CSES - Datatähti 2020 alku - Results
Submission details
Task:Merkkijonot
Sender:PauliK
Submission time:2019-10-05 22:15:29 +0300
Language:C++11
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#20.02 s2, 3details
#3--3details
#4--3details
#5--3details
#6ACCEPTED0.01 s1, 2, 3details
#7ACCEPTED0.01 s1, 2, 3details
#8ACCEPTED0.01 s1, 2, 3details
#9ACCEPTED0.01 s1, 2, 3details
#100.02 s2, 3details
#110.02 s2, 3details
#120.02 s2, 3details
#130.02 s2, 3details
#140.02 s2, 3details
#15--3details
#16--3details
#17--3details
#18--3details
#19--3details
#200.01 s1, 2, 3details
#210.01 s1, 2, 3details
#220.01 s1, 2, 3details
#230.01 s1, 2, 3details
#240.01 s1, 2, 3details

Compiler report

input/code.cpp: In function 'uint64_t diff_mask(std::__cxx11::string&)':
input/code.cpp:12:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < s.length(); i++) {
                  ~~^~~~~~~~~~~~

Code

#include <string>
#include <cstdint>
#include <iostream>
#include <vector>
#include <bitset>


uint32_t start_num = 'A';
uint64_t diff_mask(std::string& s) {
	uint32_t char_mask = 0;
	uint64_t diff_mask = 0;
	for (int i = 0; i < s.length(); i++) {
		uint32_t num = s[i] - start_num;
		uint32_t char_bit = 1 << num;
		if (char_mask & char_bit) {
			// same character
			// std::cout << i << ": " << s[i] << std::endl;
			uint64_t diff_bit = 1 << i;
			diff_mask |= diff_bit;
		} else {
			// unique character
			char_mask |= char_bit;
		}
	}
	return diff_mask;
}

int main() {
	int n;
	std::cin >> n;
	std::string s;
	s.reserve(50);
	std::vector<uint64_t> diff_masks;
	diff_masks.reserve(n);
	for (int i = 0; i < n; i++) {
		std::cin >> s;
		// std::cout << std::bitset<64>(diff_mask(s)) << std::endl;
		diff_masks.push_back(diff_mask(s));
	}
	int count = 0;
	for (int i = 0; i < n; i++) {
		for (int j = i + 1; j < n; j++) {
			if (diff_masks[i] == diff_masks[j]) {
				count++;
				// std::cout << i << " and " << j << std::endl;
			}
		}
	}
	std::cout << count << std::endl;
	return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
20
FFDISOVJLPIASANJRBHQXJVW
HBGVRZFWOTAAVUPYKMKXAOBEYUE
JKHXTPHUKTLTLNXMXMSYYFLF
HCSZMXTZCUFHIHSTEWKHCFZRTXU
...

correct output
20

user output
20

Test 2

Group: 2, 3

Verdict:

input
5000
AJEDROEDXRGDUSDAPZBXXQBPJ
PDGCTAGCRTBCJICPFELRRMLFD
TISAOTGMDKUCITIEFQVCSBZJYUUO
FMASVJYFPMELSVLQWFZVLVMSPHYL
...

correct output
2178556

user output
2178558

Test 3

Group: 3

Verdict:

input
100000
RESKYADLVRSDCDXJVECAJCAP
CZLIWDHKVNRJHZINHFBOQEPN
LSTRSDTLADUIWXFQJSQPVRSPBCTZ
QEMSZOQSSVBRNQTCLJQIGVQO
...

correct output
404880850

user output
(empty)

Test 4

Group: 3

Verdict:

input
100000
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

correct output
4999950000

user output
(empty)

Test 5

Group: 3

Verdict:

input
100000
IPI
Q
SPGV
UNYE
...

correct output
1041990627

user output
(empty)

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
180809

Test 11

Group: 2, 3

Verdict:

input
5000
UGPWHWOWAREEIROZTRJGUCKDKTZJEO...

correct output
22818

user output
182928

Test 12

Group: 2, 3

Verdict:

input
5000
FFQQCBCINBDWIKHFPO
SCJU
DNHYPGIQNZS
KNQCYRAXHHKORXMOVHL
...

correct output
22268

user output
181850

Test 13

Group: 2, 3

Verdict:

input
5000
QVWMSYPWXWBBXWCVEOUAVQLDWNBXZB...

correct output
22589

user output
192604

Test 14

Group: 2, 3

Verdict:

input
5000
JYORMNQAKXHNRBWGGSMWXWXMBKPBZU...

correct output
20482

user output
178768

Test 15

Group: 3

Verdict:

input
100000
DCXXVIEYQAASZJYUUVYZUIJFGVBAYC...

correct output
8925377

user output
(empty)

Test 16

Group: 3

Verdict:

input
100000
IJZHBIYNWQBDWNGZWVXJKXXWFVLPQX...

correct output
8907840

user output
(empty)

Test 17

Group: 3

Verdict:

input
100000
GWUGLGQDAYGGJROIAKBMMICQMDUQQQ...

correct output
8771809

user output
(empty)

Test 18

Group: 3

Verdict:

input
100000
SWVSVXURRSLCSHCPAKWESIPCNDKYLD...

correct output
8704480

user output
(empty)

Test 19

Group: 3

Verdict:

input
100000
ZLSNSZBGIMCOLPDEAKVDAJCTMBNRLH...

correct output
8672362

user output
(empty)

Test 20

Group: 1, 2, 3

Verdict:

input
20
AAB
D
CDBAA
D
...

correct output
15

user output
49

Test 21

Group: 1, 2, 3

Verdict:

input
20
A
CDD
AABBC
DBCB
...

correct output
15

user output
53

Test 22

Group: 1, 2, 3

Verdict:

input
20
ACADD
CDDCD
DACA
CCDCA
...

correct output
17

user output
39

Test 23

Group: 1, 2, 3

Verdict:

input
20
DCDA
BDBA
CACBD
BA
...

correct output
7

user output
34

Test 24

Group: 1, 2, 3

Verdict:

input
20
DDA
BBCDC
DDD
CCD
...

correct output
14

user output
29