NYOJ517题 http://acm.nyist.net/JudgeOnline/problem.php?pid=517
2014-04-20 20:43
295 查看
题意
找到能除尽1至n的的每个数字的最小整数m.LINK:http://acm.nyist.net/JudgeOnline/problem.php?pid=517
代码:
import java.io.*;
02.
import java.lang.*;
03.
import java.math.BigInteger;
04.
import java.util.Scanner;
05.
class
Main {
06.
public
static
BigInteger f(
int
n){
07.
int
[] x =
new
int
[n+1];
08.
for
(
int
i=1;i<=n;i++){
09.
x[i]=i;
10.
}
11.
for
(
int
i=2;i<n;i++){
12.
for
(
int
j=i+1;j<=n;j++){
13.
if
(x[j]%x[i]==0){
14.
x[j]/=x[i];
15.
}
16.
}
17.
}
18.
BigInteger m=BigInteger.ONE;
19.
for
(
int
i=2;i<=n;i++){
20.
m=m.multiply(BigInteger.valueOf(x[i]));
21.
}
22.
return
m;
23.
}
24.
public
static
void
main(String[] args) {
25.
Scanner cin=
new
Scanner(System.in);
26.
while
(cin.hasNextInt()){
27.
int
n=cin.nextInt();
28.
System.out.println(f(n));
29.
30.
}
31.
}
32.
}
相关文章推荐
- http://acm.nyist.net/JudgeOnline/problem.php?pid=517
- http://acm.nyist.net/JudgeOnline/problem.php?pid=520
- hdu1159 另附:http://acm.nyist.net/JudgeOnline/problem.php?pid=36(最长公共子序列)
- 表达式求值 http://acm.nyist.net/JudgeOnline/problem.php?pid=305
- http://acm.nyist.net/JudgeOnline/problem.php?pid=148&&矩阵求fibonacci数列
- 房间安排http://acm.nyist.net/JudgeOnline/problem.php?pid=168
- http://acm.nyist.net/JudgeOnline/problem.php?pid=459
- http://acm.nyist.net/JudgeOnline/problem.php?pid=239
- 不再爱你……http://acm.nyist.net/JudgeOnline/problem.php?pid=449
- http://acm.nyist.net/JudgeOnline/problem.php?pid=118&&次小生成树
- 精 挑 细 选 http://acm.nyist.net/JudgeOnline/problem.php?pid=263
- http://acm.nyist.net/JudgeOnline/problem.php?pid=420&&p次方求和
- 取石子(一)http://acm.nyist.net/JudgeOnline/problem.php?pid=23
- 次方求模 http://acm.nyist.net/JudgeOnline/problem.php?pid=102
- 我排第几个 http://acm.nyist.net/JudgeOnline/problem.php?pid=139
- http://acm.nyist.net/JudgeOnline/problem.php?pid=401&&简单的博弈论
- http://acm.nyist.net/JudgeOnline/problem.php?pid=58
- 荷兰国旗问题 http://acm.nyist.net/JudgeOnline/problem.php?pid=268
- http://acm.nyist.net/JudgeOnline/problem.php?pid=3
- 会场安排问题 http://acm.nyist.net/JudgeOnline/problem.php?pid=14