CSES - Datatähti 2020 alku - Results
Submission details
Task:Merkkijonot
Sender:JPaananen
Submission time:2019-10-12 17:09:56 +0300
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.01 s1, 2, 3details
#20.01 s2, 3details
#30.05 s3details
#40.03 s3details
#50.02 s3details
#6ACCEPTED0.01 s1, 2, 3details
#7ACCEPTED0.01 s1, 2, 3details
#8ACCEPTED0.01 s1, 2, 3details
#9ACCEPTED0.01 s1, 2, 3details
#100.01 s2, 3details
#110.01 s2, 3details
#120.01 s2, 3details
#130.01 s2, 3details
#140.01 s2, 3details
#150.06 s3details
#160.06 s3details
#170.06 s3details
#180.06 s3details
#190.06 s3details
#20ACCEPTED0.01 s1, 2, 3details
#21ACCEPTED0.01 s1, 2, 3details
#22ACCEPTED0.01 s1, 2, 3details
#23ACCEPTED0.01 s1, 2, 3details
#24ACCEPTED0.01 s1, 2, 3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:37:24: warning: array subscript has type 'char' [-Wchar-subscripts]
     str[j] = mappings[k];
                        ^
input/code.cpp:42:15: warning: array subscript has type 'char' [-Wchar-subscripts]
     mappings[k] = lastUnused++;
               ^
input/code.cpp:51:24: warning: unused variable 'k' [-Wunused-variable]
  for (const auto& [k, v] : strings) {
                        ^

Code

#include <string>
#include <iostream>
#include <unordered_map>
#include <algorithm>

int main() {
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(NULL);

	int nInputs;
	std::cin >> nInputs;
	std::cin.ignore(); // skip newline

	std::string line;
	line.reserve(50); // 50 was the given max length

	std::unordered_map<std::string, uint_fast8_t> strings;
	strings.reserve(nInputs);

	char mappings[24];

	for (int i = 0; i < nInputs; ++i) {
		std::getline(std::cin, line);

		std::string str;
		str.resize(line.length());

		uint32_t seen = 0L;
		uint32_t lastUnused = 'A';
		
		for (int j = 0, l = line.length(); j < l; ++j) {
			char ch = line[j];
			char k = ch - 'A'; // 0-24

			if (seen & (1 << k)) { // Was seen before
				str[j] = mappings[k];
			}
			else {
				str[j] = lastUnused;
				seen |= 1 << k;
				mappings[k] = lastUnused++;
			}
		}

		auto& count = strings[str];
		count++;
	}

	int count = 0;
	for (const auto& [k, v] : strings) {
		count += (v * (v - 1)) >> 1;
	}

	std::cout << count;


	return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict:

input
20
FFDISOVJLPIASANJRBHQXJVW
HBGVRZFWOTAAVUPYKMKXAOBEYUE
JKHXTPHUKTLTLNXMXMSYYFLF
HCSZMXTZCUFHIHSTEWKHCFZRTXU
...

correct output
20

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 2

Group: 2, 3

Verdict:

input
5000
AJEDROEDXRGDUSDAPZBXXQBPJ
PDGCTAGCRTBCJICPFELRRMLFD
TISAOTGMDKUCITIEFQVCSBZJYUUO
FMASVJYFPMELSVLQWFZVLVMSPHYL
...

correct output
2178556

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 3

Group: 3

Verdict:

input
100000
RESKYADLVRSDCDXJVECAJCAP
CZLIWDHKVNRJHZINHFBOQEPN
LSTRSDTLADUIWXFQJSQPVRSPBCTZ
QEMSZOQSSVBRNQTCLJQIGVQO
...

correct output
404880850

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 4

Group: 3

Verdict:

input
100000
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

correct output
4999950000

user output
12720

Test 5

Group: 3

Verdict:

input
100000
IPI
Q
SPGV
UNYE
...

correct output
1041990627

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
A
B
C
D
...

correct output
190

user output
190

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
1
A

correct output
0

user output
0

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
A
BB
CCC
DDDD
...

correct output
0

user output
0

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

input
2
A
A

correct output
1

user output
1

Test 10

Group: 2, 3

Verdict:

input
5000
SEKNHNRHSRFYIHSCDPGXPTGUSYBFKZ...

correct output
20861

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 11

Group: 2, 3

Verdict:

input
5000
UGPWHWOWAREEIROZTRJGUCKDKTZJEO...

correct output
22818

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 12

Group: 2, 3

Verdict:

input
5000
FFQQCBCINBDWIKHFPO
SCJU
DNHYPGIQNZS
KNQCYRAXHHKORXMOVHL
...

correct output
22268

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 13

Group: 2, 3

Verdict:

input
5000
QVWMSYPWXWBBXWCVEOUAVQLDWNBXZB...

correct output
22589

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 14

Group: 2, 3

Verdict:

input
5000
JYORMNQAKXHNRBWGGSMWXWXMBKPBZU...

correct output
20482

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 15

Group: 3

Verdict:

input
100000
DCXXVIEYQAASZJYUUVYZUIJFGVBAYC...

correct output
8925377

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 16

Group: 3

Verdict:

input
100000
IJZHBIYNWQBDWNGZWVXJKXXWFVLPQX...

correct output
8907840

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 17

Group: 3

Verdict:

input
100000
GWUGLGQDAYGGJROIAKBMMICQMDUQQQ...

correct output
8771809

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 18

Group: 3

Verdict:

input
100000
SWVSVXURRSLCSHCPAKWESIPCNDKYLD...

correct output
8704480

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 19

Group: 3

Verdict:

input
100000
ZLSNSZBGIMCOLPDEAKVDAJCTMBNRLH...

correct output
8672362

user output
(empty)

Error:
*** stack smashing detected ***: <unknown> terminated

Test 20

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
AAB
D
CDBAA
D
...

correct output
15

user output
15

Test 21

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
A
CDD
AABBC
DBCB
...

correct output
15

user output
15

Test 22

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
ACADD
CDDCD
DACA
CCDCA
...

correct output
17

user output
17

Test 23

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
DCDA
BDBA
CACBD
BA
...

correct output
7

user output
7

Test 24

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
DDA
BBCDC
DDD
CCD
...

correct output
14

user output
14