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HDU 5879 Cure【数论】
CureTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 416 Accepted Submission(s): 141Problem DescriptionGiven an integer n, w原创 2016-09-17 20:30:42 · 455 阅读 · 0 评论 -
HDU 2504 又见GCD【GCD】
又见GCDTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 16051 Accepted Submission(s): 6802Problem Description有三个正整数a,b,c(0原创 2016-08-14 22:13:25 · 372 阅读 · 0 评论 -
HDU 1019 Least Common Multiple【GCD】
Least Common MultipleTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 46314 Accepted Submission(s): 17431Problem DescriptionTh原创 2016-08-14 21:54:06 · 274 阅读 · 0 评论 -
HDU 5901 Count primes【数论】
Count primesTime Limit: 12000/6000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 903 Accepted Submission(s): 481Problem DescriptionEasy question!转载 2016-09-20 21:16:04 · 740 阅读 · 0 评论 -
HDU 5914 Triangle【斐波那契数列】
TriangleTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 178 Accepted Submission(s): 127Problem DescriptionMr. Frog has n stic原创 2016-10-05 15:16:13 · 493 阅读 · 0 评论 -
ZOJ 3609 Modular Inverse【exgcd】
Modular InverseTime Limit: 2 Seconds Memory Limit: 65536 KBThe modular modular multiplicative inverse of an integer a modulo m is an integer x such that a-1≡x (mod m). This is equival原创 2017-02-08 18:53:00 · 315 阅读 · 0 评论 -
HDU 1410 PK武林盟主【组合数+log优化】
PK武林盟主Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1438 Accepted Submission(s): 375Problem Description枫之羽认为自己很强，想当武林盟主，于是找原创 2017-01-31 16:12:07 · 525 阅读 · 0 评论 -
HDU 6069 Counting Divisors 【数论】
Counting DivisorsTime Limit: 10000/5000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 2927 Accepted Submission(s): 1074Problem DescriptionIn ma原创 2017-08-07 14:53:00 · 311 阅读 · 0 评论