CSES - Datatähti 2024 loppu

Submission details
Task:	Sukat
Sender:	a256
Submission time:	2024-02-08 19:31:49 +0200
Language:	C++ (C++20)
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	28
#2	ACCEPTED	37
#3	ACCEPTED	35

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 2, 3	details
#2	ACCEPTED	0.00 s	1, 2, 3	details
#3	ACCEPTED	0.00 s	1, 2, 3	details
#4	ACCEPTED	0.00 s	1, 2, 3	details
#5	ACCEPTED	0.00 s	1, 2, 3	details
#6	ACCEPTED	0.00 s	1, 2, 3	details
#7	ACCEPTED	0.00 s	1, 2, 3	details
#8	ACCEPTED	0.00 s	2, 3	details
#9	ACCEPTED	0.00 s	2, 3	details
#10	ACCEPTED	0.00 s	2, 3	details
#11	ACCEPTED	0.00 s	2, 3	details
#12	ACCEPTED	0.00 s	2, 3	details
#13	ACCEPTED	0.00 s	2, 3	details
#14	ACCEPTED	0.00 s	2, 3	details
#15	ACCEPTED	0.04 s	3	details
#16	ACCEPTED	0.01 s	3	details
#17	ACCEPTED	0.04 s	3	details
#18	ACCEPTED	0.04 s	3	details
#19	ACCEPTED	0.04 s	3	details
#20	ACCEPTED	0.04 s	3	details
#21	ACCEPTED	0.01 s	3	details

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.rbegin();
		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(Q);
	}
 
	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: ACCEPTED

input
`QBAXGXJZJS` view save

correct output
`5 XJ ZX SQ JG ...` view save

user output
`5 XJ ZX SQ JG ...` view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`SSSSSSSSSS` view save

correct output
`0` view save

user output
`0` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
`SETTSESEEE` view save

correct output
`5 ES ET ES ET ...` view save

user output
`5 ES ET ES ET ...` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
`SSMRSSSSKR` view save

correct output
`4 SR SR SM SK` view save

user output
`4 SR SR SM SK` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
`BIIILIIRRL` view save

correct output
`5 IR IL IR IL ...` view save

user output
`5 IR IL IR IL ...` view save

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
`YYGEYTDSTY` view save

correct output
`5 YT YT YS YG ...` view save

user output
`5 YT YT YS YG ...` view save

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
`MMMMMMMMMN` view save

correct output
`1 MN` view save

user output
`1 MN` view save

Test 8

Group: 2, 3

Verdict: ACCEPTED

input
`XQQZJQDDJOWXDFVQUIODDJIZIQDQIW...` view save

correct output
`500 DQ DQ DQ DQ ...` view save

user output
`500 DQ DQ DQ DQ ...` Truncated

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
`IIIIIIIIIIIIIIIIIIIIIIIIIIIIII...` view save

correct output
`0` view save

user output
`0` view save

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
`KEOHHYHHAIHLLHEKIHKAHHHHOHEHHE...` view save

correct output
`493 HA HA HA HA ...` view save

user output
`493 HA HA HA HA ...` Truncated

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
`WNNFXQNODQFSQVQQPNLQNQNNVVNXHN...` view save

correct output
`499 NQ NQ NQ NQ ...` view save

user output
`499 NQ NQ NQ NQ ...` Truncated

Test 12

Group: 2, 3

Verdict: ACCEPTED

input
`VGAHMMMXMMVXAAMMMOMMMXVMMMYMXT...` view save

correct output
`500 MH MH MH MH ...` view save

user output
`500 MH MH MH MH ...` Truncated

Test 13

Group: 2, 3

Verdict: ACCEPTED

input
`KKKKUUAKKAUKKKKFKKSVKCWKKKCVOJ...` view save

correct output
`500 KI KI KI KI ...` view save

user output
`500 KI KI KI KI ...` Truncated

Test 14

Group: 2, 3

Verdict: ACCEPTED

input
`VVVVVVVVVVVVVVVVVVVVVVVVVVVVVV...` view save

correct output
`100 VP VP VP VP ...` view save

user output
`100 VP VP VP VP ...` Truncated

Test 15

Group: 3

Verdict: ACCEPTED

input
`FKKJJBWTSFCDEKFPOKIPWZSVKHACMC...` view save

correct output
`100000 CK CK CK CK ...` view save

user output
`100000 CK CK CK CK ...` Truncated

Test 16

Group: 3

Verdict: ACCEPTED

input
`RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...` view save

correct output
`0` view save

user output
`0` view save

Test 17

Group: 3

Verdict: ACCEPTED

input
`WVKKVVADNVCVKLVYVVZVKVCTNKVLVV...` view save

correct output
`99925 VC VC VC VC ...` view save

user output
`99925 VC VC VC VC ...` Truncated

Test 18

Group: 3

Verdict: ACCEPTED

input
`BBBBBDNXDZQXBBYBBWBSBTMADXBBVZ...` view save

correct output
`99999 BE BE BE BE ...` view save

user output
`99999 BE BE BE BE ...` Truncated

Test 19

Group: 3

Verdict: ACCEPTED

input
`FBRDPLUMLZMLLLUFUCLEMCMULLZLFL...` view save

correct output
`100000 LU LU LU LU ...` view save

user output
`100000 LU LU LU LU ...` Truncated

Test 20

Group: 3

Verdict: ACCEPTED

input
`UUBUBUTUJSLUVBUXTUUMUXUXTMXUXS...` view save

correct output
`100000 UX UX UX UX ...` view save

user output
`100000 UX UX UX UX ...` Truncated

Test 21

Group: 3

Verdict: ACCEPTED

input
`PPPPPPPPPPEPPPPPPPPPPBOPPPPPPP...` view save

correct output
`20000 PB PB PB PB ...` view save

user output
`20000 PB PB PB PB ...` Truncated

Datatähti 2024 loppu

Sukat

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Tasks

Submissions (a256)