CSES - Datatähti 2024 loppu - Results
Submission details
Task:Sukat
Sender:EmuBird
Submission time:2024-01-20 14:15:21 +0200
Language:Java
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.07 s1, 2, 3details
#2ACCEPTED0.07 s1, 2, 3details
#30.07 s1, 2, 3details
#4ACCEPTED0.08 s1, 2, 3details
#50.07 s1, 2, 3details
#60.07 s1, 2, 3details
#7ACCEPTED0.07 s1, 2, 3details
#80.08 s2, 3details
#9ACCEPTED0.08 s2, 3details
#100.08 s2, 3details
#110.08 s2, 3details
#120.08 s2, 3details
#130.08 s2, 3details
#140.08 s2, 3details
#150.30 s3details
#16ACCEPTED0.20 s3details
#170.27 s3details
#18ACCEPTED0.31 s3details
#190.29 s3details
#200.27 s3details
#210.19 s3details

Code

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String input = reader.readLine();
        int sum = 0;
        HashMap<Character, Integer> map = new HashMap<Character, Integer>();
        
        for (char c : input.toCharArray()) {
            int count = map.getOrDefault(c, 0) + 1;
            sum += count;
            map.put(c, count);
        }

        int lines = 0;
        StringBuilder out = new StringBuilder();

        for (char c : map.keySet().toArray(new Character[0])) {
            if (!map.containsKey(c)) continue;
            int selfCount = map.get(c);
            while (selfCount < sum) {
                char other = 'Ö'; // Ö=null
                for (char otherCandidate : map.keySet()) {
                    if (otherCandidate == c) continue;
                    else {
                        other = otherCandidate;
                        break;
                    }
                }
                
                if (other == 'Ö') break;

                lines++;
                out.append(c).append(other).append("\n");

                selfCount--;
                sum -= 2;
                int otherCount = map.get(other) - 1;

                if (otherCount > 0) {
                    map.put(other, otherCount);
                } else {
                    map.remove(other);
                }

                if (selfCount > 0) {
                    map.put(c, selfCount);
                } else {
                    map.remove(c);
                    break;
                }
            }
        }

        System.out.println(lines);
        if (out.length() > 0) {
            out.deleteCharAt(out.length() - 1);
            System.out.println(out.toString());
        }
    }
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
QBAXGXJZJS

correct output
5
XJ
ZX
SQ
JG
...

user output
5
QA
BS
GX
XJ
...

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
SSSSSSSSSS

correct output
0

user output
0

Test 3

Group: 1, 2, 3

Verdict:

input
SETTSESEEE

correct output
5
ES
ET
ES
ET
...

user output
3
ST
ST
SE

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
SSMRSSSSKR

correct output
4
SR
SR
SM
SK

user output
4
RS
RS
SK
SM

Test 5

Group: 1, 2, 3

Verdict:

input
BIIILIIRRL

correct output
5
IR
IL
IR
IL
...

user output
4
BR
RI
IL
IL

Test 6

Group: 1, 2, 3

Verdict:

input
YYGEYTDSTY

correct output
5
YT
YT
YS
YG
...

user output
3
ST
TD
EG

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
MMMMMMMMMN

correct output
1
MN

user output
1
MN

Test 8

Group: 2, 3

Verdict:

input
XQQZJQDDJOWXDFVQUIODDJIZIQDQIW...

correct output
500
DQ
DQ
DQ
DQ
...

user output
483
BC
BC
BC
BC
...
Truncated

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
IIIIIIIIIIIIIIIIIIIIIIIIIIIIII...

correct output
0

user output
0

Test 10

Group: 2, 3

Verdict:

input
KEOHHYHHAIHLLHEKIHKAHHHHOHEHHE...

correct output
493
HA
HA
HA
HA
...

user output
426
AC
AC
AC
AC
...
Truncated

Test 11

Group: 2, 3

Verdict:

input
WNNFXQNODQFSQVQQPNLQNQNNVVNXHN...

correct output
499
NQ
NQ
NQ
NQ
...

user output
424
AD
AD
AD
AD
...
Truncated

Test 12

Group: 2, 3

Verdict:

input
VGAHMMMXMMVXAAMMMOMMMXVMMMYMXT...

correct output
500
MH
MH
MH
MH
...

user output
405
AC
AC
AC
AC
...
Truncated

Test 13

Group: 2, 3

Verdict:

input
KKKKUUAKKAUKKKKFKKSVKCWKKKCVOJ...

correct output
500
KI
KI
KI
KI
...

user output
396
AB
AB
AB
AB
...
Truncated

Test 14

Group: 2, 3

Verdict:

input
VVVVVVVVVVVVVVVVVVVVVVVVVVVVVV...

correct output
100
VP
VP
VP
VP
...

user output
60
EG
EJ
JK
JK
...
Truncated

Test 15

Group: 3

Verdict:

input
FKKJJBWTSFCDEKFPOKIPWZSVKHACMC...

correct output
100000
CK
CK
CK
CK
...

user output
95196
AB
AB
AB
AB
...
Truncated

Test 16

Group: 3

Verdict: ACCEPTED

input
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

correct output
0

user output
0

Test 17

Group: 3

Verdict:

input
WVKKVVADNVCVKLVYVVZVKVCTNKVLVV...

correct output
99925
VC
VC
VC
VC
...

user output
59549
AB
AB
AB
AB
...
Truncated

Test 18

Group: 3

Verdict: ACCEPTED

input
BBBBBDNXDZQXBBYBBWBSBTMADXBBVZ...

correct output
99999
BE
BE
BE
BE
...

user output
99999
AB
AB
AB
AB
...
Truncated

Test 19

Group: 3

Verdict:

input
FBRDPLUMLZMLLLUFUCLEMCMULLZLFL...

correct output
100000
LU
LU
LU
LU
...

user output
82325
AB
AB
AB
AB
...
Truncated

Test 20

Group: 3

Verdict:

input
UUBUBUTUJSLUVBUXTUUMUXUXTMXUXS...

correct output
100000
UX
UX
UX
UX
...

user output
68376
AB
AB
AB
AB
...
Truncated

Test 21

Group: 3

Verdict:

input
PPPPPPPPPPEPPPPPPPPPPBOPPPPPPP...

correct output
20000
PB
PB
PB
PB
...

user output
0