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Datatähti 2016 alku

Start:2015-09-28 00:00:00
End:2015-10-12 00:00:00
 

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CSES - Datatähti 2016 alku - Results
History
2015-10-11 23:47:550
2015-09-28 23:49:38100
2015-09-28 23:48:5388
2015-09-28 23:47:5988
2015-09-28 23:43:3188
2015-09-28 23:42:4788
2015-09-28 23:32:32100
2015-09-28 22:37:2512
Task:Osajono
Sender:Ilari
Submission time:2015-09-28 23:49:38
Language:Python3
Status:READY
Score:100

Feedback

groupverdictscore
#1ACCEPTED12
#2ACCEPTED27
#3ACCEPTED61

Test results

testverdicttime (s)group
#1ACCEPTED0.09 / 1.001details
#2ACCEPTED0.10 / 1.001details
#3ACCEPTED0.10 / 1.001details
#4ACCEPTED0.10 / 1.001details
#5ACCEPTED0.09 / 1.001details
#6ACCEPTED0.09 / 1.002details
#7ACCEPTED0.10 / 1.002details
#8ACCEPTED0.09 / 1.002details
#9ACCEPTED0.09 / 1.002details
#10ACCEPTED0.09 / 1.002details
#11ACCEPTED0.32 / 1.003details
#12ACCEPTED0.14 / 1.003details
#13ACCEPTED0.47 / 1.003details
#14ACCEPTED0.49 / 1.003details
#15ACCEPTED0.47 / 1.003details

Code

#!/usr/bin/python3
from collections import Counter
from math import factorial

def nCk(n,k): 
  if n-k < 0:
   return 0
  return factorial(n) // factorial(k) // factorial(n-k)


a=input()
b=len(a)
#c=0
d=0
#for i in range(0,b):
#	for j in range(i,b):
		#print(a[i:j+1])
#		if a[i:j+1][0] == a[i:j+1][-1]:
#			c+=1

counter = Counter(a)
for i in list(counter.values()):
	d+=nCk(i,2)
d+=b
#print(counter.values())
print(d)



Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
BBBAABBBAAAABBAAAABAABAABBBBBB...
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correct output
2554

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user output
2554

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Test 2

Group: 1

Verdict: ACCEPTED

input
GDFVYWQCZAFGICSXOSWBZMGPDBSSVL...
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correct output
299

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user output
299

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Test 3

Group: 1

Verdict: ACCEPTED

input
AAAAAAAAAAAAAAAAAAAAAAAAAZAAAA...
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correct output
4314

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user output
4314

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Test 4

Group: 1

Verdict: ACCEPTED

input
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...
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correct output
4231

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user output
4231

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Test 5

Group: 1

Verdict: ACCEPTED

input
QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ...
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correct output
5050

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user output
5050

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Test 6

Group: 2

Verdict: ACCEPTED

input
BBABABBBABBAABBABBABAABAAABABA...
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correct output
6253029

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user output
6253029

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Test 7

Group: 2

Verdict: ACCEPTED

input
RBKJMLDVQMKHYKCNDIVVKOMFUXTFMG...
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correct output
485173

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user output
485173

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Test 8

Group: 2

Verdict: ACCEPTED

input
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...
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correct output
12427725

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user output
12427725

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Test 9

Group: 2

Verdict: ACCEPTED

input
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...
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correct output
12467549

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user output
12467549

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Test 10

Group: 2

Verdict: ACCEPTED

input
QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ...
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correct output
12502500

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user output
12502500

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Test 11

Group: 3

Verdict: ACCEPTED

input
BAAAAABABBABAABAABABABBBABBAAB...
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correct output
2500051369

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user output
2500051369

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Test 12

Group: 3

Verdict: ACCEPTED

input
ABBURXDRVXAYBPXXOQZNYHLWGUEEWR...
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correct output
192407124

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user output
192407124

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Test 13

Group: 3

Verdict: ACCEPTED

input
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...
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correct output
4998050400

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user output
4998050400

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Test 14

Group: 3

Verdict: ACCEPTED

input
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...
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correct output
4998850144

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user output
4998850144

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Test 15

Group: 3

Verdict: ACCEPTED

input
QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ...
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correct output
5000050000

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user output
5000050000

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