CSES - Datatähti 2024 loppu - Results
Submission details
Task:Sukat
Sender:stpn129
Submission time:2024-01-20 14:02:13 +0200
Language:C++ (C++17)
Status:READY
Result:28
Feedback
groupverdictscore
#1ACCEPTED28
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2, 3details
#2ACCEPTED0.00 s1, 2, 3details
#3ACCEPTED0.00 s1, 2, 3details
#4ACCEPTED0.00 s1, 2, 3details
#5ACCEPTED0.00 s1, 2, 3details
#6ACCEPTED0.00 s1, 2, 3details
#7ACCEPTED0.00 s1, 2, 3details
#8ACCEPTED0.00 s2, 3details
#9ACCEPTED0.00 s2, 3details
#10ACCEPTED0.00 s2, 3details
#11ACCEPTED0.00 s2, 3details
#12ACCEPTED0.00 s2, 3details
#130.00 s2, 3details
#14ACCEPTED0.00 s2, 3details
#150.02 s3details
#16ACCEPTED0.01 s3details
#17ACCEPTED0.02 s3details
#18ACCEPTED0.02 s3details
#19ACCEPTED0.02 s3details
#200.02 s3details
#21ACCEPTED0.01 s3details

Compiler report

input/code.cpp: In function 'void solve()':
input/code.cpp:62:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |    for (int i = 0; i < ans.size(); ++i) {
      |                    ~~^~~~~~~~~~~~

Code

#include<bits/stdc++.h>
using namespace std;
 
void init_code(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    #ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    #endif 
}

void solve() {
   string s;
   cin >> s;

   int n = s.size();

   vector<pair<int, int>> tmp(26);

   for (int i = 0; i < n; ++i) {
      int x = s[i] - 'A';

      tmp[x].first++;
      tmp[x].second = x;
   }

   priority_queue<pair<int, int>> pq;
   for (auto i : tmp) {
      pq.push(i);
   }

   vector<string> ans;

   while (!pq.empty()) {
      pair<int, int> a = pq.top();
      pq.pop();
      //cout << a.first << ' ' << a.second << '\n';
      
      if (pq.empty()) break;

      pair<int, int> b = pq.top();
      pq.pop();

      if (a.first == 0 || b.first == 0) break;

      string t = "";
      char x = 'A' + a.second, y = 'A' + b.second;
      t += x; t += y;

      int k = b.first;

      for (int i = 0; i < k; ++i) {
         ans.push_back(t);
      }

      pq.push({a.first - b.first, a.second});
      
   }

   cout << ans.size() << '\n';
   for (int i = 0; i < ans.size(); ++i) {
      cout << ans[i] << '\n';
   }
}

int main() {
   init_code();
   solve();
   return 0;
}
 

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
QBAXGXJZJS

correct output
5
XJ
ZX
SQ
JG
...

user output
5
XJ
XJ
ZS
QG
...

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
SSSSSSSSSS

correct output
0

user output
0

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
SETTSESEEE

correct output
5
ES
ET
ES
ET
...

user output
5
ES
ES
ES
TE
...

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
SSMRSSSSKR

correct output
4
SR
SR
SM
SK

user output
4
SR
SR
SM
SK

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
BIIILIIRRL

correct output
5
IR
IL
IR
IL
...

user output
5
IR
IR
IL
IL
...

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
YYGEYTDSTY

correct output
5
YT
YT
YS
YG
...

user output
5
YT
YT
YS
YG
...

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
MMMMMMMMMN

correct output
1
MN

user output
1
MN

Test 8

Group: 2, 3

Verdict: ACCEPTED

input
XQQZJQDDJOWXDFVQUIODDJIZIQDQIW...

correct output
500
DQ
DQ
DQ
DQ
...

user output
500
DQ
DQ
DQ
DQ
...
Truncated

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
IIIIIIIIIIIIIIIIIIIIIIIIIIIIII...

correct output
0

user output
0

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
KEOHHYHHAIHLLHEKIHKAHHHHOHEHHE...

correct output
493
HA
HA
HA
HA
...

user output
493
HA
HA
HA
HA
...
Truncated

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
WNNFXQNODQFSQVQQPNLQNQNNVVNXHN...

correct output
499
NQ
NQ
NQ
NQ
...

user output
499
NQ
NQ
NQ
NQ
...
Truncated

Test 12

Group: 2, 3

Verdict: ACCEPTED

input
VGAHMMMXMMVXAAMMMOMMMXVMMMYMXT...

correct output
500
MH
MH
MH
MH
...

user output
500
MH
MH
MH
MH
...
Truncated

Test 13

Group: 2, 3

Verdict:

input
KKKKUUAKKAUKKKKFKKSVKCWKKKCVOJ...

correct output
500
KI
KI
KI
KI
...

user output
499
KI
KI
KI
KI
...
Truncated

Test 14

Group: 2, 3

Verdict: ACCEPTED

input
VVVVVVVVVVVVVVVVVVVVVVVVVVVVVV...

correct output
100
VP
VP
VP
VP
...

user output
100
VP
VP
VP
VP
...
Truncated

Test 15

Group: 3

Verdict:

input
FKKJJBWTSFCDEKFPOKIPWZSVKHACMC...

correct output
100000
CK
CK
CK
CK
...

user output
99999
CK
CK
CK
CK
...
Truncated

Test 16

Group: 3

Verdict: ACCEPTED

input
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR...

correct output
0

user output
0

Test 17

Group: 3

Verdict: ACCEPTED

input
WVKKVVADNVCVKLVYVVZVKVCTNKVLVV...

correct output
99925
VC
VC
VC
VC
...

user output
99925
VC
VC
VC
VC
...
Truncated

Test 18

Group: 3

Verdict: ACCEPTED

input
BBBBBDNXDZQXBBYBBWBSBTMADXBBVZ...

correct output
99999
BE
BE
BE
BE
...

user output
99999
BE
BE
BE
BE
...
Truncated

Test 19

Group: 3

Verdict: ACCEPTED

input
FBRDPLUMLZMLLLUFUCLEMCMULLZLFL...

correct output
100000
LU
LU
LU
LU
...

user output
100000
LU
LU
LU
LU
...
Truncated

Test 20

Group: 3

Verdict:

input
UUBUBUTUJSLUVBUXTUUMUXUXTMXUXS...

correct output
100000
UX
UX
UX
UX
...

user output
99999
UX
UX
UX
UX
...
Truncated

Test 21

Group: 3

Verdict: ACCEPTED

input
PPPPPPPPPPEPPPPPPPPPPBOPPPPPPP...

correct output
20000
PB
PB
PB
PB
...

user output
20000
PB
PB
PB
PB
...
Truncated