08-09
UVa 11426 GCD - Extreme (II) (欧拉函数应用·O(N*logN))
08-07
LightOJ 1236 - Pairs Forming LCM (LCM·唯一分解)
07-12
LightOJ 1215 Finding LCM(数论)
04-15
Codeforces 535C Tavas and Karafs(二分)
04-13
hiho一下·41 骨牌覆盖问题·一(矩阵快速幂·费波拉契)
04-07
HDU 3714 Error Curves(3分)
03-23
POJ 1434 Fill the Cisterns!(二分)
03-11
URAL 1762 Search for a Hiding-Place(数学·模拟)
03-09
POJ 3258 River Hopscotch(二分·最小距离最大)
01-22
UVa 1595 Symmetry(暴力)
01-17
UVa 1587 Box
2014
12-01
HDU 2095 find your present(异或)
11-18
ZOJ 3622 Magic Number(数)
11-10
HDU 1286 找新朋友(欧拉函数)
09-28
HDU 5050 Divided Land(进制转换)
09-02
POJ 1840 Eqs(hash)
09-02
POJ 3370 Halloween treats(抽屉原理)
09-02
POJ 3993 Not So Flat After All(质因数)
09-02
POJ 3292 Semi-prime H-numbers(数)
09-02
POJ 1365 Prime Land
08-30
UVa 1583 Digit Generator(数学)
08-30
Codeforces 17A Noldbach problem(数学)
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