CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Linuzzik
Submission time:2024-10-29 07:14:35 +0200
Language:C++ (C++11)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED30
#2ACCEPTED70
Test results
testverdicttimegroup
#1ACCEPTED0.01 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
#10ACCEPTED0.00 s1, 2details
#11ACCEPTED0.00 s1, 2details
#12ACCEPTED0.00 s2details
#13ACCEPTED0.00 s2details
#14ACCEPTED0.01 s2details
#15ACCEPTED0.01 s2details
#16ACCEPTED0.01 s2details
#17ACCEPTED0.01 s2details
#18ACCEPTED0.01 s2details
#19ACCEPTED0.04 s2details
#20ACCEPTED0.06 s2details
#21ACCEPTED0.01 s2details
#22ACCEPTED0.01 s2details
#23ACCEPTED0.08 s2details
#24ACCEPTED0.09 s2details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:14:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |         for (int i = 0; i < s.length(); i++) {
      |                         ~~^~~~~~~~~~~~

Code

#include<iostream>
#include<set>
#include<math.h>
using namespace std;

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);

	int n; string s; cin >> n >> s;
	set<int> m;

	int r = 0;
	for (int i = 0; i < s.length(); i++) {
		char c = s.at(i);

		if (c == 'R') {
			r = i;
		}
		else if (c == '*') {
			m.insert(i);
		}
	}

	int w = 0, c = 0;
	while (!m.empty()) {
		auto ub = m.lower_bound(r);
		int t;

		if (ub == m.end()) {
			t = *prev(ub);
		} else if (ub == m.begin()) {
			t = *ub;
		}else {
			int d = abs(*prev(ub) - r);
			int u = abs(*ub - r);

			if (d == u)
				break;
			t = (d < u) ? *prev(ub) : *ub;
		}

		w += abs(t - r);
		r = t;
		c++;
		m.erase(m.find(t));
	}
	cout << w << " " << c << "\n";
}

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