728x90
https://www.acmicpc.net/problem/1697
// 코드
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
import java.util.*;
import java.io.*;
public class Main {
static long N, S;
static long[] arr;
static long gcd( long a, long b ) {
long r = a % b;
while ( r != 0 ) {
a = b;
b = r;
r = a % b;
}
return b;
}
// main
public static void main( String[] args ) throws Exception {
// Please Enter Your Code Here
BufferedWriter bw = new BufferedWriter( new OutputStreamWriter( System.out ) );
BufferedReader br = new BufferedReader( new InputStreamReader( System.in ) );
StringTokenizer st = new StringTokenizer( br.readLine() );
N = Integer.parseInt( st.nextToken() );
S = Integer.parseInt( st.nextToken() );
arr = new long[(int)N];
st = new StringTokenizer(br.readLine());
for ( int i = 0; i < N; ++i ) {
long givenVal = Long.parseLong(st.nextToken());
long retVal = Math.abs(S - givenVal);
arr[i] = retVal;
}
long a = arr[0];
for ( int i = 1; i < N; ++i ) a = gcd( a, arr[i] );
bw.write(String.valueOf(a));
bw.flush();
bw.close();
br.close();
}
}
|
cs |
반응형