CSES - Aalto Competitive Programming 2025 - wk1 - Wed

Submission details
Task:	Scorpion and frogs
Sender:	aalto25a_009
Submission time:	2025-09-03 17:38:09 +0300
Language:	C++ (C++17)
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	0.01 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	0.00 s	details
#17	WRONG ANSWER	0.00 s	details
#18	WRONG ANSWER	0.00 s	details
#19	WRONG ANSWER	0.00 s	details
#20	WRONG ANSWER	0.00 s	details
#21	WRONG ANSWER	0.00 s	details
#22	WRONG ANSWER	0.00 s	details
#23	WRONG ANSWER	0.00 s	details
#24	WRONG ANSWER	0.00 s	details
#25	WRONG ANSWER	0.00 s	details
#26	WRONG ANSWER	0.00 s	details
#27	WRONG ANSWER	0.00 s	details
#28	WRONG ANSWER	0.00 s	details
#29	WRONG ANSWER	0.00 s	details
#30	WRONG ANSWER	0.00 s	details
#31	WRONG ANSWER	0.00 s	details
#32	WRONG ANSWER	0.00 s	details
#33	WRONG ANSWER	0.00 s	details
#34	WRONG ANSWER	0.00 s	details
#35	WRONG ANSWER	0.00 s	details
#36	WRONG ANSWER	0.00 s	details
#37	WRONG ANSWER	0.00 s	details
#38	WRONG ANSWER	0.00 s	details
#39	WRONG ANSWER	0.00 s	details
#40	WRONG ANSWER	0.00 s	details
#41	WRONG ANSWER	0.00 s	details
#42	WRONG ANSWER	0.00 s	details
#43	WRONG ANSWER	0.00 s	details
#44	WRONG ANSWER	0.00 s	details
#45	WRONG ANSWER	0.00 s	details
#46	WRONG ANSWER	0.00 s	details
#47	WRONG ANSWER	0.00 s	details
#48	WRONG ANSWER	0.00 s	details
#49	WRONG ANSWER	0.00 s	details
#50	WRONG ANSWER	0.00 s	details
#51	WRONG ANSWER	0.00 s	details
#52	WRONG ANSWER	0.00 s	details
#53	WRONG ANSWER	0.00 s	details
#54	WRONG ANSWER	0.00 s	details
#55	WRONG ANSWER	0.00 s	details

Code

#include <bits/stdc++.h>
using namespace std;

void solve() {
  long long n;
  long long a[100001];
  long long ans = 0;
  
  cin >> n;
  for (long long i = 1; i <= n; i++) a[i] = 1;
  
  for (long long i = 3; i <= n; i++) a[i] += a[i - 2];
  
  for (long long i = 1; i <= n; i++) ans += a[i];
  
  cout << (ans + 1) % 998244353;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    solve();

    return 0;
}

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
`7` view save

Test 5

Verdict: WRONG ANSWER

input
`5` view save

correct output
`13` view save

user output
`10` view save

Test 6

Verdict: WRONG ANSWER

input
`6` view save

correct output
`21` view save

user output
`13` view save

Test 7

Verdict: WRONG ANSWER

input
`7` view save

correct output
`34` view save

user output
`17` view save

Test 8

Verdict: WRONG ANSWER

input
`8` view save

correct output
`55` view save

user output
`21` view save

Test 9

Verdict: WRONG ANSWER

input
`9` view save

correct output
`89` view save

user output
`26` view save

Test 10

Verdict: WRONG ANSWER

input
`10` view save

correct output
`144` view save

user output
`31` view save

Test 11

Verdict: WRONG ANSWER

input
`11` view save

correct output
`233` view save

user output
`37` view save

Test 12

Verdict: WRONG ANSWER

input
`12` view save

correct output
`377` view save

user output
`43` view save

Test 13

Verdict: WRONG ANSWER

input
`13` view save

correct output
`610` view save

user output
`50` view save

Test 14

Verdict: WRONG ANSWER

input
`14` view save

correct output
`987` view save

user output
`57` view save

Test 15

Verdict: WRONG ANSWER

input
`15` view save

correct output
`1597` view save

user output
`65` view save

Test 16

Verdict: WRONG ANSWER

input
`16` view save

correct output
`2584` view save

user output
`73` view save

Test 17

Verdict: WRONG ANSWER

input
`17` view save

correct output
`4181` view save

user output
`82` view save

Test 18

Verdict: WRONG ANSWER

input
`18` view save

correct output
`6765` view save

user output
`91` view save

Test 19

Verdict: WRONG ANSWER

input
`19` view save

correct output
`10946` view save

user output
`101` view save

Test 20

Verdict: WRONG ANSWER

input
`20` view save

correct output
`17711` view save

user output
`111` view save

Test 21

Verdict: WRONG ANSWER

input
`30` view save

correct output
`2178309` view save

user output
`241` view save

Test 22

Verdict: WRONG ANSWER

input
`40` view save

correct output
`267914296` view save

user output
`421` view save

Test 23

Verdict: WRONG ANSWER

input
`50` view save

correct output
`9216450` view save

user output
`651` view save

Test 24

Verdict: WRONG ANSWER

input
`60` view save

correct output
`865709054` view save

user output
`931` view save

Test 25

Verdict: WRONG ANSWER

input
`70` view save

correct output
`659095774` view save

user output
`1261` view save

Test 26

Verdict: WRONG ANSWER

input
`80` view save

correct output
`343522908` view save

user output
`1641` view save

Test 27

Verdict: WRONG ANSWER

input
`90` view save

correct output
`666203437` view save

user output
`2071` view save

Test 28

Verdict: WRONG ANSWER

input
`100` view save

correct output
`741707250` view save

user output
`2551` view save

Test 29

Verdict: WRONG ANSWER

input
`200` view save

correct output
`319277240` view save

user output
`10101` view save

Test 30

Verdict: WRONG ANSWER

input
`300` view save

correct output
`12089690` view save

user output
`22651` view save

Test 31

Verdict: WRONG ANSWER

input
`400` view save

correct output
`356073916` view save

user output
`40201` view save

Test 32

Verdict: WRONG ANSWER

input
`500` view save

correct output
`831535149` view save

user output
`62751` view save

Test 33

Verdict: WRONG ANSWER

input
`600` view save

correct output
`627858041` view save

user output
`90301` view save

Test 34

Verdict: WRONG ANSWER

input
`700` view save

correct output
`894762479` view save

user output
`122851` view save

Test 35

Verdict: WRONG ANSWER

input
`800` view save

correct output
`695610340` view save

user output
`160401` view save

Test 36

Verdict: WRONG ANSWER

input
`900` view save

correct output
`120428339` view save

user output
`202951` view save

Test 37

Verdict: WRONG ANSWER

input
`1000` view save

correct output
`506723686` view save

user output
`250501` view save

Test 38

Verdict: WRONG ANSWER

input
`2000` view save

correct output
`118272245` view save

user output
`1001001` view save

Test 39

Verdict: WRONG ANSWER

input
`3000` view save

correct output
`50602578` view save

user output
`2251501` view save

Test 40

Verdict: WRONG ANSWER

input
`4000` view save

correct output
`38687300` view save

user output
`4002001` view save

Test 41

Verdict: WRONG ANSWER

input
`5000` view save

correct output
`644069919` view save

user output
`6252501` view save

Test 42

Verdict: WRONG ANSWER

input
`6000` view save

correct output
`905964874` view save

user output
`9003001` view save

Test 43

Verdict: WRONG ANSWER

input
`7000` view save

correct output
`917351342` view save

user output
`12253501` view save

Test 44

Verdict: WRONG ANSWER

input
`8000` view save

correct output
`606465604` view save

user output
`16004001` view save

Test 45

Verdict: WRONG ANSWER

input
`9000` view save

correct output
`676429656` view save

user output
`20254501` view save

Test 46

Verdict: WRONG ANSWER

input
`10000` view save

correct output
`634342956` view save

user output
`25005001` view save

Test 47

Verdict: WRONG ANSWER

input
`20000` view save

correct output
`215568895` view save

user output
`100010001` view save

Test 48

Verdict: WRONG ANSWER

input
`30000` view save

correct output
`54808147` view save

user output
`225015001` view save

Test 49

Verdict: WRONG ANSWER

input
`40000` view save

correct output
`242971895` view save

user output
`400020001` view save

Test 50

Verdict: WRONG ANSWER

input
`50000` view save

correct output
`575576968` view save

user output
`625025001` view save

Test 51

Verdict: WRONG ANSWER

input
`60000` view save

correct output
`923159168` view save

user output
`900030001` view save

Test 52

Verdict: WRONG ANSWER

input
`70000` view save

correct output
`621454924` view save

user output
`226790648` view save

Test 53

Verdict: WRONG ANSWER

input
`80000` view save

correct output
`562709198` view save

user output
`601795648` view save

Test 54

Verdict: WRONG ANSWER

input
`90000` view save

correct output
`389404104` view save

user output
`28556295` view save

Test 55

Verdict: WRONG ANSWER

input
`100000` view save

correct output
`66655788` view save

user output
`503561295` view save

Aalto Competitive Programming 2025 - 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 (aalto25a_009)