CSES - Datatähti 2015 loppu - Results
Submission details
Task:Ruudukko
Sender:fergusq
Submission time:2015-01-29 13:39:18
Language:Java
Status:READY
Result:17
Feedback
groupverdictscore
#1ACCEPTED17
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1details
#2ACCEPTED0.04 s1details
#3ACCEPTED0.03 s1details
#4ACCEPTED0.03 s1details
#5ACCEPTED0.04 s1details
#6--2details
#7--2details
#8ACCEPTED0.10 s2details
#9ACCEPTED0.13 s2details
#10ACCEPTED0.37 s2details
#11--3details
#12--3details
#13--3details
#14--3details
#15--3details

Code

import java.util.Arrays;


public class Ruudukkokulkija {

	static int n;
	static char[][] r;
	
	public static void main(String[] args) {
		IO io = new IO();
		
		n = io.nextInt();
		
		r = new char[n][];
		
		for (int i = 0; i < n; i++) {
			r[i] = io.next().toCharArray();
		}
		
		io.println(mene(0, 0, ""));
		
		io.close();
	}

	static String mene(int x, int y, String a) {
		
		a += r[y][x];
		
		if (x+1 == n && y+1 == n) {
			return a;
		}
		
		if (x+1 == n) {
			y++;
			return mene(x, y, a);
		}
		
		if (y+1 == n) {
			x++;
			return mene(x, y, a);
		}
		
		char az = r[y][x+1];
		char bz = r[y+1][x];
		if (az < bz) {
			return mene(x+1, y, a);
		} else if (az > bz) {
			return mene(x, y+1, a);
		} else {
			String asz = mene(x+1, y, a);
			String bsz = mene(x, y+1, a);
			if (asz.compareTo(bsz) < 0) return asz;
			else return bsz;
		}
	}
	
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
5
AAAAA
AAAAA
AAAAA
AAAAA
...

correct output
AAAAAAAAB

user output
AAAAAAAAB

Test 2

Group: 1

Verdict: ACCEPTED

input
5
ABABA
BABAB
ABABA
BABAB
...

correct output
ABABABABA

user output
ABABABABA

Test 3

Group: 1

Verdict: ACCEPTED

input
5
WRYIU
TWLKH
UJMJC
GRDJW
...

correct output
WRWJMDJWK

user output
WRWJMDJWK

Test 4

Group: 1

Verdict: ACCEPTED

input
5
RUEAE
ZYHHW
KDBPD
DXREW
...

correct output
RUEAEWDWX

user output
RUEAEWDWX

Test 5

Group: 1

Verdict: ACCEPTED

input
5
SRGYR
MYDOB
GNOVM
SZOZK
...

correct output
SMGNOOLTU

user output
SMGNOOLTU

Test 6

Group: 2

Verdict:

input
100
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

correct output
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

user output
(empty)

Test 7

Group: 2

Verdict:

input
100
ABABABABABABABABABABABABABABAB...

correct output
ABABABABABABABABABABABABABABAB...

user output
(empty)

Test 8

Group: 2

Verdict: ACCEPTED

input
100
FWOVNYKNMMQCNHJGUYPNEDXGVVGONC...

correct output
FWDBDECKBHKIACOVUCJGDJOHAYIBHO...

user output
FWDBDECKBHKIACOVUCJGDJOHAYIBHO...

Test 9

Group: 2

Verdict: ACCEPTED

input
100
ETGCJABWKMAAEOQXWFFYMDJBMNKMQK...

correct output
EAARGLBRLHCDHHBPABHDAJBEEBHQBE...

user output
EAARGLBRLHCDHHBPABHDAJBEEBHQBE...

Test 10

Group: 2

Verdict: ACCEPTED

input
100
GNWMLJNHSBAADUFCSGIZMWHZTVDHNR...

correct output
GEGOFRDKBNLLEUOPOEQCEFMTKANLNC...

user output
GEGOFRDKBNLLEUOPOEQCEFMTKANLNC...

Test 11

Group: 3

Verdict:

input
500
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

correct output
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

user output
(empty)

Test 12

Group: 3

Verdict:

input
500
ABABABABABABABABABABABABABABAB...

correct output
ABABABABABABABABABABABABABABAB...

user output
(empty)

Test 13

Group: 3

Verdict:

input
500
HGADXTSFXYIEMDWMFIVQGHTACFUPYI...

correct output
HGADEJOGAKPJCRAHTABRSDLAVGBFAG...

user output
(empty)

Test 14

Group: 3

Verdict:

input
500
SBLNMAZESQVGWAPZYHQJMQTNGMEZWS...

correct output
SBLCAMDHILGIDRCIDUNMMAHFYCENOS...

user output
(empty)

Test 15

Group: 3

Verdict:

input
500
AOXYXRYFWPYWQDPWXQITLHQQUAYZAJ...

correct output
AOJLDOAPBGEKSGCNKBUMKAJCCWCOOD...

user output
(empty)