## CCC '03 S2 - Poetry

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Points: 5
Time limit: 2.0s
Memory limit: 64M

Problem type
##### Canadian Computing Competition: 2003 Stage 1, Junior #4, Senior #2

A simple poem consists of one or more four-line verses. Each line consists of one or more words consisting of upper or lower case letters, or a combination of both upper and lower case letters. Adjacent words on a line are separated by a single space.

We define the last syllable of a word to be the sequence of letters from the last vowel (a, e, i, o or u, but not y) to the end of the word. If a word has no vowel, then the last syllable is the word itself. We say that two lines rhyme if their last syllables are the same, ignoring case.

You are to classify the form of rhyme in each verse. The form of rhyme can be perfect, even, cross, shell, or free:

• perfect rhyme: the four lines in the verse all rhyme
• even rhyme: the first two lines rhyme and the last two lines rhyme
• cross rhyme: the first and third lines rhyme, as do the second and fourth
• shell rhyme: the first and fourth lines rhyme, as do the second and third
• free rhyme: any form that is not perfect, even, cross, or shell.

The first line of the input file contains an integer , the number of verses in the poem, . The following lines of the input file contain the lines of the poem. Each line contains at most letters of the alphabet and spaces as described above.

The output should have lines. For each verse of the poem there should a single line containing one of the words perfect, even, cross, shell or free describing the form of rhyme in that verse.

#### Sample Input 1

1
One plus one is small
one hundred plus one is not
you might be very tall
but summer is not

#### Output for Sample Input 1

cross

#### Sample Input 2

2
I say to you boo
You say boohoo
I cry too
It is too much foo
and mark and mark and teach
To do well on this contest you have to reach
for everything with a lark

#### Output for Sample Input 2

perfect
shell

#### Sample Input 3

2
It seems though
that without some dough
creating such a bash
is a weighty in terms of cash
But how I see
the problem so fair
is to write subtle verse
with hardly a rhyme

#### Output for Sample Input 3

even
free

• evanwild  commented on Jan. 17, 2019, 8:40 p.m.

Test cases #2 and #4 aren't correct for me, any ideas?

• Relativity  commented on Nov. 7, 2017, 9:21 a.m.

Anybody know why I'm getting a java.nullPointerException? It seems to be outputting the right thing.

• Selena_Liu  commented on July 4, 2017, 9:10 p.m.

last case... I'm using .lower() for the last syllable so that shouldn't matter...

• susheelk  commented on Nov. 25, 2015, 10:11 p.m.

Any suggestions for the last test case?

• wsl1998  commented on Feb. 17, 2016, 11:12 a.m.

Read the question. "Each line consists of one or more words consisting of upper or lower case letters, or a combination of both upper and lower case letters. "

• BMP  commented on Jan. 6, 2015, 6:30 p.m.

java .lastIndexOf(), is screwing me over.

• FatalEagle  commented on Jan. 6, 2015, 7:00 p.m.

Using java is screwing me over.

FTFY

• BMP  commented on Jan. 12, 2015, 11:13 a.m.

What if, first, second and third rhyme and the fourth one does not. Will this be considered free?

• Evan  commented on May 26, 2019, 11:59 a.m.

yes, it will be considered free