CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Dasuki
Submission time:2024-10-28 02:27:40 +0200
Language:C++ (C++20)
Status:READY
Result:30
Feedback
groupverdictscore
#1ACCEPTED30
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#2ACCEPTED0.00 s1, 2details
#3ACCEPTED0.00 s1, 2details
#4ACCEPTED0.00 s1, 2details
#5ACCEPTED0.00 s1, 2details
#6ACCEPTED0.00 s1, 2details
#7ACCEPTED0.00 s1, 2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.00 s1, 2details
#10ACCEPTED0.01 s1, 2details
#11ACCEPTED0.00 s1, 2details
#12ACCEPTED0.03 s2details
#13ACCEPTED0.00 s2details
#14ACCEPTED0.08 s2details
#15ACCEPTED0.21 s2details
#16ACCEPTED0.01 s2details
#17ACCEPTED0.01 s2details
#18--2details
#19--2details
#20ACCEPTED0.02 s2details
#21ACCEPTED0.01 s2details
#22--2details
#23--2details
#24ACCEPTED0.77 s2details

Code

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

int main() {
	ll n;
	string robo;
	cin >> n >> robo;
	ll steps = 0;
	ll coins = 0;
	while (true) {
		ll roboPos = robo.find("R");
		ll leftCoin = robo.find_last_of("*", roboPos);
		ll rightCoin = robo.find("*", roboPos);
		ll distToLeft = leftCoin == (ll)string::npos ? LLONG_MAX: roboPos-leftCoin;
		ll distToRight = rightCoin == (ll)string::npos ? LLONG_MAX : rightCoin-roboPos;
		if (distToLeft == distToRight) {
			break;
		}
		if (distToLeft < distToRight) {
			robo.replace(roboPos, 1, ".");
			robo.replace(leftCoin, 1, "R");
			steps += distToLeft;
		} else {
			robo.replace(roboPos, 1, ".");
			robo.replace(rightCoin, 1, "R");
			steps += distToRight;
		}
		coins +=1;
	}
	cout << steps << " " << coins << endl;
	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: 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:

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
(empty)

Test 24

Group: 2

Verdict: ACCEPTED

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

correct output
199999 199999

user output
199999 199999