CSES - Datatähti 2026 loppu

Submission details
Task:	Bittijono
Sender:	Karjalanp11rakka
Submission time:	2026-03-18 10:17:15 +0200
Language:	C++ (C++20)
Status:	READY
Result:	0

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

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

Code

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main()
{
  ll n, a, b;
  string b1, b2; 
  cin >> n >> a >> b >> b1 >> b2;
  vector<ll> s1(n + 1), s2(n + 1);
  s2[n] = b;
  for(int i = n - 1; i >= 0; --i)
  {
    s1[i] = min(s1[i + 1] + ((b1[i] == b2[i]) ? 0 : a), s2[i + 1] + b + (b1[i] == b2[i] ? a : 0));
    s2[i] = min(s2[i + 1] + ((b1[i] == b2[i]) ? a : 0), s1[i + 1] + b + (b1[i] == b2[i] ? 0 : a));
  }
  cout << min(s1[0], s2[0]);
  return 0;
}

Test details

Test 1 (public)

Subtask: 1, 3

Verdict: ACCEPTED

input
`8 3 5 10110001 01101000` view save

correct output
`11` view save

user output
`11` view save

Test 2

Subtask: 1, 2, 3

Verdict: WRONG ANSWER

input
`10 644 644 0111000100 0000010111` view save

correct output
`1932` view save

user output
`3220` view save

Feedback: Incorrect character on line 1 col 1: expected "1932", got "3220"

Test 3

Subtask: 1, 3

Verdict: ACCEPTED

input
`10 493 986 0001110000 0001100001` view save

correct output
`986` view save

user output
`986` view save

Test 4

Subtask: 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

Subtask: 1, 3

Verdict: ACCEPTED

input
`10 3 7 1110111111 0010010101` view save

correct output
`15` view save

user output
`15` view save

Test 6

Subtask: 3

Verdict: ACCEPTED

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

correct output
`50252` view save

user output
`50252` view save

Test 7

Subtask: 2, 3

Verdict: WRONG ANSWER

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

correct output
`25055` view save

user output
`50110` view save

Feedback: Incorrect character on line 1 col 1: expected "25055", got "50110"

Test 8

Subtask: 3

Verdict: ACCEPTED

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

correct output
`50001000` view save

user output
`50001000` view save

Test 9

Subtask: 2, 3

Verdict: WRONG ANSWER

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

correct output
`24939000` view save

user output
`49878000` view save

Feedback: Incorrect character on line 1 col 1: expected "24939000", got "49878000"

Test 10

Subtask: 2, 3

Verdict: WRONG ANSWER

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

correct output
`25023000000000` view save

user output
`33350000000000` view save

Feedback: Incorrect character on line 1 col 1: expected "25023000000000", got "33350000000000"

Test 11

Subtask: 3

Verdict: WRONG ANSWER

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

correct output
`5475678967593` view save

user output
`5806049332878` view save

Feedback: Incorrect character on line 1 col 2: expected "5475678967593", got "5806049332878"

Test 12

Subtask: 2, 3

Verdict: WRONG ANSWER

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

correct output
`3071481453531` view save

user output
`6142839450273` view save

Feedback: Incorrect character on line 1 col 1: expected "3071481453531", got "6142839450273"

Test 13

Subtask: 3

Verdict: ACCEPTED

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

correct output
`49916000000` view save

user output
`49916000000` view save

Test 14

Subtask: 3

Verdict: WRONG ANSWER

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

correct output
`494930000000` view save

user output
`498240000000` view save

Feedback: Incorrect character on line 1 col 3: expected "494930000000", got "498240000000"

Test 15

Subtask: 3

Verdict: WRONG ANSWER

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

correct output
`4547300000000` view save

user output
`4756900000000` view save

Feedback: Incorrect character on line 1 col 2: expected "4547300000000", got "4756900000000"

Test 16

Subtask: 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

Subtask: 1, 3

Verdict: ACCEPTED

input
`10 600 800 0000000000 1110111111` view save

correct output
`1400` view save

user output
`1400` view save

Test 18

Subtask: 1, 3

Verdict: WRONG ANSWER

input
`10 300 599 1101001010 0011010110` view save

correct output
`1198` view save

user output
`1199` view save

Feedback: Incorrect character on line 1 col 4: expected "1198", got "1199"

Test 19

Subtask: 3

Verdict: WRONG ANSWER

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

correct output
`10000000000000` view save

user output
`11999900000000` view save

Feedback: Incorrect character on line 1 col 2: expected "10000000000000", got "11999900000000"

Test 20

Subtask: 3

Verdict: WRONG ANSWER

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

correct output
`3000000000` view save

user output
`3000040000` view save

Feedback: Incorrect character on line 1 col 6: expected "3000000000", got "3000040000"

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 (Karjalanp11rakka)