FilesExpand file tree

 main

/

Main.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

29 lines (28 loc) · 699 Bytes

 main

/

Main.java

Copy path

Top

File metadata and controls

• Code
• Blame

29 lines (28 loc) · 699 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

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

import java.util.Scanner;

public class Main {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

String P = sc.next().toLowerCase();

String T = sc.next().toLowerCase();

int m = P.length();

int n = T.length();

int B[] = new int[26];

// preprocessing

int mask = 1;

for (int i = 0; i < m; i++) {

int p = P.charAt(i) - 'a';

B[p] = (B[p] | mask);

mask = mask << 1;

}

// Searching

int D = 0;

int counter = 0;

for (int i = 0; i < n; i++) {

D = (D << 1 | 1) & B[T.charAt(i) - 'a'];

if ((D & 1 << (m - 1)) != 0)

counter++;

}

System.out.println(counter);

sc.close();

}

}