CSES - Aalto Competitive Programming 2026 - wk1 - Wed

Submission details
Task:	Scorpion and frogs
Sender:	aalto26aw_012
Submission time:	2026-09-02 17:49:29 +0300
Language:	C++ (C++11)
Status:	READY
Result:	WRONG ANSWER

Test results
test	verdict	time
#1	ACCEPTED	0.00 s	details
#2	ACCEPTED	0.00 s	details
#3	ACCEPTED	0.00 s	details
#4	WRONG ANSWER	0.00 s	details
#5	WRONG ANSWER	0.00 s	details
#6	WRONG ANSWER	0.00 s	details
#7	WRONG ANSWER	0.00 s	details
#8	WRONG ANSWER	0.00 s	details
#9	WRONG ANSWER	0.00 s	details
#10	WRONG ANSWER	0.00 s	details
#11	WRONG ANSWER	0.00 s	details
#12	WRONG ANSWER	0.00 s	details
#13	WRONG ANSWER	0.00 s	details
#14	WRONG ANSWER	0.00 s	details
#15	WRONG ANSWER	0.00 s	details
#16	WRONG ANSWER	0.01 s	details
#17	WRONG ANSWER	0.01 s	details
#18	WRONG ANSWER	0.01 s	details
#19	WRONG ANSWER	0.01 s	details
#20	WRONG ANSWER	0.01 s	details
#21	TIME LIMIT EXCEEDED	--	details
#22	TIME LIMIT EXCEEDED	--	details
#23	TIME LIMIT EXCEEDED	--	details
#24	TIME LIMIT EXCEEDED	--	details
#25	TIME LIMIT EXCEEDED	--	details
#26	TIME LIMIT EXCEEDED	--	details
#27	TIME LIMIT EXCEEDED	--	details
#28	TIME LIMIT EXCEEDED	--	details
#29	TIME LIMIT EXCEEDED	--	details
#30	TIME LIMIT EXCEEDED	--	details
#31	TIME LIMIT EXCEEDED	--	details
#32	TIME LIMIT EXCEEDED	--	details
#33	TIME LIMIT EXCEEDED	--	details
#34	TIME LIMIT EXCEEDED	--	details
#35	TIME LIMIT EXCEEDED	--	details
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#37	TIME LIMIT EXCEEDED	--	details
#38	TIME LIMIT EXCEEDED	--	details
#39	TIME LIMIT EXCEEDED	--	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

Code

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

void search(vector<bool>& usableFrogs, int numFrogs, int step, int& counter)
{
    if (step == numFrogs)
    {
        counter++;
        return;
    }
    for (int i = step; i < numFrogs; i++)
    {
        usableFrogs[i] = false;
        search(usableFrogs, numFrogs, i+1, counter);
        usableFrogs[i] = true;
    }
}

int main()
{
    int numFrogs;
    cin >> numFrogs;

    int waysOfCrossing = 1;
    vector<bool> usableFrogs(numFrogs, true);
    search(usableFrogs, numFrogs, 0, waysOfCrossing);
    cout << waysOfCrossing;
}

Test details

Test 1

Verdict: ACCEPTED

input
`1` view save

correct output
`2` view save

user output
`2` view save

Test 2

Verdict: ACCEPTED

input
`2` view save

correct output
`3` view save

user output
`3` view save

Test 3

Verdict: ACCEPTED

input
`3` view save

correct output
`5` view save

user output
`5` view save

Test 4

Verdict: WRONG ANSWER

input
`4` view save

correct output
`8` view save

user output
`9` view save

Test 5

Verdict: WRONG ANSWER

input
`5` view save

correct output
`13` view save

user output
`17` view save

Test 6

Verdict: WRONG ANSWER

input
`6` view save

correct output
`21` view save

user output
`33` view save

Test 7

Verdict: WRONG ANSWER

input
`7` view save

correct output
`34` view save

user output
`65` view save

Test 8

Verdict: WRONG ANSWER

input
`8` view save

correct output
`55` view save

user output
`129` view save

Test 9

Verdict: WRONG ANSWER

input
`9` view save

correct output
`89` view save

user output
`257` view save

Test 10

Verdict: WRONG ANSWER

input
`10` view save

correct output
`144` view save

user output
`513` view save

Test 11

Verdict: WRONG ANSWER

input
`11` view save

correct output
`233` view save

user output
`1025` view save

Test 12

Verdict: WRONG ANSWER

input
`12` view save

correct output
`377` view save

user output
`2049` view save

Test 13

Verdict: WRONG ANSWER

input
`13` view save

correct output
`610` view save

user output
`4097` view save

Test 14

Verdict: WRONG ANSWER

input
`14` view save

correct output
`987` view save

user output
`8193` view save

Test 15

Verdict: WRONG ANSWER

input
`15` view save

correct output
`1597` view save

user output
`16385` view save

Test 16

Verdict: WRONG ANSWER

input
`16` view save

correct output
`2584` view save

user output
`32769` view save

Test 17

Verdict: WRONG ANSWER

input
`17` view save

correct output
`4181` view save

user output
`65537` view save

Test 18

Verdict: WRONG ANSWER

input
`18` view save

correct output
`6765` view save

user output
`131073` view save

Test 19

Verdict: WRONG ANSWER

input
`19` view save

correct output
`10946` view save

user output
`262145` view save

Test 20

Verdict: WRONG ANSWER

input
`20` view save

correct output
`17711` view save

user output
`524289` view save

Test 21

Verdict: TIME LIMIT EXCEEDED

input
`30` view save

correct output
`2178309` view save

user output
(empty)

Test 22

Verdict: TIME LIMIT EXCEEDED

input
`40` view save

correct output
`267914296` view save

user output
(empty)

Test 23

Verdict: TIME LIMIT EXCEEDED

input
`50` view save

correct output
`9216450` view save

user output
(empty)

Test 24

Verdict: TIME LIMIT EXCEEDED

input
`60` view save

correct output
`865709054` view save

user output
(empty)

Test 25

Verdict: TIME LIMIT EXCEEDED

input
`70` view save

correct output
`659095774` view save

user output
(empty)

Test 26

Verdict: TIME LIMIT EXCEEDED

input
`80` view save

correct output
`343522908` view save

user output
(empty)

Test 27

Verdict: TIME LIMIT EXCEEDED

input
`90` view save

correct output
`666203437` view save

user output
(empty)

Test 28

Verdict: TIME LIMIT EXCEEDED

input
`100` view save

correct output
`741707250` view save

user output
(empty)

Test 29

Verdict: TIME LIMIT EXCEEDED

input
`200` view save

correct output
`319277240` view save

user output
(empty)

Test 30

Verdict: TIME LIMIT EXCEEDED

input
`300` view save

correct output
`12089690` view save

user output
(empty)

Test 31

Verdict: TIME LIMIT EXCEEDED

input
`400` view save

correct output
`356073916` view save

user output
(empty)

Test 32

Verdict: TIME LIMIT EXCEEDED

input
`500` view save

correct output
`831535149` view save

user output
(empty)

Test 33

Verdict: TIME LIMIT EXCEEDED

input
`600` view save

correct output
`627858041` view save

user output
(empty)

Test 34

Verdict: TIME LIMIT EXCEEDED

input
`700` view save

correct output
`894762479` view save

user output
(empty)

Test 35

Verdict: TIME LIMIT EXCEEDED

input
`800` view save

correct output
`695610340` view save

user output
(empty)

Test 36

Verdict: TIME LIMIT EXCEEDED

input
`900` view save

correct output
`120428339` view save

user output
(empty)

Test 37

Verdict: TIME LIMIT EXCEEDED

input
`1000` view save

correct output
`506723686` view save

user output
(empty)

Test 38

Verdict: TIME LIMIT EXCEEDED

input
`2000` view save

correct output
`118272245` view save

user output
(empty)

Test 39

Verdict: TIME LIMIT EXCEEDED

input
`3000` view save

correct output
`50602578` view save

user output
(empty)

Test 40

Verdict: TIME LIMIT EXCEEDED

input
`4000` view save

correct output
`38687300` view save

user output
(empty)

Test 41

Verdict: TIME LIMIT EXCEEDED

input
`5000` view save

correct output
`644069919` view save

user output
(empty)

Test 42

Verdict: TIME LIMIT EXCEEDED

input
`6000` view save

correct output
`905964874` view save

user output
(empty)

Test 43

Verdict: TIME LIMIT EXCEEDED

input
`7000` view save

correct output
`917351342` view save

user output
(empty)

Test 44

Verdict: TIME LIMIT EXCEEDED

input
`8000` view save

correct output
`606465604` view save

user output
(empty)

Test 45

Verdict: TIME LIMIT EXCEEDED

input
`9000` view save

correct output
`676429656` view save

user output
(empty)

Test 46

Verdict: TIME LIMIT EXCEEDED

input
`10000` view save

correct output
`634342956` view save

user output
(empty)

Test 47

Verdict: TIME LIMIT EXCEEDED

input
`20000` view save

correct output
`215568895` view save

user output
(empty)

Test 48

Verdict: TIME LIMIT EXCEEDED

input
`30000` view save

correct output
`54808147` view save

user output
(empty)

Test 49

Verdict: TIME LIMIT EXCEEDED

input
`40000` view save

correct output
`242971895` view save

user output
(empty)

Test 50

Verdict: TIME LIMIT EXCEEDED

input
`50000` view save

correct output
`575576968` view save

user output
(empty)

Test 51

Verdict: TIME LIMIT EXCEEDED

input
`60000` view save

correct output
`923159168` view save

user output
(empty)

Test 52

Verdict: TIME LIMIT EXCEEDED

input
`70000` view save

correct output
`621454924` view save

user output
(empty)

Test 53

Verdict: TIME LIMIT EXCEEDED

input
`80000` view save

correct output
`562709198` view save

user output
(empty)

Test 54

Verdict: TIME LIMIT EXCEEDED

input
`90000` view save

correct output
`389404104` view save

user output
(empty)

Test 55

Verdict: TIME LIMIT EXCEEDED

input
`100000` view save

correct output
`66655788` view save

user output
(empty)

Aalto Competitive Programming 2026 - wk1 - Wed

Scorpion and frogs

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

Tasks

Submissions (aalto26aw_012)