CSES - Datatähti 2020 alku - Results
Submission details
Task:Merkkijonot
Sender:untokarila
Submission time:2019-09-30 21:05:19 +0300
Language:C++ (C++11)
Status:READY
Result:46
Feedback
groupverdictscore
#1ACCEPTED15
#2ACCEPTED31
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#2ACCEPTED0.01 s2, 3details
#30.20 s3details
#4ACCEPTED0.18 s3details
#5ACCEPTED0.04 s3details
#6ACCEPTED0.01 s1, 2, 3details
#7ACCEPTED0.01 s1, 2, 3details
#8ACCEPTED0.01 s1, 2, 3details
#9ACCEPTED0.01 s1, 2, 3details
#10ACCEPTED0.02 s2, 3details
#11ACCEPTED0.02 s2, 3details
#12ACCEPTED0.02 s2, 3details
#13ACCEPTED0.02 s2, 3details
#14ACCEPTED0.02 s2, 3details
#150.24 s3details
#160.24 s3details
#170.24 s3details
#180.24 s3details
#190.24 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

Code

#include <iostream>
#include <vector>
#include <set>
#include <map>
#define ll long long
#define A 952342887
#define B 1000000007


using namespace std;

set<int> hshs;
map<int, int> hshm;
vector<int> v[26];

int n, c[101010][51];

int main(){

    cin >> n;

    for(int i=0; i<n; i++){
        string s;
        cin >> s;

        ll nx = 66, z = s.size();

        for(int j=0; j<26; j++) v[j].clear();

        for(int j=0; j<z; j++) v[s[j]-65].push_back(j);

        for(int j=0; j<z; j++){
            if(c[i][j]) continue;
            for(auto a : v[s[j]-65]) c[i][a] = nx;
            nx += 123;
        }

        ll h = 0;

        for(int j=0; j<z; j++) h = ((h+c[i][j])*A)%B;

        hshs.insert(h);
        hshm[h]++;
    }

    ll ans = 0;

    for(auto a : hshs){
        ll o = hshm[a];
        ans += (o*(o-1))/2;
    }

    cout << ans;

    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: ACCEPTED

input
5000
AJEDROEDXRGDUSDAPZBXXQBPJ
PDGCTAGCRTBCJICPFELRRMLFD
TISAOTGMDKUCITIEFQVCSBZJYUUO
FMASVJYFPMELSVLQWFZVLVMSPHYL
...

correct output
2178556

user output
2178556

Test 3

Group: 3

Verdict:

input
100000
RESKYADLVRSDCDXJVECAJCAP
CZLIWDHKVNRJHZINHFBOQEPN
LSTRSDTLADUIWXFQJSQPVRSPBCTZ
QEMSZOQSSVBRNQTCLJQIGVQO
...

correct output
404880850

user output
404880855

Test 4

Group: 3

Verdict: ACCEPTED

input
100000
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

correct output
4999950000

user output
4999950000

Test 5

Group: 3

Verdict: ACCEPTED

input
100000
IPI
Q
SPGV
UNYE
...

correct output
1041990627

user output
1041990627

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: ACCEPTED

input
5000
SEKNHNRHSRFYIHSCDPGXPTGUSYBFKZ...

correct output
20861

user output
20861

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
5000
UGPWHWOWAREEIROZTRJGUCKDKTZJEO...

correct output
22818

user output
22818

Test 12

Group: 2, 3

Verdict: ACCEPTED

input
5000
FFQQCBCINBDWIKHFPO
SCJU
DNHYPGIQNZS
KNQCYRAXHHKORXMOVHL
...

correct output
22268

user output
22268

Test 13

Group: 2, 3

Verdict: ACCEPTED

input
5000
QVWMSYPWXWBBXWCVEOUAVQLDWNBXZB...

correct output
22589

user output
22589

Test 14

Group: 2, 3

Verdict: ACCEPTED

input
5000
JYORMNQAKXHNRBWGGSMWXWXMBKPBZU...

correct output
20482

user output
20482

Test 15

Group: 3

Verdict:

input
100000
DCXXVIEYQAASZJYUUVYZUIJFGVBAYC...

correct output
8925377

user output
8925380

Test 16

Group: 3

Verdict:

input
100000
IJZHBIYNWQBDWNGZWVXJKXXWFVLPQX...

correct output
8907840

user output
8907861

Test 17

Group: 3

Verdict:

input
100000
GWUGLGQDAYGGJROIAKBMMICQMDUQQQ...

correct output
8771809

user output
8771812

Test 18

Group: 3

Verdict:

input
100000
SWVSVXURRSLCSHCPAKWESIPCNDKYLD...

correct output
8704480

user output
8704485

Test 19

Group: 3

Verdict:

input
100000
ZLSNSZBGIMCOLPDEAKVDAJCTMBNRLH...

correct output
8672362

user output
8672365

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