Run time error: exit code is 3!

#	User	Rating
1	tourist	3690
2	jiangly	3647
3	Benq	3581
4	orzdevinwang	3570
5	Geothermal	3569
5	cnnfls_csy	3569
7	Radewoosh	3509
8	ecnerwala	3486
9	jqdai0815	3474
10	gyh20	3447
#	User	Contrib.
1	maomao90	174
2	awoo	164
3	adamant	163
4	TheScrasse	159
5	nor	157
6	maroonrk	155
7	-is-this-fft-	152
8	Petr	146
8	orz	146
10	BledDest	145
here is my code for problemC. Booking System code : http://pastebin.com/RjPfn3uU when i test at Custom test for this case it gives me (Run time error: exit code is 3)!.. any one faced same verdict before ?
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Rev.	By	When	Δ	Comment
en3	checkMate09	2016-04-10 04:50:46	6	Tiny change: 'efore ? \nedit : mayb' -> 'efore ? \n\n\nEdit : mayb'
en2	checkMate09	2016-04-10 04:50:24	16626
en1	checkMate09	2016-04-10 04:07:38	16319	Initial revision (published)
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