CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:hepuu
Submission time:2024-11-01 18:15:24 +0200
Language:Python3 (PyPy3)
Status:READY
Result:30
Feedback
groupverdictscore
#1ACCEPTED30
#20
Test results
testverdicttimegroup
#1ACCEPTED0.06 s1, 2details
#2ACCEPTED0.06 s1, 2details
#3ACCEPTED0.06 s1, 2details
#4ACCEPTED0.06 s1, 2details
#5ACCEPTED0.06 s1, 2details
#6ACCEPTED0.06 s1, 2details
#7ACCEPTED0.07 s1, 2details
#8ACCEPTED0.06 s1, 2details
#9ACCEPTED0.06 s1, 2details
#10ACCEPTED0.07 s1, 2details
#11ACCEPTED0.08 s1, 2details
#120.07 s2details
#130.06 s2details
#140.08 s2details
#150.08 s2details
#160.07 s2details
#17ACCEPTED0.06 s2details
#180.11 s2details
#19--2details
#20ACCEPTED0.09 s2details
#210.07 s2details
#220.07 s2details
#23--2details
#240.09 s2details

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 True:
        if list == []:
            break
        elif r > int(list[-1]):
            coinL=abs(int(list[-1])-r)
            I = -1
            ask += coinL
            r = int(list[-1])
            del list[-1]
        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
        ask-=1
        I = 0
    print(ask, coins)
def Robot():
    mj=input()
    coinR=mj[mj.find("R"):].find("*")
    coinL=mj[mj.find("R"): :-1].find("*")
    c=0
    ask=0
    while (coinL==coinR)==False:
        if coinR<coinL and coinR>0 or coinL==-1:
            mj1=mj[:mj.find("R")+1].replace("R",".")
            mj2=mj[mj.find("R")+1:].replace("*","R",1)
            mj=mj1+mj2
            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)
            mj1=mj1[::-1]
            mj2 = mj[mj.find("R")+1:]
            mj=mj1+mj2
            c+=1
            ask+=coinL
        coinR = mj[mj.find("R"):].find("*")
        coinL = mj[mj.find("R"): :-1].find("*")

    print(ask, c)
if int(n) > 1000:
    Robotti()
else:
    Robot()

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: ACCEPTED

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

correct output
999 999

user output
999 999

Test 11

Group: 1, 2

Verdict: ACCEPTED

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

correct output
999 999

user output
999 999

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
9927 998

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
9000 999

Test 14

Group: 2

Verdict:

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

correct output
18766 5000

user output
13766 5000

Test 15

Group: 2

Verdict:

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

correct output
9999 9999

user output
0 9998

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
0 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
289930 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
84562 2

Test 22

Group: 2

Verdict:

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

correct output
199982 5000

user output
194941 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
0 199999