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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
2017-06-23 23:45:39100
2017-06-23 23:43:5039
2017-06-23 23:36:370
2017-06-23 23:33:48
2015-09-28 19:58:48100
2015-09-28 19:43:3839
2015-09-28 19:25:0639
Task:Osajono
Sender:Pohjantahti
Submission time:2015-09-28 19:58:48
Language:Python3
Status:READY
Score:100

Feedback

groupverdictscore
#1ACCEPTED12
#2ACCEPTED27
#3ACCEPTED61

Test results

testverdicttime (s)group
#1ACCEPTED0.16 / 1.001details
#2ACCEPTED0.15 / 1.001details
#3ACCEPTED0.16 / 1.001details
#4ACCEPTED0.15 / 1.001details
#5ACCEPTED0.16 / 1.001details
#6ACCEPTED0.15 / 1.002details
#7ACCEPTED0.15 / 1.002details
#8ACCEPTED0.16 / 1.002details
#9ACCEPTED0.17 / 1.002details
#10ACCEPTED0.16 / 1.002details
#11ACCEPTED0.40 / 1.003details
#12ACCEPTED0.19 / 1.003details
#13ACCEPTED0.54 / 1.003details
#14ACCEPTED0.56 / 1.003details
#15ACCEPTED0.56 / 1.003details

Code

import math
import cProfile

def binomialCoefficient(n, k):
    if n < k:
        return 0
    return math.factorial(n) / (math.factorial(k) * (math.factorial(n - k)))


input = input()

if len(input) == 0:
    print (0)
    sys.exit()

letterCounts = [0] * 26

for i in range(0, len(input)):
    letter = ord(input[i])
    letterCounts[letter - 65] += 1

subsets = 0
for i in range(0, 26):
    subsets += (binomialCoefficient(letterCounts[i], 2) + letterCounts[i])
    
print (math.floor(subsets))
 

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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