CSES - Datatähti 2020 alku - Results
Submission details
Task:Merkkijonot
Sender:Tume7
Submission time:2019-10-03 14:06:23 +0300
Language:C++ (C++17)
Status:READY
Result:46
Feedback
groupverdictscore
#1ACCEPTED15
#2ACCEPTED31
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#2ACCEPTED0.03 s2, 3details
#3ACCEPTED0.51 s3details
#40.71 s3details
#5ACCEPTED0.10 s3details
#6ACCEPTED0.01 s1, 2, 3details
#7ACCEPTED0.01 s1, 2, 3details
#8ACCEPTED0.01 s1, 2, 3details
#9ACCEPTED0.01 s1, 2, 3details
#10ACCEPTED0.03 s2, 3details
#11ACCEPTED0.03 s2, 3details
#12ACCEPTED0.03 s2, 3details
#13ACCEPTED0.03 s2, 3details
#14ACCEPTED0.03 s2, 3details
#15ACCEPTED0.57 s3details
#16ACCEPTED0.57 s3details
#17ACCEPTED0.57 s3details
#18ACCEPTED0.57 s3details
#19ACCEPTED0.57 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:33:23: 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;

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;
    string s, s1;
    cin >> n;
    
    multiset<string> setti;
    set<string> setti1;
    
    
    for(int i=0; i<n; i++){
        cin>>s;
        s1 = "";
        for(int j=0; j<s.length(); j++){
            int k = s.find(s[j], j+1);
            s1 += to_string(k+1)+"x";
        }
        setti.insert(s1);
        setti1.insert(s1);
        
    }
    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: ACCEPTED

input
5000
AJEDROEDXRGDUSDAPZBXXQBPJ
PDGCTAGCRTBCJICPFELRRMLFD
TISAOTGMDKUCITIEFQVCSBZJYUUO
FMASVJYFPMELSVLQWFZVLVMSPHYL
...

correct output
2178556

user output
2178556

Test 3

Group: 3

Verdict: ACCEPTED

input
100000
RESKYADLVRSDCDXJVECAJCAP
CZLIWDHKVNRJHZINHFBOQEPN
LSTRSDTLADUIWXFQJSQPVRSPBCTZ
QEMSZOQSSVBRNQTCLJQIGVQO
...

correct output
404880850

user output
404880850

Test 4

Group: 3

Verdict:

input
100000
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

correct output
4999950000

user output
704982704

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: ACCEPTED

input
100000
DCXXVIEYQAASZJYUUVYZUIJFGVBAYC...

correct output
8925377

user output
8925377

Test 16

Group: 3

Verdict: ACCEPTED

input
100000
IJZHBIYNWQBDWNGZWVXJKXXWFVLPQX...

correct output
8907840

user output
8907840

Test 17

Group: 3

Verdict: ACCEPTED

input
100000
GWUGLGQDAYGGJROIAKBMMICQMDUQQQ...

correct output
8771809

user output
8771809

Test 18

Group: 3

Verdict: ACCEPTED

input
100000
SWVSVXURRSLCSHCPAKWESIPCNDKYLD...

correct output
8704480

user output
8704480

Test 19

Group: 3

Verdict: ACCEPTED

input
100000
ZLSNSZBGIMCOLPDEAKVDAJCTMBNRLH...

correct output
8672362

user output
8672362

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