CSES - Datatähti 2026 loppu

Submission details
Task:	Bittijono
Sender:	worst
Submission time:	2026-01-17 16:14:40 +0200
Language:	C++ (C++20)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	WRONG ANSWER	0.00 s	1, 3	details
#2	ACCEPTED	0.00 s	1, 2, 3	details
#3	WRONG ANSWER	0.00 s	1, 3	details
#4	WRONG ANSWER	0.00 s	1, 3	details
#5	WRONG ANSWER	0.00 s	1, 3	details
#6	WRONG ANSWER	0.01 s	3	details
#7	ACCEPTED	0.01 s	2, 3	details
#8	WRONG ANSWER	0.02 s	3	details
#9	ACCEPTED	0.01 s	2, 3	details
#10	WRONG ANSWER	0.01 s	2, 3	details
#11	WRONG ANSWER	0.01 s	3	details
#12	WRONG ANSWER	0.01 s	2, 3	details
#13	WRONG ANSWER	0.01 s	3	details
#14	WRONG ANSWER	0.01 s	3	details
#15	WRONG ANSWER	0.01 s	3	details
#16	ACCEPTED	0.00 s	1, 2, 3	details
#17	WRONG ANSWER	0.00 s	1, 3	details
#18	ACCEPTED	0.00 s	1, 3	details
#19	ACCEPTED	0.01 s	3	details
#20	ACCEPTED	0.01 s	3	details

Code

#include <bits/stdc++.h>

using namespace std;


void solve() {
    int n, a, b;
    cin >> n >> a >> b;
    string sa, sb;
    cin >> sa >> sb;
    string s(n, '.');
    for (int i = 0; i < n; i++) {
        if (sa[i] == sb[i]) {
            s[i] = 1;
        } else {
            s[i] = 0;
        }
    }

    long long difs = 0;
    for (int i = 0; i < n - 1; i++) {
        if (s[i] != s[i + 1]) {
            difs++;
        }
    }

    cout << (long long) b * ((difs + 1) / 2) << '\n';
}

int main() {
    int t = 1;
    // cin >> t;
    while (t--) {
        solve();
    }
    return 0;
}

Test details

Test 1 (public)

Group: 1, 3

Verdict: WRONG ANSWER

input
`8 3 5 10110001 01101000` view save

correct output
`11` view save

user output
`10` view save

Feedback: Incorrect character on line 1 col 2: expected "11", got "10"

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`10 644 644 0111000100 0000010111` view save

correct output
`1932` view save

user output
`1932` view save

Test 3

Group: 1, 3

Verdict: WRONG ANSWER

input
`10 493 986 0001110000 0001100001` view save

correct output
`986` view save

user output
`1972` view save

Feedback: Incorrect character on line 1 col 1: expected "986", got "1972"

Test 4

Group: 1, 3

Verdict: WRONG ANSWER

input
`10 240 720 1011001110 1000000001` view save

correct output
`1200` view save

user output
`1440` view save

Feedback: Incorrect character on line 1 col 2: expected "1200", got "1440"

Test 5

Group: 1, 3

Verdict: WRONG ANSWER

input
`10 3 7 1110111111 0010010101` view save

correct output
`15` view save

user output
`28` view save

Feedback: Incorrect character on line 1 col 1: expected "15", got "28"

Test 6

Group: 3

Verdict: WRONG ANSWER

input
`100000 1 1000000000 001100110010101001010111000110...` view save

correct output
`50252` view save

user output
`25006000000000` view save

Feedback: Incorrect character on line 1 col 1: expected "50252", got "25006000000000"

Test 7

Group: 2, 3

Verdict: ACCEPTED

input
`100000 1000000000 1 110010000110110100110110101011...` view save

correct output
`25055` view save

user output
`25055` view save

Test 8

Group: 3

Verdict: WRONG ANSWER

input
`100000 1000 1000000000 001001101010100000011110000101...` view save

correct output
`50001000` view save

user output
`25012000000000` view save

Feedback: Incorrect character on line 1 col 1: expected "50001000", got "25012000000000"

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
`100000 1000000000 1000 101010110001010011011011101110...` view save

correct output
`24939000` view save

user output
`24939000` view save

Test 10

Group: 2, 3

Verdict: WRONG ANSWER

input
`100000 1000000000 1000000000 001000000001000000000010110111...` view save

correct output
`25023000000000` view save

user output
`25022000000000` view save

Feedback: Incorrect character on line 1 col 5: expected "25023000000000", got "25022000000000"

Test 11

Group: 3

Verdict: WRONG ANSWER

input
`100000 123456789 987654321 100010110100011000001111001110...` view save

correct output
`5475678967593` view save

user output
`24729876543519` view save

Feedback: Incorrect character on line 1 col 1: expected "5475678967593", got "24729876543519"

Test 12

Group: 2, 3

Verdict: WRONG ANSWER

input
`100000 987654321 123456789 000100110000010110111101111101...` view save

correct output
`3071481453531` view save

user output
`3071357996742` view save

Feedback: Incorrect character on line 1 col 5: expected "3071481453531", got "3071357996742"

Test 13

Group: 3

Verdict: WRONG ANSWER

input
`100000 1000000 1000000000 001100110010100011000111101100...` view save

correct output
`49916000000` view save

user output
`25055000000000` view save

Feedback: Incorrect character on line 1 col 1: expected "49916000000", got "25055000000000"

Test 14

Group: 3

Verdict: WRONG ANSWER

input
`100000 10000000 1000000000 110111101101111110100101011000...` view save

correct output
`494930000000` view save

user output
`25053000000000` view save

Feedback: Incorrect character on line 1 col 1: expected "494930000000", got "25053000000000"

Test 15

Group: 3

Verdict: WRONG ANSWER

input
`100000 100000000 1000000000 111110000010100011011100110010...` view save

correct output
`4547300000000` view save

user output
`25076000000000` view save

Feedback: Incorrect character on line 1 col 1: expected "4547300000000", got "25076000000000"

Test 16

Group: 1, 2, 3

Verdict: ACCEPTED

input
`1 1 1 1 1` view save

correct output
`0` view save

user output
`0` view save

Test 17

Group: 1, 3

Verdict: WRONG ANSWER

input
`10 600 800 0000000000 1110111111` view save

correct output
`1400` view save

user output
`800` view save

Feedback: Incorrect character on line 1 col 1: expected "1400", got "800"

Test 18

Group: 1, 3

Verdict: ACCEPTED

input
`10 300 599 1101001010 0011010110` view save

correct output
`1198` view save

user output
`1198` view save

Test 19

Group: 3

Verdict: ACCEPTED

input
`100000 300000000 500000000 010011101001001010010101101101...` view save

correct output
`10000000000000` view save

user output
`10000000000000` view save

Test 20

Group: 3

Verdict: ACCEPTED

input
`100000 60000 1000000000 110110111011010100001000011011...` view save

correct output
`3000000000` view save

user output
`3000000000` view save

Datatähti 2026 loppu

Bittijono

Code

Test details

Test 1 (public)

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

Tasks

Submissions (worst)