CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Touko_Ursin
Submission time:2024-10-28 00:50:04 +0200
Language:C++ (C++20)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.00 s1, 2details
#2--1, 2details
#3--1, 2details
#40.00 s1, 2details
#5--1, 2details
#6--1, 2details
#7--1, 2details
#80.00 s1, 2details
#90.00 s1, 2details
#100.00 s1, 2details
#110.00 s1, 2details
#12--2details
#13--2details
#14--2details
#150.00 s2details
#160.00 s2details
#17--2details
#18--2details
#19--2details
#200.01 s2details
#210.01 s2details
#220.01 s2details
#230.01 s2details
#240.01 s2details

Code

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

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

    string x;
    cin >> x;

    int r = 0;

    while(x[r] != 'R'){
        r++;
    }

    int a = r;
    int b = r;

    while(x[a] != '*' && a != -1){
        a--;
    }

    while(x[b] != '*' && b != n){
        b++;
    }

    int coins = 0;

    while(true){
        if((b-r) > (r-a)){
            coins++;
            r = a;
            a--;
            while(x[a] != '*' && a != -1){
                a--;
            }
        } else if((b-r)<(r-a)){
            coins++;
            r = b;
            b++;
            while(x[a] != '*' && b != n){
                b++;
            }
        } else{
            break;
        }
    }
    cout << coins;
}

Test details

Test 1

Group: 1, 2

Verdict:

input
1
R

correct output
0 0

user output
0

Test 2

Group: 1, 2

Verdict:

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

correct output
0 0

user output
(empty)

Test 3

Group: 1, 2

Verdict:

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

correct output
12 5

user output
(empty)

Test 4

Group: 1, 2

Verdict:

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

correct output
0 0

user output
0

Test 5

Group: 1, 2

Verdict:

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

correct output
947 9

user output
(empty)

Test 6

Group: 1, 2

Verdict:

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

correct output
886 9

user output
(empty)

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
(empty)

Test 8

Group: 1, 2

Verdict:

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

correct output
0 0

user output
0

Test 9

Group: 1, 2

Verdict:

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

correct output
0 0

user output
0

Test 10

Group: 1, 2

Verdict:

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

correct output
999 999

user output
0

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
0

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
(empty)

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
(empty)

Test 14

Group: 2

Verdict:

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

correct output
18766 5000

user output
(empty)

Test 15

Group: 2

Verdict:

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

correct output
9999 9999

user output
0

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
0

Test 17

Group: 2

Verdict:

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

correct output
0 0

user output
(empty)

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:

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

correct output
0 0

user output
0

Test 21

Group: 2

Verdict:

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

correct output
133765 3

user output
(empty)

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

Test 24

Group: 2

Verdict:

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

correct output
199999 199999

user output
0