CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:worst
Submission time:2024-10-28 17:21:50 +0200
Language:Python3 (PyPy3)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED30
#2ACCEPTED70
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1, 2details
#2ACCEPTED0.04 s1, 2details
#3ACCEPTED0.04 s1, 2details
#4ACCEPTED0.04 s1, 2details
#5ACCEPTED0.04 s1, 2details
#6ACCEPTED0.04 s1, 2details
#7ACCEPTED0.04 s1, 2details
#8ACCEPTED0.04 s1, 2details
#9ACCEPTED0.04 s1, 2details
#10ACCEPTED0.04 s1, 2details
#11ACCEPTED0.04 s1, 2details
#12ACCEPTED0.05 s2details
#13ACCEPTED0.05 s2details
#14ACCEPTED0.06 s2details
#15ACCEPTED0.05 s2details
#16ACCEPTED0.05 s2details
#17ACCEPTED0.06 s2details
#18ACCEPTED0.07 s2details
#19ACCEPTED0.08 s2details
#20ACCEPTED0.08 s2details
#21ACCEPTED0.06 s2details
#22ACCEPTED0.06 s2details
#23ACCEPTED0.08 s2details
#24ACCEPTED0.08 s2details

Code

import math
 
def intList():
    return list(map(int,input().split()))
 
def intsRow():
    return map(int,input().split())
 
def more(ls, n):
    cnt = 0
    for i in range(len(ls)):
        if ls[i] > n: cnt += 1
 
    return cnt
 
def less(ls, n):
    cnt = 0
    for i in range(len(ls)):
        if ls[i] < n: cnt += 1
 
    return cnt
 
 
n = int(input())
ls = list(input())
 
c = []
btw = 0
r = 0
 
step = 0
coin = 0
 
for i in range(len(ls)):
    if ls[i] == '*':
        c.append(i+1)
 
    if ls[i] == 'R':
        r = i + 1
        btw = len(c)-1
 
nextL = btw
nextR = btw+1
 
def left():
    global step, r, nextL
    step += r - c[nextL]
    r = c[nextL]
    nextL -= 1
 
def right():
    global step, r, nextR
    step += c[nextR] - r
    r = c[nextR]
    nextR += 1
 
while True:
    if nextL == -1 and nextR == len(c): break

    if nextL == -1: right()
    elif nextR == len(c): left()
    elif (r - c[nextL] < c[nextR] - r): left()
    elif (r - c[nextL] > c[nextR] - r): right()
    else:
        break

    coin += 1
 
print(step, coin)

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: 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: ACCEPTED

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

correct output
9999 9999

user output
9999 9999

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: ACCEPTED

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

correct output
299934 10000

user output
299934 10000

Test 19

Group: 2

Verdict: ACCEPTED

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

correct output
299998 100000

user output
299998 100000

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: ACCEPTED

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

correct output
199982 5000

user output
199982 5000

Test 23

Group: 2

Verdict: ACCEPTED

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

correct output
199999 199999

user output
199999 199999

Test 24

Group: 2

Verdict: ACCEPTED

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

correct output
199999 199999

user output
199999 199999