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搜索关键字:hdoj    ( 2498个结果
【HDOJ】1158 Employment Planning
简单DP。 1 #include 2 #include 3 #include 4 #include 5 #define MAXN 105 6 7 int dp[15][MAXN]; 8 int a[15]; 9 10 int getMin(int a, int b) {11 ret...
分类:其他好文   时间:2014-10-28 13:44:26    阅读次数:143
HDOJ 4010 Query on The Trees LCT
LCT: 切割、合并子树,路径上所有点的点权增加一个值,查询路径上点权的最大值 Query on The Trees Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65768/65768 K (Java/Others) Total Submission(s): 2582    Accepted Submissi...
分类:其他好文   时间:2014-10-26 23:01:39    阅读次数:368
HDOJ 4705 Y 树形DP
DP:求出3点构成链的方案数 ,然后总方案数减去它 Y Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 1738    Accepted Submission(s): 493 Problem Descr...
分类:其他好文   时间:2014-10-24 23:41:32    阅读次数:456
HDOJ 4696 Answers 乱搞
乱搞: rt,有1就能输出所有的数,否则只能输出偶数 Answers Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 489    Accepted Submission(s): 294 Problem ...
分类:其他好文   时间:2014-10-24 20:52:40    阅读次数:204
HDOJ 4704 Sum 规律 欧拉定理
规律 欧拉定理: 找规律 2^n-1 ,n 很大用欧拉定理 Sum Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 1465    Accepted Submission(s): 622 Proble...
分类:其他好文   时间:2014-10-24 20:50:09    阅读次数:194
HDOJ 4699 Editor 栈 模拟
用两个栈模拟: Editor Time Limit: 3000/2000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 1913    Accepted Submission(s): 591 Problem Description ...
分类:其他好文   时间:2014-10-24 16:29:33    阅读次数:139
【HDOJ】3500 Fling
题意巨难懂。简言之,就是球互相碰撞时,主动碰撞的球将会停止,另一个球将沿着碰撞方向继续移动,不断碰撞。但是无法弹射紧挨着的球,但是若a弹射b,bc相邻,这种情况b可以弹射c。 1 #include 2 #include 3 #include 4 #include 5 using n...
分类:其他好文   时间:2014-10-24 12:59:22    阅读次数:281
Tick and Tick------HDOJ杭电(解释不了,直接看代码)
Problem Description The three hands of the clock are rotating every second and meeting each other many times everyday. Finally, they get bored of this and each of them would like to stay away from th...
分类:其他好文   时间:2014-10-24 09:17:51    阅读次数:334
HDoj-1058-Humble Numbers
Humble Numbers Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 17723    Accepted Submission(s): 7706 Problem Description A number whose...
分类:其他好文   时间:2014-10-23 22:48:59    阅读次数:566
HDOJ 5073 Galaxy 数学 贪心
贪心: 保存连续的n-k个数,求最小的一段方差。。。。预处理O1算期望。。。 Galaxy Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others) Total Submission(s): 752    Accepted Submission(s): 176 ...
分类:其他好文   时间:2014-10-23 16:27:50    阅读次数:261
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