CSES - Aalto Competitive Programming 2026 - wk5 - Mon

Submission details
Task:	Freight trains
Sender:	aalto26em_003
Submission time:	2026-09-28 17:33:32 +0300
Language:	C++ (C++23)
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	ACCEPTED	0.00 s	details
#5	WRONG ANSWER	0.00 s	details
#6	ACCEPTED	0.00 s	details
#7	ACCEPTED	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	0.00 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	0.01 s	details
#53	WRONG ANSWER	0.01 s	details
#54	WRONG ANSWER	0.01 s	details
#55	WRONG ANSWER	0.01 s	details
#56	WRONG ANSWER	0.01 s	details
#57	WRONG ANSWER	0.01 s	details
#58	WRONG ANSWER	0.01 s	details
#59	WRONG ANSWER	0.01 s	details
#60	WRONG ANSWER	0.01 s	details
#61	WRONG ANSWER	0.01 s	details
#62	WRONG ANSWER	0.19 s	details
#63	WRONG ANSWER	0.18 s	details
#64	WRONG ANSWER	0.09 s	details
#65	WRONG ANSWER	0.11 s	details
#66	WRONG ANSWER	0.22 s	details
#67	WRONG ANSWER	0.08 s	details
#68	WRONG ANSWER	0.08 s	details
#69	WRONG ANSWER	0.11 s	details
#70	WRONG ANSWER	0.36 s	details
#71	WRONG ANSWER	0.13 s	details

Code

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

int main(int argc, char **argv) {
    int n;
    std::cin >> n;

    std::vector<std::string> trains;
    for (int i=0; i<n; i++) {
        std::string s;
        std::cin >> s;
        trains.push_back(s);
    }

    std::sort(trains.begin(), trains.end(), [](std::string &a, std::string &b){
        bool is_first_string_first = a > b;
        bool is_first_one_longer = b.length() < a.length();
        return is_first_string_first && is_first_one_longer;
    });

    for (std::string s : trains) {
        std::cout << s;
    }
    std::cout << std::endl;

    return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
`1 gl` view save

correct output
`gl` view save

user output
`gl` view save

Test 2

Verdict: ACCEPTED

input
`2 adedf ff` view save

correct output
`adedfff` view save

user output
`adedfff` view save

Test 3

Verdict: ACCEPTED

input
`2 jb lj` view save

correct output
`jblj` view save

user output
`jblj` view save

Test 4

Verdict: ACCEPTED

input
`2 qlipb sr` view save

correct output
`qlipbsr` view save

user output
`qlipbsr` view save

Test 5

Verdict: WRONG ANSWER

input
`3 f llk onfj` view save

correct output
`fllkonfj` view save

user output
`onfjllkf` view save

Test 6

Verdict: ACCEPTED

input
`3 jaeo mob nk` view save

correct output
`jaeomobnk` view save

user output
`jaeomobnk` view save

Test 7

Verdict: ACCEPTED

input
`3 nemlo psqhy sg` view save

correct output
`nemlopsqhysg` view save

user output
`nemlopsqhysg` view save

Test 8

Verdict: WRONG ANSWER

input
`4 dia eh fbcae gf` view save

correct output
`diaehfbcaegf` view save

user output
`fbcaediaehgf` view save

Test 9

Verdict: WRONG ANSWER

input
`4 c cbfaa egbg fc` view save

correct output
`cbfaacegbgfc` view save

user output
`cbfaaegbgfcc` view save

Test 10

Verdict: WRONG ANSWER

input
`4 cbc cdd ceed dbeea` view save

correct output
`cbccddceeddbeea` view save

user output
`dbeeaceedcbccdd` view save

Test 11

Verdict: WRONG ANSWER

input
`4 bfec bgbaf fcg fdbbg` view save

correct output
`bfecbgbaffcgfdbbg` view save

user output
`bgbaffdbbgbfecfcg` view save

Test 12

Verdict: WRONG ANSWER

input
`5 aoefh ge imgjj kmj ...` view save

correct output
`aoefhgeimgjjkmjmhhi` view save

user output
`aoefhimgjjmhhikmjge` view save

Test 13

Verdict: WRONG ANSWER

input
`5 bcbec ei fdigc ilabd ...` view save

correct output
`bcbeceifdigcilabdlg` view save

user output
`bcbecfdigcilabdeilg` view save

Test 14

Verdict: WRONG ANSWER

input
`5 a d db glfff ...` view save

correct output
`adbdglfffih` view save

user output
`glfffdbihad` view save

Test 15

Verdict: WRONG ANSWER

input
`5 ab d ebhin k ...` view save

correct output
`abdebhinknab` view save

user output
`ebhinnababdk` view save

Test 16

Verdict: WRONG ANSWER

input
`5 fasgx o oezws qua ...` view save

correct output
`fasgxoezwsoquaspfd` view save

user output
`fasgxoezwsspfdquao` view save

Test 17

Verdict: WRONG ANSWER

input
`5 bcggd dcg e fc ...` view save

correct output
`bcggddcgefcg` view save

user output
`bcggddcgfceg` view save

Test 18

Verdict: WRONG ANSWER

input
`5 cmo cx hftbb mil ...` view save

correct output
`cmocxhftbbmiltksr` view save

user output
`hftbbtksrcmomilcx` view save

Test 19

Verdict: WRONG ANSWER

input
`5 ab ababa b ca ...` view save

correct output
`ababaabbcaccb` view save

user output
`ababaccbabcab` view save

Test 20

Verdict: WRONG ANSWER

input
`5 o rjj sfj ti ...` view save

correct output
`orjjsfjtiw` view save

user output
`rjjsfjtiow` view save

Test 21

Verdict: WRONG ANSWER

input
`5 a aa aaa abbab ...` view save

correct output
`aaaaaaabbabba` view save

user output
`abbabaaaaabaa` view save

Test 22

Verdict: WRONG ANSWER

input
`10 aoefh f ge hlmgh ...` view save

correct output
`aoefhfgehlmghimgjjjkmjmhhinmol...` view save

user output
`aoefhhlmghimgjjolcnnmhhikmjgen...` view save

Test 23

Verdict: WRONG ANSWER

input
`10 bcbec cjjil dbigk ei ...` view save

correct output
`bcbeccjjildbigkeifdigcgfbikfil...` view save

user output
`bcbeccjjildbigkfdigcilabdgfbik...` view save

Test 24

Verdict: WRONG ANSWER

input
`10 a cij d db ...` view save

correct output
`acijdbddhhekcgibfgglfffihkg` view save

user output
`gibfgglfffcijdhhekcdbihkgad` view save

Test 25

Verdict: WRONG ANSWER

input
`10 ab d ebhin fk ...` view save

correct output
`abdebhinfkgjdinaiodgkacknab` view save

user output
`ebhiniodggjdinakacnababfkdk` view save

Test 26

Verdict: WRONG ANSWER

input
`10 buywl fasgx gb jzpek ...` view save

correct output
`buywlfasgxgbjzpekoezwsoquaspfd...` view save

user output
`buywlfasgxjzpekoezwsspfdyvlaqu...` view save

Test 27

Verdict: WRONG ANSWER

input
`10 acg bcggd dcg dede ...` view save

correct output
`acgbcggddcgdedeefcfdbbfgabbg` view save

user output
`bcggddedefdbbgabbacgdcgfcefg` view save

Test 28

Verdict: WRONG ANSWER

input
`10 cmo cx dpr dtir ...` view save

correct output
`cmocxdprdtirhftbbmfmiltksrttkb...` view save

user output
`hftbbttkbqvtljqdtirtksrcmodprm...` view save

Test 29

Verdict: WRONG ANSWER

input
`10 ab ababa abbc b ...` view save

correct output
`ababaababbcbbbcaccbcccccc` view save

user output
`ababaabbcccbcccabbbcaccbc` view save

Test 30

Verdict: WRONG ANSWER

input
`10 dmq gl j jqso ...` view save

correct output
`dmqgljjqsoorjjsfjtiulvw` view save

user output
`jqsodmqrjjsfjulvgltijow` view save

Test 31

Verdict: WRONG ANSWER

input
`10 a aa aaa abbab ...` view save

correct output
`aaaaaaabbabbabbabbabbbbbabbbbb` view save

user output
`abbabbbbbabbabbbbbaaabbaaabaab` view save

Test 32

Verdict: WRONG ANSWER

input
`100 aa acmfac afmolcn alllbndbli ...` view save

correct output
`aaacmfacafmolcnalllbndbliamdal...` view save

user output
`oobjdjcjidgghdjcfjkialchjaiilk...` view save

Test 33

Verdict: WRONG ANSWER

input
`100 a acjgj ae aegdb ...` view save

correct output
`aacjgjaeaegdbafcbahledfchagaja...` view save

user output
`kaddiffeecifegajgahbilabdlbcbe...` view save

Test 34

Verdict: WRONG ANSWER

input
`100 a aah abaeeaifc abajl ...` view save

correct output
`aaahabaeeaifcabajlaehaejcdegka...` view save

user output
`liciljadeihijfcldfjadbkflcjhgj...` view save

Test 35

Verdict: WRONG ANSWER

input
`100 a aa abg abndfmmmk ...` view save

correct output
`aaaabgabndfmmmkacggjdeacogeada...` view save

user output
`omohaiibmlnnfjlkinjkmiknhmmfll...` view save

Test 36

Verdict: WRONG ANSWER

input
`100 afn aic ajrkgzldb amcyqyh ...` view save

correct output
`afnaicajrkgzldbamcyqyhandanxhj...` view save

user output
`zitxcepkfoezwspspfdojgyebcocps...` view save

Test 37

Verdict: WRONG ANSWER

input
`100 aacdeffdd abaacbae abfbbff ac ...` view save

correct output
`aacdeffddabaacbaeabfbbffacacbg...` view save

user output
`fddbdgagaffcbgfcaafdfbgeafgffa...` view save

Test 38

Verdict: WRONG ANSWER

input
`100 abnfxhutgk ajkdoqmdqp asxeblm badpwpsqhn ...` view save

correct output
`abnfxhutgkajkdoqmdqpasxeblmbad...` view save

user output
`xvtljqvtngnvcibgnqohcknqtcvepf...` view save

Test 39

Verdict: WRONG ANSWER

input
`100 a aa aaaaacaca aaaabcabc ...` view save

correct output
`aaaaaaaacacaaaaabcabcaaabaaaab...` view save

user output
`cbaaccabcbbcbcbbbccbbbacbbabca...` view save

Test 40

Verdict: WRONG ANSWER

input
`100 a aiesfhkro aivvkdc ajrtj ...` view save

correct output
`aaiesfhkroaivvkdcajrtjaqfnivlb...` view save

user output
`wwiiltfwhmcnrqwhrjlmhqgiklopen...` view save

Test 41

Verdict: WRONG ANSWER

input
`100 a aa aaaa aaaaa ...` view save

correct output
`aaaaaaaaaaaaaaaaaaaaaaaaaaabab...` view save

user output
`baabbaaabbaaaabbbbaaaababbbabb...` view save

Test 42

Verdict: WRONG ANSWER

input
`200 a aa abbhjifdb acmfac ...` view save

correct output
`aaaabbhjifdbacmfacadiadnhkaehh...` view save

user output
`jkialchjainenfjiemndfkfankbnnc...` view save

Test 43

Verdict: WRONG ANSWER

input
`200 a aa abihiahg acjgj ...` view save

correct output
`aaaabihiahgacjgjadaeaegdbafcba...` view save

user output
`kaddiffeecjhfadljiglkjhgdaddkg...` view save

Test 44

Verdict: WRONG ANSWER

input
`200 a aah abaeeaifc abajl ...` view save

correct output
`aaahabaeeaifcabajlaehaejcdegka...` view save

user output
`kllhljeejikciiahhjdkekadklcigd...` view save

Test 45

Verdict: WRONG ANSWER

input
`200 a aa aan abg ...` view save

correct output
`aaaaanabgabndfmmmkacggjdeacoge...` view save

user output
`omohaiibmlomnibcdnmgmcbmlljjng...` view save

Test 46

Verdict: WRONG ANSWER

input
`200 ad aegewtfc afn aic ...` view save

correct output
`adaegewtfcafnaicajrkgzldbamcyq...` view save

user output
`wgwmvtlneawlelbbpeewtntjepedpk...` view save

Test 47

Verdict: WRONG ANSWER

input
`200 a aa aacdeffdd aaeceaeb ...` view save

correct output
`aaaaacdeffddaaeceaebabaacbaeab...` view save

user output
`ffeggfabgefgaabadbaaffgcbfebdf...` view save

Test 48

Verdict: WRONG ANSWER

input
`200 abnfxhutgk aghv ajkdoqmdqp ajpvvalnu ...` view save

correct output
`abnfxhutgkaghvajkdoqmdqpajpvva...` view save

user output
`qtobewhprjvhmjfxbivgvxxtcvvelo...` view save

Test 49

Verdict: WRONG ANSWER

input
`200 a aa aaaaacaca aaaabcabc ...` view save

correct output
`aaaaaaaacacaaaaabcabcaaaacbcaa...` view save

user output
`cbcababaabbcabbbacbcbbcaabaacb...` view save

Test 50

Verdict: WRONG ANSWER

input
`200 a abam aiesfhkro aivvkdc ...` view save

correct output
`aabamaiesfhkroaivvkdcajrtjakam...` view save

user output
`pqvcildkfavsildonmbwuosfvkhmeu...` view save

Test 51

Verdict: WRONG ANSWER

input
`200 a aaicd acbjfaj achddjj ...` view save

correct output
`aaaicdacbjfajachddjjacifadaecf...` view save

user output
`hgcjfdddbjjkbbafakfjegfifdkdhj...` view save

Test 52

Verdict: WRONG ANSWER

input
`1000 a aa aaccbkcd aaj ...` view save

correct output
`aaaaaccbkcdaajaanabaabanikjabb...` view save

user output
`knemknkemfleomnbajallemgnbnjna...` view save

Test 53

Verdict: WRONG ANSWER

input
`1000 a aa aabecajcf aabg ...` view save

correct output
`aaaaabecajcfaabgaabjllgdlkaadg...` view save

user output
`jedlahbjcgkieccfkgaljhfadljigl...` view save

Test 54

Verdict: WRONG ANSWER

input
`1000 a aa aablaga aah ...` view save

correct output
`aaaaablagaaahaajaaklkjjababaee...` view save

user output
`lcafiglgjejalfekkcfjjkakdhddca...` view save

Test 55

Verdict: WRONG ANSWER

input
`1000 a aa aagjd aajdlmacjn ...` view save

correct output
`aaaaagjdaajdlmacjnaakjdngdfaal...` view save

user output
`mogoojnfmoohhcnjagefnjkjeokicl...` view save

Test 56

Verdict: WRONG ANSWER

input
`1000 a aalguz abcce abggxup ...` view save

correct output
`aaalguzabcceabggxupabujabxldxy...` view save

user output
`uuvisfkwhxtyfcogigbuygeeznktuu...` view save

Test 57

Verdict: WRONG ANSWER

input
`1000 a aa aaabaaaaf aaaeb ...` view save

correct output
`aaaaaabaaaafaaaebaabeadaabfffd...` view save

user output
`fcbbfegbggfabdcafcbfaacabceecf...` view save

Test 58

Verdict: WRONG ANSWER

input
`1000 a aamuthxggq abnfxhutgk adaumgqm ...` view save

correct output
`aaamuthxggqabnfxhutgkadaumgqma...` view save

user output
`wwrbbowvqrwqgkemgarxgtbnmmljvm...` view save

Test 59

Verdict: WRONG ANSWER

input
`1000 a aa aaa aaaa ...` view save

correct output
`aaaaaaaaaaaaaaaaaaaaaaaaaaabaa...` view save

user output
`cacbcbccaccacaababcacacaabacbc...` view save

Test 60

Verdict: WRONG ANSWER

input
`1000 a aanmhqqnpc ab abam ...` view save

correct output
`aaanmhqqnpcababamabginwqvvacba...` view save

user output
`vpripigwqbstkfqipjbuwjplnwltqf...` view save

Test 61

Verdict: WRONG ANSWER

input
`1000 a aa aaaca aae ...` view save

correct output
`aaaaaacaaaeaaekcaagjeahdaahhdf...` view save

user output
`jfbjbaajhakafahiccfjhbjfiikekk...` view save

Test 62

Verdict: WRONG ANSWER

input
`100000 a aa aaa aaaagle ...` view save

correct output
`aaaaaaaaaagleaaabaaabiaaaaccgh...` view save

user output
`ofegkfjfmgmigbogeciclhgofdmomc...` view save

Test 63

Verdict: WRONG ANSWER

input
`100000 a aa aaa aaaagf ...` view save

correct output
`aaaaaaaaaagfaaaaihlblgaaaalkll...` view save

user output
`jddeabkiiijfaeghheeijddbelciga...` view save

Test 64

Verdict: WRONG ANSWER

input
`100000 a aa aaa aaaa ...` view save

correct output
`aaaaaaaaaaaaaabkaaaaelbjbaaaaf...` view save

user output
`lgaakgglklkladgjacghjjejhkgijl...` view save

Test 65

Verdict: WRONG ANSWER

input
`100000 a aa aaa aaaa ...` view save

correct output
`aaaaaaaaaaaaaahleaaaajaaabaaab...` view save

user output
`ncmbcgnnmfnclfgachefnbchdcamfe...` view save

Test 66

Verdict: WRONG ANSWER

input
`100000 a aa aaa aaacxrqz ...` view save

correct output
`aaaaaaaaacxrqzaaahaaaahaaaplto...` view save

user output
`sjsqnftqkfskmojhjybisklstklzum...` view save

Test 67

Verdict: WRONG ANSWER

input
`100000 a aa aaa aaaa ...` view save

correct output
`aaaaaaaaaaaaaaaaaaaaaadbaaaaaa...` view save

user output
`fbagfdagfeegadeaceaefbagcaebff...` view save

Test 68

Verdict: WRONG ANSWER

input
`100000 a aa aaa aaail ...` view save

correct output
`aaaaaaaaailaaaitehaeaaaitxaaam...` view save

user output
`ughbkwekimwoeracbqttugjoaoahco...` view save

Test 69

Verdict: WRONG ANSWER

input
`100000 a aa aaa aaaa ...` view save

correct output
`aaaaaaaaaaaaaaabghaaaabcaffaaa...` view save

user output
`hbgfaiaaiagifabaifhigifacgfahf...` view save

Test 70

Verdict: WRONG ANSWER

input
`100000 a aa aaa aaaaggo ...` view save

correct output
`aaaaaaaaaaggoaaacwpgjkvaaaftbl...` view save

user output
`rjssnadeudscfflouplcscfjveoiia...` view save

Test 71

Verdict: WRONG ANSWER

input
`100000 a aa aaa aaaa ...` view save

correct output
`aaaaaaaaaaaaaabaaaagkaaabaaabb...` view save

user output
`jabbhedcaajbdfhbjjfijbdfgadkhj...` view save

Aalto Competitive Programming 2026 - wk5 - Mon

Freight trains

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

Tasks

Submissions (aalto26em_003)