CSES - Aalto Competitive Programming 2026 - wk2 - Wed

Submission details
Task:	LibBot
Sender:	aalto26bw_005
Submission time:	2026-09-09 18:45:32 +0300
Language:	C++ (C++20)
Status:	READY
Result:	WRONG ANSWER

Test results
test	verdict	time
#1	WRONG ANSWER	0.01 s	details
#2	WRONG ANSWER	0.01 s	details
#3	WRONG ANSWER	0.01 s	details
#4	WRONG ANSWER	0.01 s	details
#5	WRONG ANSWER	0.01 s	details
#6	WRONG ANSWER	0.01 s	details
#7	WRONG ANSWER	0.01 s	details
#8	WRONG ANSWER	0.01 s	details
#9	WRONG ANSWER	0.01 s	details
#10	WRONG ANSWER	0.01 s	details
#11	WRONG ANSWER	0.01 s	details
#12	WRONG ANSWER	0.01 s	details
#13	WRONG ANSWER	0.01 s	details
#14	WRONG ANSWER	0.01 s	details
#15	WRONG ANSWER	0.01 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	WRONG ANSWER	0.01 s	details
#22	WRONG ANSWER	0.01 s	details
#23	WRONG ANSWER	0.01 s	details
#24	WRONG ANSWER	0.01 s	details
#25	WRONG ANSWER	0.01 s	details
#26	WRONG ANSWER	0.01 s	details
#27	WRONG ANSWER	0.01 s	details
#28	WRONG ANSWER	0.01 s	details
#29	WRONG ANSWER	0.01 s	details
#30	WRONG ANSWER	0.01 s	details
#31	WRONG ANSWER	0.01 s	details
#32	WRONG ANSWER	0.01 s	details
#33	WRONG ANSWER	0.01 s	details
#34	WRONG ANSWER	0.01 s	details
#35	WRONG ANSWER	0.01 s	details
#36	WRONG ANSWER	0.01 s	details
#37	WRONG ANSWER	0.01 s	details
#38	WRONG ANSWER	0.01 s	details
#39	WRONG ANSWER	0.01 s	details
#40	WRONG ANSWER	0.01 s	details
#41	WRONG ANSWER	0.01 s	details

Code

#include <bits/stdc++.h>

std::string GetBook(const int n, const int position) {
    assert (0 <= position && position <= std::pow(n, 5));
    std::cout << "FETCH ";
    for (int i = 5; i > 0; i--) {
        std::cout << std::to_string(static_cast<int>(position % static_cast<int>(std::pow(n, i)) / std::pow(n, i-1)));
        if (i != 1) {
            std::cout << '.';
        }
    }

    std::cout << std::endl;

    std::string command;
    std::string word;
    std::cin >> command >> word;
    assert (command == "FOUND");

    return word;
}

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

    std::string command;
    int n;
    std::cin >> command >> n;
    assert (command == "SIZE");

    std::string book;
    std::cin >> command >> book;
    assert (command == "COUNT");

    int left_begin = std::pow(n, 4) + 1;
    int right_begin = std::pow(n, 5);
    while (left_begin + 1 < right_begin) {
        const int mid = (left_begin + right_begin) / 2;
        std::string word = GetBook(n, mid);
        if (word >= book) {
            right_begin = mid;
        }
        if (word < book) {
            left_begin = mid;
        }
    }

    int left_end = right_begin;
    int right_end = std::pow(n, 5);

    while (left_end + 1 < right_end) {
        const int mid = (left_end + right_end) / 2;
        std::string word = GetBook(n, mid);
        if (word > book) {
            right_end = mid;
        }
        if (word <= book) {
            left_end = mid;
        }
    }

    std::cout << (left_end - right_begin) << std::endl;
    return 0;
}

Test details

Test 1

Verdict: WRONG ANSWER

input
`2 9 kdg dl 6 kdg 3 kdgwl 1 ...` view save

correct output
(empty)

user output
`SIZE 2 COUNT kdg FETCH 1.1.0.0.0` view save

Test 2

Verdict: WRONG ANSWER

input
`3 15 irwkfl c 26 d 27 e 11 ...` view save

correct output
(empty)

user output
`SIZE 3 COUNT irwkfl FETCH 2.0.0.0.0` view save

Test 3

Verdict: WRONG ANSWER

input
`4 34 gcnmkobrd bcytu 60 bheb 64 bhebp 26 ...` view save

correct output
(empty)

user output
`SIZE 4 COUNT gcnmkobrd FETCH 2.2.0.0.0` view save

Test 4

Verdict: WRONG ANSWER

input
`5 52 faoluuicsn a 1 cufqs 30 d 44 ...` view save

correct output
(empty)

user output
`SIZE 5 COUNT faoluuicsn FETCH 3.0.0.0.0` view save

Test 5

Verdict: WRONG ANSWER

input
`6 75 okokxlluuicsnw a 1 b 51 bxcufq 145 ...` view save

correct output
(empty)

user output
`SIZE 6 COUNT okokxlluuicsnw FETCH 3.3.0.0.0` view save

Test 6

Verdict: WRONG ANSWER

input
`7 105 jibgewnvmqnpbxvirxmgf a 1 aqykhme 32 atusxwa 119 ...` view save

correct output
(empty)

user output
`SIZE 7 COUNT jibgewnvmqnpbxvirxmgf FETCH 4.0.0.0.0` view save

Test 7

Verdict: WRONG ANSWER

input
`8 124 djnofmgdbfj afpc 66 apj 204 apjgsu 105 ...` view save

correct output
(empty)

user output
`SIZE 8 COUNT djnofmgdbfj FETCH 4.4.0.0.0` view save

Test 8

Verdict: WRONG ANSWER

input
`9 166 qonvyqgibutxey a 94 act 683 afngrwb 20 ...` view save

correct output
(empty)

user output
`SIZE 9 COUNT qonvyqgibutxey FETCH 5.0.0.0.0` view save

Test 9

Verdict: WRONG ANSWER

input
`10 211 zuek axof 303 axofdxjyeevjxifd 397 axofvxnleg 539 ...` view save

correct output
(empty)

user output
`SIZE 10 COUNT zuek FETCH 5.5.0.0.0` view save

Test 10

Verdict: WRONG ANSWER

input
`10 216 hskapswvzfrbijqwgotkothu aayuulyq 436 aayuulyqcs 205 aayuulyqcsgjqffbfix 530 ...` view save

correct output
(empty)

user output
`SIZE 10 COUNT hskapswvzfrbijqwgotkothu FETCH 5.5.0.0.0` view save

Test 11

Verdict: WRONG ANSWER

input
`9 158 ylhjecnhgyboje a 691 acd 241 apkcczfzzxrpvlk 88 ...` view save

correct output
(empty)

user output
`SIZE 9 COUNT ylhjecnhgyboje FETCH 5.0.0.0.0` view save

Test 12

Verdict: WRONG ANSWER

input
`8 133 ewcm aavhwtselm 486 aavrwtsejm 170 aayuuly 62 ...` view save

correct output
(empty)

user output
`SIZE 8 COUNT ewcm FETCH 4.4.0.0.0` view save

Test 13

Verdict: WRONG ANSWER

input
`7 98 jkpxbvb awb 326 comccswxez 114 cw 42 ...` view save

correct output
(empty)

user output
`SIZE 7 COUNT jkpxbvb FETCH 4.0.0.0.0` view save

Test 14

Verdict: WRONG ANSWER

input
`6 70 eaymki alkio 119 alkioruv 72 alkioruvyivod 26 ...` view save

correct output
(empty)

user output
`SIZE 6 COUNT eaymki FETCH 3.3.0.0.0` view save

Test 15

Verdict: WRONG ANSWER

input
`4 28 unje biybsjet 60 biybsjetnn 27 bx 45 ...` view save

correct output
(empty)

user output
`SIZE 4 COUNT unje FETCH 2.2.0.0.0` view save

Test 16

Verdict: WRONG ANSWER

input
`9 159 ckfhsouqxvv a 373 aahay 152 asvvihxxokcevotlncilqbuvhmdkmh...` view save

correct output
(empty)

user output
`SIZE 9 COUNT ckfhsouqxvv FETCH 5.0.0.0.0` view save

Test 17

Verdict: WRONG ANSWER

input
`8 117 h aaha 262 anmuhfjbetlfzdbns 107 awhfbhdbjbuexgbwl 226 ...` view save

correct output
(empty)

user output
`SIZE 8 COUNT h FETCH 4.4.0.0.0` view save

Test 18

Verdict: WRONG ANSWER

input
`7 106 m aezpq 42 aokpn 7 aqfkfe 86 ...` view save

correct output
(empty)

user output
`SIZE 7 COUNT m FETCH 4.0.0.0.0` view save

Test 19

Verdict: WRONG ANSWER

input
`7 101 kvtwj appvlr 240 bguzpylrzkwon 78 bofd 2 ...` view save

correct output
(empty)

user output
`SIZE 7 COUNT kvtwj FETCH 4.0.0.0.0` view save

Test 20

Verdict: WRONG ANSWER

input
`2 9 fu dl 6 kdg 3 kdgwl 1 ...` view save

correct output
(empty)

user output
`SIZE 2 COUNT fu FETCH 1.1.0.0.0` view save

Test 21

Verdict: WRONG ANSWER

input
`3 15 uvk c 26 d 27 e 11 ...` view save

correct output
(empty)

user output
`SIZE 3 COUNT uvk FETCH 2.0.0.0.0` view save

Test 22

Verdict: WRONG ANSWER

input
`4 34 jgtx bcytu 60 bheb 64 bhebp 26 ...` view save

correct output
(empty)

user output
`SIZE 4 COUNT jgtx FETCH 2.2.0.0.0` view save

Test 23

Verdict: WRONG ANSWER

input
`5 52 ghmfq a 1 cufqs 30 d 44 ...` view save

correct output
(empty)

user output
`SIZE 5 COUNT ghmfq FETCH 3.0.0.0.0` view save

Test 24

Verdict: WRONG ANSWER

input
`6 75 ojuphd a 1 b 51 bxcufq 145 ...` view save

correct output
(empty)

user output
`SIZE 6 COUNT ojuphd FETCH 3.3.0.0.0` view save

Test 25

Verdict: WRONG ANSWER

input
`7 105 kzzqfzz a 1 aqykhme 32 atusxwa 119 ...` view save

correct output
(empty)

user output
`SIZE 7 COUNT kzzqfzz FETCH 4.0.0.0.0` view save

Test 26

Verdict: WRONG ANSWER

input
`8 124 emdxvwdw afpc 66 apj 204 apjgsu 105 ...` view save

correct output
(empty)

user output
`SIZE 8 COUNT emdxvwdw FETCH 4.4.0.0.0` view save

Test 27

Verdict: WRONG ANSWER

input
`9 166 pkhsbasuj a 94 act 683 afngrwb 20 ...` view save

correct output
(empty)

user output
`SIZE 9 COUNT pkhsbasuj FETCH 5.0.0.0.0` view save

Test 28

Verdict: WRONG ANSWER

input
`10 211 zypqadmqoo axof 303 axofdxjyeevjxifd 397 axofvxnleg 539 ...` view save

correct output
(empty)

user output
`SIZE 10 COUNT zypqadmqoo FETCH 5.5.0.0.0` view save

Test 29

Verdict: WRONG ANSWER

input
`10 216 jhagispreh aayuulyq 436 aayuulyqcs 205 aayuulyqcsgjqffbfix 530 ...` view save

correct output
(empty)

user output
`SIZE 10 COUNT jhagispreh FETCH 5.5.0.0.0` view save

Test 30

Verdict: WRONG ANSWER

input
`9 158 zfkmqpzht a 691 acd 241 apkcczfzzxrpvlk 88 ...` view save

correct output
(empty)

user output
`SIZE 9 COUNT zfkmqpzht FETCH 5.0.0.0.0` view save

Test 31

Verdict: WRONG ANSWER

input
`8 133 dogiavnu aavhwtselm 486 aavrwtsejm 170 aayuuly 62 ...` view save

correct output
(empty)

user output
`SIZE 8 COUNT dogiavnu FETCH 4.4.0.0.0` view save

Test 32

Verdict: WRONG ANSWER

input
`7 98 kihqiff awb 326 comccswxez 114 cw 42 ...` view save

correct output
(empty)

user output
`SIZE 7 COUNT kihqiff FETCH 4.0.0.0.0` view save

Test 33

Verdict: WRONG ANSWER

input
`6 70 eszubi alkio 119 alkioruv 72 alkioruvyivod 26 ...` view save

correct output
(empty)

user output
`SIZE 6 COUNT eszubi FETCH 3.3.0.0.0` view save

Test 34

Verdict: WRONG ANSWER

input
`4 28 vyta biybsjet 60 biybsjetnn 27 bx 45 ...` view save

correct output
(empty)

user output
`SIZE 4 COUNT vyta FETCH 2.2.0.0.0` view save

Test 35

Verdict: WRONG ANSWER

input
`9 159 ctohjykey a 373 aahay 152 asvvihxxokcevotlncilqbuvhmdkmh...` view save

correct output
(empty)

user output
`SIZE 9 COUNT ctohjykey FETCH 5.0.0.0.0` view save

Test 36

Verdict: WRONG ANSWER

input
`8 117 igjxpndn aaha 262 anmuhfjbetlfzdbns 107 awhfbhdbjbuexgbwl 226 ...` view save

correct output
(empty)

user output
`SIZE 8 COUNT igjxpndn FETCH 4.4.0.0.0` view save

Test 37

Verdict: WRONG ANSWER

input
`7 106 lslhnht aezpq 42 aokpn 7 aqfkfe 86 ...` view save

correct output
(empty)

user output
`SIZE 7 COUNT lslhnht FETCH 4.0.0.0.0` view save

Test 38

Verdict: WRONG ANSWER

input
`7 101 hxliesh appvlr 240 bguzpylrzkwon 78 bofd 2 ...` view save

correct output
(empty)

user output
`SIZE 7 COUNT hxliesh FETCH 4.0.0.0.0` view save

Test 39

Verdict: WRONG ANSWER

input
`2 1 fu dl 32` view save

correct output
(empty)

user output
`SIZE 2 COUNT fu FETCH 1.1.0.0.0` view save

Test 40

Verdict: WRONG ANSWER

input
`3 1 fuuicsxvc fuuicsxvc 243` view save

correct output
(empty)

user output
`SIZE 3 COUNT fuuicsxvc FETCH 2.0.0.0.0` view save

Test 41

Verdict: WRONG ANSWER

input
`4 1 bcytu bcytu 1024` view save

correct output
(empty)

user output
`SIZE 4 COUNT bcytu FETCH 2.2.0.0.0` view save

Aalto Competitive Programming 2026 - wk2 - Wed

LibBot

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

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Test 8

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Test 11

Test 12

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Test 40

Test 41

Tasks

Submissions (aalto26bw_005)