hdu_1041(Computer Transformation) 大数加法模板+找规律

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hdu_1041(Computer Transformation) 大数加法模板+找规律

Computer Transformation Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 8367 Accepted Submission(s): 3139 Problem Description A sequence consisting of one digit, the number 1 is initially wri…

vijos - P1447开关灯泡 (大数模板 + 找规律 + 全然数 + python)

P1447开关灯泡 Accepted 标签:CSC WorkGroup III[显示标签] 描写叙述一个房间里有n盏灯泡.一開始都是熄着的,有1到n个时刻.每一个时刻i,我们会将i的倍数的灯泡改变状态(即原本开着的现将它熄灭,原本熄灭的现将它点亮),问最后有多少盏灯泡是亮着的. 格式输入格式一个数n 输出格式 m,表示最后有m盏是亮着的例子1 例子输入1[复制] 5 例子输出1[复制] 2 限制 1s 提示范围:40%的数据保证,n<=maxlongint 100%的数据保证,n<=…

HDU 1041 Computer Transformation（找规律加大数乘）

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HDOJ-1041 Computer Transformation（找规律+大数运算）

http://acm.hdu.edu.cn/showproblem.php?pid=1041 有一个初始只有一个1的串每次都按①0 -> 10;②1 -> 01;这两条规则进行替换形如:n = 1 1 n = 2 01 n = 3 1001 ... 求经过n步替换之后串中只含复数个0的连续子串(不难发现,这种子串只能是‘00’)的出现次数因为0<n<=1000的限制在最坏情况下(n==1000)串的长度将达到2^1000位排除了直接模拟上述替换过程的可能列出前几…

Computer Transformation（规律，大数打表）

Computer Transformation Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6946 Accepted Submission(s): 2515 Problem Description A sequence consisting of one digit, the number 1 is initially wri…

UVA - 1647 Computer Transformation(计算机变换)(找规律)

题意:初始串为一个1,每一步会将每个0改成10,每个1改成01,因此1会依次变成01,1001,01101001,……输入n(n<=1000),统计n步之后得到的串中,"00"这样的连续两个0出现了多少次. 分析:找规律,输出n等于20之前所有的结果得到结论,i为奇数时,a[i] = a[i - 1] * 2 - 1; i为偶数时,a[i] = a[i - 1] * 2 + 1. import java.util.*; import java.math.BigInteger;…

HDU 1041 Computer Transformation (简单大数)

Computer Transformation http://acm.hdu.edu.cn/showproblem.php?pid=1041 Problem Description A sequence consisting of one digit, the number 1 is initially written into a computer. At each successive time step, the computer simultaneously tranforms each…