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947 B
947 B
hiddenp
Instructions
Write a program named hiddenp that takes two strings and that, if the first string is hidden in the second one, displays 1 followed by a newline, otherwise it displays 0 followed by a newline.
Let s1 and s2 be strings. It is considered that s1 is hidden in s2 if it is possible to find each character from s1 in s2, in the same order as they appear in s1.
If s1 is an empty string it is considered hidden in any string.
If the number of parameters is not 2, the program displays a newline.
Example of output :
student@ubuntu:~/student/hiddenp$ go build
student@ubuntu:~/student/hiddenp$ ./hiddenp "fgex.;" "tyf34gdgf;'ektufjhgdgex.;.;rtjynur6" | cat -e
1$
student@ubuntu:~/student/hiddenp$ ./hiddenp "abc" "2altrb53c.sse" | cat -e
1$
student@ubuntu:~/student/hiddenp$ ./hiddenp "abc" "btarc" | cat -e
0$
student@ubuntu:~/student/hiddenp$ ./hiddenp | cat -e
$
student@ubuntu:~/student/hiddenp$