CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Karjalanp11rakka
Submission time:2024-10-28 19:14:07 +0200
Language:C++ (C++20)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#2ACCEPTED0.00 s1, 2details
#3ACCEPTED0.01 s1, 2details
#4ACCEPTED0.00 s1, 2details
#5ACCEPTED0.00 s1, 2details
#6ACCEPTED0.00 s1, 2details
#7ACCEPTED0.01 s1, 2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.00 s1, 2details
#100.00 s1, 2details
#11ACCEPTED0.01 s1, 2details
#12ACCEPTED0.03 s2details
#13ACCEPTED0.03 s2details
#14ACCEPTED0.21 s2details
#150.00 s2details
#16ACCEPTED0.25 s2details
#17ACCEPTED0.02 s2details
#18--2details
#19--2details
#20ACCEPTED0.02 s2details
#21ACCEPTED0.02 s2details
#22--2details
#230.02 s2details
#24--2details

Code

#include <bits/stdc++.h>
 
using namespace std;
 
vector<bool> rooms {};
int moves {}, coins {};
 
void search(int rPos)
{
    int i {};
    int closestLeft {-1}, closestRight {-1};
    int n = count_if(rooms.begin(), rooms.end(), [&](const auto e)
    {
        if(i == rPos)
        {
            ++i;
            return false;
        }
        if(e)
        {
            if(rPos > i)
            {
                closestLeft = i;
            }
            else 
            {
                if(closestRight == -1)
                    closestRight = i;
            }
        }
        ++i;
        return e ? true : false;
    });
    if(!n) return;
 
    int dif1 {rPos - closestLeft}, dif2 {closestRight - rPos};
    if(dif1 != dif2)
    {
        if(closestLeft == -1)
        {
            closestLeft = closestRight;
            dif1 = dif2;
        }
        else if(closestRight != -1 && dif1 > dif2)
        {
            closestLeft = closestRight;
            dif1 = dif2;
        }
 
        rooms[closestLeft] = false;
        ++coins;
        moves += dif1;
        if(n != 1) search(closestLeft);
    }
}
 
int main()
{
    int n {};
    cin >> n;
 
    rooms.reserve(n);
 
    int rPos {};
    for(int i {}; i < n; ++i)
    {
        char c {};
        cin >> c;
        if(c == 'R') rPos = i;
        rooms.push_back(c == '*' ? true : false);
    }
    
    search(rPos);
    cout << moves << ' ' << coins;
    return 0;
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
1
R

correct output
0 0

user output
0 0

Test 2

Group: 1, 2

Verdict: ACCEPTED

input
10
...R......

correct output
0 0

user output
0 0

Test 3

Group: 1, 2

Verdict: ACCEPTED

input
10
**.R...***

correct output
12 5

user output
12 5

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
10
***R******

correct output
0 0

user output
0 0

Test 5

Group: 1, 2

Verdict: ACCEPTED

input
1000
R................................

correct output
947 9

user output
947 9

Test 6

Group: 1, 2

Verdict: ACCEPTED

input
1000
.................................

correct output
886 9

user output
886 9

Test 7

Group: 1, 2

Verdict: ACCEPTED

input
1000
.....*..*....**..**..*......*....

correct output
1287 400

user output
1287 400

Test 8

Group: 1, 2

Verdict: ACCEPTED

input
1000
************.*****************...

correct output
0 0

user output
0 0

Test 9

Group: 1, 2

Verdict: ACCEPTED

input
1000
******************************...

correct output
0 0

user output
0 0

Test 10

Group: 1, 2

Verdict:

input
1000
R*****************************...

correct output
999 999

user output
0 0

Test 11

Group: 1, 2

Verdict: ACCEPTED

input
1000
******************************...

correct output
999 999

user output
999 999

Test 12

Group: 2

Verdict: ACCEPTED

input
10000
.......**........*...........*...

correct output
10971 999

user output
10971 999

Test 13

Group: 2

Verdict: ACCEPTED

input
10000
*..*....*......*.....*..*........

correct output
9999 999

user output
9999 999

Test 14

Group: 2

Verdict: ACCEPTED

input
10000
*.*.*...**.*...*....**.**.**.....

correct output
18766 5000

user output
18766 5000

Test 15

Group: 2

Verdict:

input
10000
R*****************************...

correct output
9999 9999

user output
0 0

Test 16

Group: 2

Verdict: ACCEPTED

input
10000
******************************...

correct output
9999 9999

user output
9999 9999

Test 17

Group: 2

Verdict: ACCEPTED

input
200000
.................................

correct output
0 0

user output
0 0

Test 18

Group: 2

Verdict:

input
200000
.................................

correct output
299934 10000

user output
(empty)

Test 19

Group: 2

Verdict:

input
200000
**.***....**..**.....***.*..*....

correct output
299998 100000

user output
(empty)

Test 20

Group: 2

Verdict: ACCEPTED

input
200000
******************************...

correct output
0 0

user output
0 0

Test 21

Group: 2

Verdict: ACCEPTED

input
200000
R................................

correct output
133765 3

user output
133765 3

Test 22

Group: 2

Verdict:

input
200000
R................................

correct output
199982 5000

user output
(empty)

Test 23

Group: 2

Verdict:

input
200000
R*****************************...

correct output
199999 199999

user output
0 0

Test 24

Group: 2

Verdict:

input
200000
******************************...

correct output
199999 199999

user output
(empty)