CSES - Datatähti 2020 alku - Results
Submission details
Task:Merkkijonot
Sender:Tume7
Submission time:2019-10-01 22:45:44 +0300
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#20.01 s2, 3details
#30.13 s3details
#40.15 s3details
#50.04 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
#150.15 s3details
#160.15 s3details
#170.15 s3details
#180.15 s3details
#190.15 s3details
#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 'int main()':
input/code.cpp:85:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j=0; j<s.length(); j++){
                      ~^~~~~~~~~~~

Code

/*

#include <bits/stdc++.h>

using namespace std;


int main(){
    
    long long n, x;
    string s;
    vector< vector<long long> > v;
    cin >> n;
    v.resize(n);
    
    multiset<long long> setti;

    for(int i=0; i<n; i++){
        
        for(int j=0; j<50; j++){
            v[i].push_back(0);
        }
    }
    
    
    for(int i=0; i<n; i++){
        cin>>s;
        int sum=0;
        for(int j=0; j<s.length(); j++){
            int k = s.find(s[j], j+1);
            
            v[i][j] = k;
            sum+=k;
        }
        setti.insert(k);

    }

    
    for(int i=0; i<n; i++){
        for(int j=0; j<50; j++){
            cout<<v[i][j]<<" ";
        }
        cout<<"\n";
    }
    
    
    
    
    return 0;
}
*/
#include <bits/stdc++.h>

using namespace std;

long long nChoosek( long long n, long long k )
{
    if (k > n) return 0;
    if (k * 2 > n) k = n-k;
    if (k == 0) return 1;
    
    int result = n;
    for(long long i = 2; i <= k; ++i ) {
        result *= (n-i+1);
        result /= i;
    }
    return result;
}


int main(){
    
    long long n, x;
    string s;
    cin >> n;
    
    multiset<long long> setti;
    set<long long> setti1;
    
    
    for(int i=0; i<n; i++){
        cin>>s;
        x=0;
        for(int j=0; j<s.length(); j++){
            int k = s.find(s[j], j+1);
            x += k;
        }
        setti.insert(x+s.length());
        setti1.insert(x+s.length());
    }
    long long res = 0;
    
    for(auto a: setti1){
        res += nChoosek(setti.count(a), 2);
    }
    
    cout<<res<<"\n";
    
    
    
    
    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
2228838

Test 3

Group: 3

Verdict:

input
100000
RESKYADLVRSDCDXJVECAJCAP
CZLIWDHKVNRJHZINHFBOQEPN
LSTRSDTLADUIWXFQJSQPVRSPBCTZ
QEMSZOQSSVBRNQTCLJQIGVQO
...

correct output
404880850

user output
434440574

Test 4

Group: 3

Verdict:

input
100000
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

correct output
4999950000

user output
704982704

Test 5

Group: 3

Verdict:

input
100000
IPI
Q
SPGV
UNYE
...

correct output
1041990627

user output
-162870522

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
195531

Test 11

Group: 2, 3

Verdict:

input
5000
UGPWHWOWAREEIROZTRJGUCKDKTZJEO...

correct output
22818

user output
198096

Test 12

Group: 2, 3

Verdict:

input
5000
FFQQCBCINBDWIKHFPO
SCJU
DNHYPGIQNZS
KNQCYRAXHHKORXMOVHL
...

correct output
22268

user output
196885

Test 13

Group: 2, 3

Verdict:

input
5000
QVWMSYPWXWBBXWCVEOUAVQLDWNBXZB...

correct output
22589

user output
206799

Test 14

Group: 2, 3

Verdict:

input
5000
JYORMNQAKXHNRBWGGSMWXWXMBKPBZU...

correct output
20482

user output
193617

Test 15

Group: 3

Verdict:

input
100000
DCXXVIEYQAASZJYUUVYZUIJFGVBAYC...

correct output
8925377

user output
82988008

Test 16

Group: 3

Verdict:

input
100000
IJZHBIYNWQBDWNGZWVXJKXXWFVLPQX...

correct output
8907840

user output
82672447

Test 17

Group: 3

Verdict:

input
100000
GWUGLGQDAYGGJROIAKBMMICQMDUQQQ...

correct output
8771809

user output
81322798

Test 18

Group: 3

Verdict:

input
100000
SWVSVXURRSLCSHCPAKWESIPCNDKYLD...

correct output
8704480

user output
81185087

Test 19

Group: 3

Verdict:

input
100000
ZLSNSZBGIMCOLPDEAKVDAJCTMBNRLH...

correct output
8672362

user output
80763944

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
30