CSES - Aalto Competitive Programming 2024 - wk11 - Mon

CSES - Aalto Competitive Programming 2024 - wk11 - Mon - Results

Submission details
Task:	Fibonacci towers
Sender:	ilyas.ben
Submission time:	2024-11-18 17:00:47 +0200
Language:	Python3 (PyPy3)
Status:	READY
Result:	WRONG ANSWER

Test results
test	verdict	time
#1	ACCEPTED	0.04 s	details
#2	ACCEPTED	0.04 s	details
#3	ACCEPTED	0.04 s	details
#4	WRONG ANSWER	0.04 s	details
#5	WRONG ANSWER	0.05 s	details
#6	WRONG ANSWER	0.04 s	details
#7	WRONG ANSWER	0.05 s	details
#8	WRONG ANSWER	0.05 s	details
#9	WRONG ANSWER	0.05 s	details
#10	TIME LIMIT EXCEEDED	--	details
#11	ACCEPTED	0.04 s	details
#12	ACCEPTED	0.04 s	details
#13	ACCEPTED	0.04 s	details
#14	WRONG ANSWER	0.04 s	details
#15	WRONG ANSWER	0.04 s	details
#16	ACCEPTED	0.04 s	details
#17	WRONG ANSWER	0.05 s	details
#18	WRONG ANSWER	0.05 s	details
#19	WRONG ANSWER	0.04 s	details
#20	TIME LIMIT EXCEEDED	--	details
#21	ACCEPTED	0.04 s	details
#22	ACCEPTED	0.04 s	details
#23	ACCEPTED	0.04 s	details
#24	ACCEPTED	0.04 s	details
#25	WRONG ANSWER	0.04 s	details
#26	ACCEPTED	0.04 s	details
#27	WRONG ANSWER	0.04 s	details
#28	WRONG ANSWER	0.04 s	details
#29	WRONG ANSWER	0.05 s	details
#30	TIME LIMIT EXCEEDED	--	details
#31	WRONG ANSWER	0.04 s	details
#32	WRONG ANSWER	0.05 s	details
#33	WRONG ANSWER	0.04 s	details
#34	WRONG ANSWER	0.04 s	details
#35	ACCEPTED	0.05 s	details
#36	ACCEPTED	0.04 s	details
#37	WRONG ANSWER	0.04 s	details
#38	ACCEPTED	0.04 s	details
#39	WRONG ANSWER	0.04 s	details
#40	TIME LIMIT EXCEEDED	--	details
#41	TIME LIMIT EXCEEDED	--	details
#42	TIME LIMIT EXCEEDED	--	details
#43	TIME LIMIT EXCEEDED	--	details
#44	TIME LIMIT EXCEEDED	--	details
#45	TIME LIMIT EXCEEDED	--	details
#46	TIME LIMIT EXCEEDED	--	details
#47	TIME LIMIT EXCEEDED	--	details
#48	TIME LIMIT EXCEEDED	--	details
#49	TIME LIMIT EXCEEDED	--	details
#50	TIME LIMIT EXCEEDED	--	details
#51	TIME LIMIT EXCEEDED	--	details
#52	TIME LIMIT EXCEEDED	--	details
#53	TIME LIMIT EXCEEDED	--	details
#54	TIME LIMIT EXCEEDED	--	details
#55	TIME LIMIT EXCEEDED	--	details
#56	TIME LIMIT EXCEEDED	--	details
#57	TIME LIMIT EXCEEDED	--	details
#58	TIME LIMIT EXCEEDED	--	details
#59	TIME LIMIT EXCEEDED	--	details
#60	TIME LIMIT EXCEEDED	--	details
#61	TIME LIMIT EXCEEDED	--	details
#62	TIME LIMIT EXCEEDED	--	details
#63	TIME LIMIT EXCEEDED	--	details
#64	TIME LIMIT EXCEEDED	--	details
#65	TIME LIMIT EXCEEDED	--	details
#66	TIME LIMIT EXCEEDED	--	details
#67	TIME LIMIT EXCEEDED	--	details
#68	TIME LIMIT EXCEEDED	--	details
#69	TIME LIMIT EXCEEDED	--	details
#70	TIME LIMIT EXCEEDED	--	details
#71	TIME LIMIT EXCEEDED	--	details
#72	TIME LIMIT EXCEEDED	--	details
#73	TIME LIMIT EXCEEDED	--	details
#74	TIME LIMIT EXCEEDED	--	details
#75	TIME LIMIT EXCEEDED	--	details
#76	TIME LIMIT EXCEEDED	--	details
#77	TIME LIMIT EXCEEDED	--	details
#78	TIME LIMIT EXCEEDED	--	details
#79	TIME LIMIT EXCEEDED	--	details
#80	TIME LIMIT EXCEEDED	--	details

Code

MOD = 10**9 + 7

def binomial_mod(n, k, mod):
    if k > n or k < 0:
        return 0
    num, den = 1, 1
    for i in range(k):
        num = (num * (n - i)) % mod
        den = (den * (i + 1)) % mod
    return (num * pow(den, mod - 2, mod)) % mod

def count_towers(a, b):
    if b < a:
        return 0
    result = 0
    max_y = b // a
    for y in range(max_y + 1):
        x = b - a * y
        if x < 0:
            break
        result = (result + binomial_mod(x + y, x, MOD)) % MOD
    return result

a, b = map(int, input().split())
print(count_towers(a, b))

Test details

Test 1

Verdict: ACCEPTED

input
`2 10` view save

correct output
`89` view save

user output
`89` view save

Test 2

Verdict: ACCEPTED

input
`2 6` view save

correct output
`13` view save

user output
`13` view save

Test 3

Verdict: ACCEPTED

input
`2 8` view save

correct output
`34` view save

user output
`34` view save

Test 4

Verdict: WRONG ANSWER

input
`2 68` view save

correct output
`977351119` view save

user output
`29637311` view save

Test 5

Verdict: WRONG ANSWER

input
`2 78` view save

correct output
`20929410` view save

user output
`923369890` view save

Test 6

Verdict: WRONG ANSWER

input
`2 76` view save

correct output
`878806424` view save

user output
`662189184` view save

Test 7

Verdict: WRONG ANSWER

input
`2 485` view save

correct output
`908660084` view save

user output
`703766125` view save

Test 8

Verdict: WRONG ANSWER

input
`2 519` view save

correct output
`838514871` view save

user output
`850568612` view save

Test 9

Verdict: WRONG ANSWER

input
`2 602` view save

correct output
`892152152` view save

user output
`890352585` view save

Test 10

Verdict: TIME LIMIT EXCEEDED

input
`2 165714` view save

correct output
`921473843` view save

user output
(empty)

Test 11

Verdict: ACCEPTED

input
`3 6` view save

correct output
`6` view save

user output
`6` view save

Test 12

Verdict: ACCEPTED

input
`3 8` view save

correct output
`13` view save

user output
`13` view save

Test 13

Verdict: ACCEPTED

input
`2 7` view save

correct output
`21` view save

user output
`21` view save

Test 14

Verdict: WRONG ANSWER

input
`3 78` view save

correct output
`198155624` view save

user output
`645642280` view save

Test 15

Verdict: WRONG ANSWER

input
`2 76` view save

correct output
`878806424` view save

user output
`662189184` view save

Test 16

Verdict: ACCEPTED

input
`3 49` view save

correct output
`83316385` view save

user output
`83316385` view save

Test 17

Verdict: WRONG ANSWER

input
`2 519` view save

correct output
`838514871` view save

user output
`850568612` view save

Test 18

Verdict: WRONG ANSWER

input
`3 602` view save

correct output
`575081686` view save

user output
`762385055` view save

Test 19

Verdict: WRONG ANSWER

input
`2 166` view save

correct output
`833010588` view save

user output
`379895282` view save

Test 20

Verdict: TIME LIMIT EXCEEDED

input
`2 187222` view save

correct output
`206734446` view save

user output
(empty)

Test 21

Verdict: ACCEPTED

input
`2 7` view save

correct output
`21` view save

user output
`21` view save

Test 22

Verdict: ACCEPTED

input
`5 8` view save

correct output
`5` view save

user output
`5` view save

Test 23

Verdict: ACCEPTED

input
`2 8` view save

correct output
`34` view save

user output
`34` view save

Test 24

Verdict: ACCEPTED

input
`5 49` view save

correct output
`486716` view save

user output
`486716` view save

Test 25

Verdict: WRONG ANSWER

input
`2 52` view save

correct output
`409340464` view save

user output
`316290802` view save

Test 26

Verdict: ACCEPTED

input
`5 61` view save

correct output
`14215310` view save

user output
`14215310` view save

Test 27

Verdict: WRONG ANSWER

input
`2 166` view save

correct output
`833010588` view save

user output
`379895282` view save

Test 28

Verdict: WRONG ANSWER

input
`2 188` view save

correct output
`914862760` view save

user output
`800487427` view save

Test 29

Verdict: WRONG ANSWER

input
`5 611` view save

correct output
`386811672` view save

user output
`414201254` view save

Test 30

Verdict: TIME LIMIT EXCEEDED

input
`4 672099` view save

correct output
`5039638` view save

user output
(empty)

Test 31

Verdict: WRONG ANSWER

input
`77 10` view save

correct output
`1` view save

user output
`0` view save

Test 32

Verdict: WRONG ANSWER

input
`76 1` view save

correct output
`1` view save

user output
`0` view save

Test 33

Verdict: WRONG ANSWER

input
`80 7` view save

correct output
`1` view save

user output
`0` view save

Test 34

Verdict: WRONG ANSWER

input
`72 56` view save

correct output
`1` view save

user output
`0` view save

Test 35

Verdict: ACCEPTED

input
`57 97` view save

correct output
`42` view save

user output
`42` view save

Test 36

Verdict: ACCEPTED

input
`54 58` view save

correct output
`6` view save

user output
`6` view save

Test 37

Verdict: WRONG ANSWER

input
`50 639` view save

correct output
`373574336` view save

user output
`527604188` view save

Test 38

Verdict: ACCEPTED

input
`58 195` view save

correct output
`5403` view save

user output
`5403` view save

Test 39

Verdict: WRONG ANSWER

input
`61 694` view save

correct output
`605984493` view save

user output
`730281750` view save

Test 40

Verdict: TIME LIMIT EXCEEDED

input
`9 616206422053543989` view save

correct output
`952862778` view save

user output
(empty)

Test 41

Verdict: TIME LIMIT EXCEEDED

input
`6 169825965437345849` view save

correct output
`513277084` view save

user output
(empty)

Test 42

Verdict: TIME LIMIT EXCEEDED

input
`5 191867851255868863` view save

correct output
`33742481` view save

user output
(empty)

Test 43

Verdict: TIME LIMIT EXCEEDED

input
`9 625431978270398522` view save

correct output
`737838270` view save

user output
(empty)

Test 44

Verdict: TIME LIMIT EXCEEDED

input
`8 688779226095035965` view save

correct output
`162344930` view save

user output
(empty)

Test 45

Verdict: TIME LIMIT EXCEEDED

input
`10 802140689263714569` view save

correct output
`90271065` view save

user output
(empty)

Test 46

Verdict: TIME LIMIT EXCEEDED

input
`6 326105735534681902` view save

correct output
`815511427` view save

user output
(empty)

Test 47

Verdict: TIME LIMIT EXCEEDED

input
`6 714378023239269070` view save

correct output
`974264931` view save

user output
(empty)

Test 48

Verdict: TIME LIMIT EXCEEDED

input
`8 389060406667759103` view save

correct output
`997632165` view save

user output
(empty)

Test 49

Verdict: TIME LIMIT EXCEEDED

input
`5 752611790930241374` view save

correct output
`663785595` view save

user output
(empty)

Test 50

Verdict: TIME LIMIT EXCEEDED

input
`9 616206422053543989` view save

correct output
`952862778` view save

user output
(empty)

Test 51

Verdict: TIME LIMIT EXCEEDED

input
`9 616206422053543989` view save

correct output
`952862778` view save

user output
(empty)

Test 52

Verdict: TIME LIMIT EXCEEDED

input
`10 292432805466778024` view save

correct output
`54188787` view save

user output
(empty)

Test 53

Verdict: TIME LIMIT EXCEEDED

input
`12 877206118126603157` view save

correct output
`50978391` view save

user output
(empty)

Test 54

Verdict: TIME LIMIT EXCEEDED

input
`15 106209626593822568` view save

correct output
`26611817` view save

user output
(empty)

Test 55

Verdict: TIME LIMIT EXCEEDED

input
`20 599479100988098599` view save

correct output
`119658586` view save

user output
(empty)

Test 56

Verdict: TIME LIMIT EXCEEDED

input
`19 751085324932436268` view save

correct output
`362164431` view save

user output
(empty)

Test 57

Verdict: TIME LIMIT EXCEEDED

input
`13 653792349017119940` view save

correct output
`727329363` view save

user output
(empty)

Test 58

Verdict: TIME LIMIT EXCEEDED

input
`14 922927469528725341` view save

correct output
`702679243` view save

user output
(empty)

Test 59

Verdict: TIME LIMIT EXCEEDED

input
`18 278820978471154000` view save

correct output
`447470474` view save

user output
(empty)

Test 60

Verdict: TIME LIMIT EXCEEDED

input
`19 595145428494262541` view save

correct output
`321383191` view save

user output
(empty)

Test 61

Verdict: TIME LIMIT EXCEEDED

input
`16 733419934325111819` view save

correct output
`603915854` view save

user output
(empty)

Test 62

Verdict: TIME LIMIT EXCEEDED

input
`42 977794035917013551` view save

correct output
`535001165` view save

user output
(empty)

Test 63

Verdict: TIME LIMIT EXCEEDED

input
`46 107297864267805308` view save

correct output
`557129508` view save

user output
(empty)

Test 64

Verdict: TIME LIMIT EXCEEDED

input
`47 423649320883482177` view save

correct output
`894439428` view save

user output
(empty)

Test 65

Verdict: TIME LIMIT EXCEEDED

input
`35 923635615021083310` view save

correct output
`306200203` view save

user output
(empty)

Test 66

Verdict: TIME LIMIT EXCEEDED

input
`27 119042622192684556` view save

correct output
`95698341` view save

user output
(empty)

Test 67

Verdict: TIME LIMIT EXCEEDED

input
`50 394425873219136058` view save

correct output
`461849248` view save

user output
(empty)

Test 68

Verdict: TIME LIMIT EXCEEDED

input
`27 702344952743354850` view save

correct output
`361328763` view save

user output
(empty)

Test 69

Verdict: TIME LIMIT EXCEEDED

input
`34 148052957467783205` view save

correct output
`883611228` view save

user output
(empty)

Test 70

Verdict: TIME LIMIT EXCEEDED

input
`49 120057477600708020` view save

correct output
`411727310` view save

user output
(empty)

Test 71

Verdict: TIME LIMIT EXCEEDED

input
`77 985532091144101696` view save

correct output
`533259046` view save

user output
(empty)

Test 72

Verdict: TIME LIMIT EXCEEDED

input
`76 62568531781086688` view save

correct output
`111230040` view save

user output
(empty)

Test 73

Verdict: TIME LIMIT EXCEEDED

input
`80 638842883372078079` view save

correct output
`843571033` view save

user output
(empty)

Test 74

Verdict: TIME LIMIT EXCEEDED

input
`72 568029317340376926` view save

correct output
`760917479` view save

user output
(empty)

Test 75

Verdict: TIME LIMIT EXCEEDED

input
`57 993363883840818838` view save

correct output
`125996687` view save

user output
(empty)

Test 76

Verdict: TIME LIMIT EXCEEDED

input
`54 587462523883449402` view save

correct output
`707247678` view save

user output
(empty)

Test 77

Verdict: TIME LIMIT EXCEEDED

input
`50 654341799647462242` view save

correct output
`823275735` view save

user output
(empty)

Test 78

Verdict: TIME LIMIT EXCEEDED

input
`58 198843859011456415` view save

correct output
`392227014` view save

user output
(empty)

Test 79

Verdict: TIME LIMIT EXCEEDED

input
`61 710225245014179861` view save

correct output
`352309063` view save

user output
(empty)

Test 80

Verdict: TIME LIMIT EXCEEDED

input
`81 435847411137743327` view save

correct output
`639314946` view save

user output
(empty)

Aalto Competitive Programming 2024 - wk11 - Mon

Fibonacci towers

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Test 38

Test 39

Test 40

Test 41

Test 42

Test 43

Test 44

Test 45

Test 46

Test 47

Test 48

Test 49

Test 50

Test 51

Test 52

Test 53

Test 54

Test 55

Test 56

Test 57

Test 58

Test 59

Test 60

Test 61

Test 62

Test 63

Test 64

Test 65

Test 66

Test 67

Test 68

Test 69

Test 70

Test 71

Test 72

Test 73

Test 74

Test 75

Test 76