CSES - Datatähti 2024 loppu - Results
Submission details
Task:Sukat
Sender:a256
Submission time:2024-01-20 15:02:14 +0200
Language:C++ (C++20)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.00 s1, 2, 3details
#2ACCEPTED0.00 s1, 2, 3details
#30.00 s1, 2, 3details
#40.00 s1, 2, 3details
#50.00 s1, 2, 3details
#60.00 s1, 2, 3details
#7ACCEPTED0.00 s1, 2, 3details
#80.00 s2, 3details
#9ACCEPTED0.00 s2, 3details
#100.00 s2, 3details
#110.00 s2, 3details
#120.00 s2, 3details
#130.00 s2, 3details
#140.00 s2, 3details
#150.01 s3details
#16ACCEPTED0.01 s3details
#170.01 s3details
#180.01 s3details
#190.01 s3details
#200.01 s3details
#210.01 s3details

Code

#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
string s;
int n,k,c[26];
vector<pair<int,int>> v;
set<pair<int,int>> m;

int main(){
	cin>>s;
	n=s.size();
	for(int e:s) ++c[e-'A'];
	for(int i=0;i<26;++i){
		if(c[i]) m.insert({c[i],i});
	}
	while(m.size()>1){
		auto it=m.begin();
		auto jt=it; jt++;
		auto P=*it;
		auto Q=*jt;
		m.erase(P);
		m.erase(Q);
		v.push_back({P.S,Q.S});
		P.F--;
		Q.F--;
		if(P.F) m.insert(P);
		if(Q.F) m.insert(P);
	}

	cout<<v.size()<<'\n';
	for(auto p:v){
		cout<<(char)(p.F+'A')<<(char)(p.S+'A')<<'\n';
	}
}

Test details

Test 1

Group: 1, 2, 3

Verdict:

input
QBAXGXJZJS

correct output
5
XJ
ZX
SQ
JG
...

user output
4
AB
GQ
SZ
JX

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
2
TS
TE

Test 4

Group: 1, 2, 3

Verdict:

input
SSMRSSSSKR

correct output
4
SR
SR
SM
SK

user output
2
KM
RS

Test 5

Group: 1, 2, 3

Verdict:

input
BIIILIIRRL

correct output
5
IR
IL
IR
IL
...

user output
3
BL
BR
BI

Test 6

Group: 1, 2, 3

Verdict:

input
YYGEYTDSTY

correct output
5
YT
YT
YS
YG
...

user output
3
DE
GS
TY

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
MMMMMMMMMN

correct output
1
MN

user output
1
NM

Test 8

Group: 2, 3

Verdict:

input
XQQZJQDDJOWXDFVQUIODDJIZIQDQIW...

correct output
500
DQ
DQ
DQ
DQ
...

user output
21
GN
GT
GL
GP
...

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
18
JX
ZG
ZM
ZU
...

Test 11

Group: 2, 3

Verdict:

input
WNNFXQNODQFSQVQQPNLQNQNNVVNXHN...

correct output
499
NQ
NQ
NQ
NQ
...

user output
21
UZ
UE
UL
UP
...

Test 12

Group: 2, 3

Verdict:

input
VGAHMMMXMMVXAAMMMOMMMXVMMMYMXT...

correct output
500
MH
MH
MH
MH
...

user output
20
GJ
GP
GN
GD
...

Test 13

Group: 2, 3

Verdict:

input
KKKKUUAKKAUKKKKFKKSVKCWKKKCVOJ...

correct output
500
KI
KI
KI
KI
...

user output
25
YE
YH
YD
YP
...

Test 14

Group: 2, 3

Verdict:

input
VVVVVVVVVVVVVVVVVVVVVVVVVVVVVV...

correct output
100
VP
VP
VP
VP
...

user output
15
GE
GN
GO
GQ
...

Test 15

Group: 3

Verdict:

input
FKKJJBWTSFCDEKFPOKIPWZSVKHACMC...

correct output
100000
CK
CK
CK
CK
...

user output
25
NQ
NX
NU
NG
...

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
25
OW
OU
OJ
OQ
...

Test 18

Group: 3

Verdict:

input
BBBBBDNXDZQXBBYBBWBSBTMADXBBVZ...

correct output
99999
BE
BE
BE
BE
...

user output
25
RH
RF
RW
RU
...

Test 19

Group: 3

Verdict:

input
FBRDPLUMLZMLLLUFUCLEMCMULLZLFL...

correct output
100000
LU
LU
LU
LU
...

user output
25
AK
AN
AX
AG
...

Test 20

Group: 3

Verdict:

input
UUBUBUTUJSLUVBUXTUUMUXUXTMXUXS...

correct output
100000
UX
UX
UX
UX
...

user output
25
AO
AC
AW
AP
...

Test 21

Group: 3

Verdict:

input
PPPPPPPPPPEPPPPPPPPPPBOPPPPPPP...

correct output
20000
PB
PB
PB
PB
...

user output
25
MR
MU
MV
MQ
...