CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:hepuu
Submission time:2024-11-01 17:23:40 +0200
Language:Python3 (PyPy3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.06 s1, 2details
#20.06 s1, 2details
#30.06 s1, 2details
#4ACCEPTED0.06 s1, 2details
#50.06 s1, 2details
#60.07 s1, 2details
#70.07 s1, 2details
#8ACCEPTED0.06 s1, 2details
#9ACCEPTED0.06 s1, 2details
#100.07 s1, 2details
#110.08 s1, 2details
#120.07 s2details
#13--2details
#14--2details
#150.08 s2details
#16--2details
#170.07 s2details
#180.12 s2details
#19--2details
#20ACCEPTED0.09 s2details
#210.06 s2details
#220.08 s2details
#23--2details
#24--2details

Code

import re
n = input()
def Robotti():
    mj=input()
    r = mj.find("R")
    matches = re.finditer(re.escape("*"), mj)
    list=[]
    I = 0
    ask = 0
    coins = 0
    coinR = 0
    coinL = 1
    for match in matches:
        i = match.start()
        list.append(i)
    while int(n) > 1:
        if r > int(list[-1]):
            coinL=abs(int(list[-1])-r)
            I = -1
            ask += coinL
        else:
            while int(list[I]) < r:
                I +=1 
            coinR=abs(int(list[I])-r)
            coinL=abs(int(list[I-1]-r))
            if coinR == coinL:
                break
            elif coinR < coinL:
                ask += coinR
                r = int(list[I])
                del list[I]
            elif coinL < coinR:
                ask += coinL
                r = int(list[I-1])
                del list[I-1]
        coins += 1
        I = 0
    print(ask, coins)
def Robot():
    mj=input()
    coinR = 0
    coinL = 1
    c=0
    ask=0
    while (coinL==coinR)==False:
        coinR = mj[mj.find("R"):].find("*")
        coinL = mj[mj.find("R"): :-1].find("*")
        if coinR<coinL and coinR>0 or coinL==-1:
            mj=mj[:mj.find("R")+1].replace("R",".")+mj[mj.find("R")+1:].replace("*","R",1)
            c+=1
            ask+=coinR
        elif coinR > coinL and coinL > 0 or coinR == -1:
            mj1=mj[mj.find("R")::-1].replace("R", ".")
            mj1=mj1.replace("*", "R", 1)
            mj=mj1[::-1]+mj[mj.find("R")+1:]
            c+=1
            ask+=coinL
    print(ask, c)
if int(n) > 1000:
    Robotti()
else:
    Robot()

Test details

Test 1

Group: 1, 2

Verdict:

input
1
R

correct output
0 0

user output
-1 1

Test 2

Group: 1, 2

Verdict:

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

correct output
0 0

user output
-1 1

Test 3

Group: 1, 2

Verdict:

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

correct output
12 5

user output
11 6

Test 4

Group: 1, 2

Verdict: ACCEPTED

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

correct output
0 0

user output
0 0

Test 5

Group: 1, 2

Verdict:

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

correct output
947 9

user output
946 10

Test 6

Group: 1, 2

Verdict:

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

correct output
886 9

user output
885 10

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
1286 401

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
998 1000

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
998 1000

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
10925 998

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
9998 9998

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
(empty)

Test 17

Group: 2

Verdict:

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

correct output
0 0

user output
(empty)

Error:
Traceback (most recent call last):
  File "input/code.py", line 60, in <module>
    Robotti()
  File "input/code.py", line 17, in Robotti
    if r > int(list[-1]):
IndexError: list index out of range

Test 18

Group: 2

Verdict:

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

correct output
299934 10000

user output
299929 9999

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:

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

correct output
133765 3

user output
84564 2

Test 22

Group: 2

Verdict:

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

correct output
199982 5000

user output
199940 4999

Test 23

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)

Test 24

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)