CSES - Aalto Competitive Programming 2025 - wk2 - Wed

Submission details
Task:	LibBot
Sender:	aalto25b_002
Submission time:	2025-09-10 17:30:00 +0300
Language:	C++ (C++17)
Status:	READY
Result:	RUNTIME ERROR

Test results
test	verdict	time
#1	RUNTIME ERROR	0.02 s	details
#2	WRONG ANSWER	0.01 s	details
#3	RUNTIME ERROR	0.02 s	details
#4	RUNTIME ERROR	0.01 s	details
#5	RUNTIME ERROR	0.02 s	details
#6	WRONG ANSWER	0.01 s	details
#7	RUNTIME ERROR	0.02 s	details
#8	WRONG ANSWER	0.01 s	details
#9	RUNTIME ERROR	0.02 s	details
#10	WRONG ANSWER	0.01 s	details
#11	WRONG ANSWER	0.01 s	details
#12	WRONG ANSWER	0.01 s	details
#13	RUNTIME ERROR	0.02 s	details
#14	RUNTIME ERROR	0.02 s	details
#15	WRONG ANSWER	0.01 s	details
#16	RUNTIME ERROR	0.01 s	details
#17	RUNTIME ERROR	0.02 s	details
#18	WRONG ANSWER	0.01 s	details
#19	RUNTIME ERROR	0.02 s	details
#20	RUNTIME ERROR	0.02 s	details
#21	WRONG ANSWER	0.02 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	RUNTIME ERROR	0.02 s	details
#27	WRONG ANSWER	0.01 s	details
#28	RUNTIME ERROR	0.02 s	details
#29	WRONG ANSWER	0.01 s	details
#30	RUNTIME ERROR	0.01 s	details
#31	RUNTIME ERROR	0.02 s	details
#32	WRONG ANSWER	0.01 s	details
#33	RUNTIME ERROR	0.02 s	details
#34	WRONG ANSWER	0.01 s	details
#35	WRONG ANSWER	0.01 s	details
#36	WRONG ANSWER	0.01 s	details
#37	RUNTIME ERROR	0.02 s	details
#38	RUNTIME ERROR	0.02 s	details
#39	RUNTIME ERROR	0.02 s	details
#40	WRONG ANSWER	0.01 s	details
#41	WRONG ANSWER	0.01 s	details

Compiler report

input/code.cpp: In function 'int binarySearch(std::vector<int>&, int)':
input/code.cpp:19:1: warning: no return statement in function returning non-void [-Wreturn-type]
   19 | }
      | ^
input/code.cpp: In function 'int main()':
input/code.cpp:30:9: warning: unused variable 'boo' [-Wunused-variable]
   30 |     int boo = 0;
      |         ^~~
input/code.cpp:93:9: warning: 'end' may be used uninitialized in this function [-Wmaybe-uninitialized]
   93 |     int diff = end - start;
      |         ^~~~
input/code.cpp:93:9: warning: 'start' may be used uninitialized in this function [-Wmaybe-uninitialized]

Code

#include <iostream>
#include <algorithm>
#include <queue>
using namespace std;

void print(int num){
    string numS = to_string(num);
    string newNumS = "";
    cout << "FETCH ";
    for(size_t i = 0; i < numS.length(); i++){
        cout << numS[i]; 
        cout << ".";
    }
    cout << endl;
}

int binarySearch(vector<int> &arr, int x) {
    
}


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

    string a,b, name;
    int size;
    int start, end;

    int boo = 0;
    cin >> a >> size;
    cin >> b >> name;

    int low = 0;
    int high = 100000;
    while (low <= high) {
        int mid = low + (high - low) / 2;

        // Check if x is present at mid
        print(mid);
        string x,y;
        cin >> y >> x;
        if(x == name){
            start = mid;
            break;
        }

        // If x greater, ignore left half
        if (x < name)
            low = mid + 1;

        // If x is smaller, ignore right half
        else
            high = mid - 1;
    }

    print(start + 1);
    string x,y;
    cin >> y >> x;
    if(x == name){
        low = start;
        high = 100000;
    }
    else {
        print(start -1);
        cin >> y >> x;
        if(x == name) high = start -1;
        low = 0;
    }


    while (low <= high) {
        int mid = low + (high - low) / 2;

        // Check if x is present at mid
        print(mid);
        string x,y;
        cin >> y >> x;
        if(x == name){
            end = mid;
            break;
        }

        // If x greater, ignore left half
        if (x < name)
            low = mid + 1;

        // If x is smaller, ignore right half
        else
            high = mid - 1;
    }

    int diff = end - start;
    cout << diff << endl;


}

Test details

Test 1

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 2 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` 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 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 3

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 4 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Test 4

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 5 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Test 5

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 6 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` 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 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 7

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 8 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` 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 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 9

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 10 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` 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 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 11

Verdict: WRONG ANSWER

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

correct output
(empty)

user output
`SIZE 9 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 12

Verdict: WRONG ANSWER

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

correct output
(empty)

user output
`SIZE 8 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 13

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 7 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Test 14

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 6 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` 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 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 16

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 9 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Test 17

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 8 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` 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 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 19

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 7 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Test 20

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 2 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` 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 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 22

Verdict: WRONG ANSWER

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

correct output
(empty)

user output
`SIZE 4 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 23

Verdict: WRONG ANSWER

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

correct output
(empty)

user output
`SIZE 5 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 24

Verdict: WRONG ANSWER

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

correct output
(empty)

user output
`SIZE 6 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 25

Verdict: WRONG ANSWER

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

correct output
(empty)

user output
`SIZE 7 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 26

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 8 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` 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 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 28

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 10 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` 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 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 30

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 9 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Test 31

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 8 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` 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 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 33

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 6 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` 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 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 35

Verdict: WRONG ANSWER

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

correct output
(empty)

user output
`SIZE 9 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 36

Verdict: WRONG ANSWER

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

correct output
(empty)

user output
`SIZE 8 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 37

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 7 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Test 38

Verdict: RUNTIME ERROR

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

correct output
(empty)

user output
`SIZE 7 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Test 39

Verdict: RUNTIME ERROR

input
`2 1 fu dl 32` view save

correct output
(empty)

user output
`SIZE 2 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Test 40

Verdict: WRONG ANSWER

input
`3 1 fuuicsxvc fuuicsxvc 243` view save

correct output
(empty)

user output
`SIZE 3 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Test 41

Verdict: WRONG ANSWER

input
`4 1 bcytu bcytu 1024` view save

correct output
(empty)

user output
`SIZE 4 FETCH 5.0.0.0.0. FETCH 5.0.0.0.1. FETCH 7.5.0.0.0. 25000` view save

Error:

1 1 0 0

Aalto Competitive Programming 2025 - wk2 - Wed

LibBot

Compiler report

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

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Test 17

Test 18

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Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

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Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Test 38

Test 39

Test 40

Test 41

Tasks

Submissions (aalto25b_002)