CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:zli0122
Submission time:2024-10-28 10:50:13 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.00 s1, 2details
#20.00 s1, 2details
#30.00 s1, 2details
#4ACCEPTED0.01 s1, 2details
#50.00 s1, 2details
#60.00 s1, 2details
#70.00 s1, 2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.00 s1, 2details
#100.00 s1, 2details
#110.00 s1, 2details
#120.00 s2details
#130.00 s2details
#140.00 s2details
#150.00 s2details
#160.00 s2details
#170.01 s2details
#180.01 s2details
#190.01 s2details
#20ACCEPTED0.01 s2details
#210.01 s2details
#220.01 s2details
#230.01 s2details
#240.01 s2details

Code

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

int main() {
	int n;
	cin >> n;
	stack<int> left, right;
	vector<int> positions;
	int robot_pos = 0;
	string s;
	cin >> s;
	for (int i=0; i < n; i++){
		if (s[i] == 'R')
			robot_pos = positions.size();
		if (s[i] != '.')
			positions.push_back(i);
	}

	stack<int> dleft, dright;

	dleft.push(positions[0]);

	for (int i=1; i <= robot_pos; i++){
		dleft.push(positions[i]-positions[i-1]);
	}
	for (int i=positions.size()-1; i > robot_pos; i--){
		dright.push(positions[i]-positions[i-1]);
	}

	int steps = 0, coins = 0;
	while (true) {
		int l = dleft.top(); int r = dright.top();
		if (l == r) break;
		if (dleft.empty() || dright.empty()) break;
		dleft.pop();
		dright.pop();

		if (l < r) {
			dright.push(l+r);
			steps += l;
		} else {
			dleft.push(l+r);
			steps += r;
		}
		coins++;
	}

	cout << steps << " " << coins << "\n";
}
	

Test details

Test 1

Group: 1, 2

Verdict:

input
1
R

correct output
0 0

user output
(empty)

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: 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
(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: 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
(empty)

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
0 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
0 0

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
(empty)

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
0 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: 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
(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
(empty)

Test 24

Group: 2

Verdict:

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

correct output
199999 199999

user output
0 0