CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Elmortti
Submission time:2024-10-30 03:09:56 +0200
Language:C++ (C++20)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#2ACCEPTED0.00 s1, 2details
#30.00 s1, 2details
#4ACCEPTED0.00 s1, 2details
#50.00 s1, 2details
#6ACCEPTED0.00 s1, 2details
#7ACCEPTED0.00 s1, 2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.00 s1, 2details
#100.00 s1, 2details
#11ACCEPTED0.00 s1, 2details
#120.00 s2details
#13ACCEPTED0.01 s2details
#14ACCEPTED0.02 s2details
#150.00 s2details
#16ACCEPTED0.04 s2details
#17ACCEPTED0.01 s2details
#180.18 s2details
#19--2details
#20ACCEPTED0.01 s2details
#210.01 s2details
#220.01 s2details
#230.01 s2details
#24--2details

Code

#include <iostream>
using namespace std;

int closest(const string &str, int v) {
	int p1 = -1, p2 = -1;

	for (int i = v; i > -1; i--) {
		char c; 
		c = str.at(i);
		if (c == '*') {
			p1 = i;
			break;
		}
	}

	for (unsigned int i = v; i < str.length() ; i++) {
		char c;
		c = str.at(i);
		if (c == '*') {
			p2 = i;
			break;
		}
	}

	int v1 = abs(v - p1);
	int v2 = abs(v - p2);

	if (v1 == v2) {
		return -1;
	} else if (p2 == -1) {
		return p1;
	} else if (v1 < v2) {
		return p1;
	} else {
		return p2;
	}
}

int main() {
	int n;
	string m;
	int R = 0, coins = 0, steps = 0, indx = 0;
	cin >> n >> m;
	for (int i = 0; i < n; i++) {
		char c;
		c = m.at(i);
		if (c == 'R') {
			R = i;
			break;
		}
	}

	while (indx != -1) {
		indx = closest(m, R);
		if (indx == -1) {
			break;
		}

		m[indx] = 'R';
		m[R] = '.';
		// cout << m << endl;

		steps = steps + abs(R - indx);
		coins++;
		R = indx;
	}

	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:

input
10
**.R...***

correct output
12 5

user output
3 2

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
0 0

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:

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

correct output
999 999

user output
0 0

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
998 99

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:

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

correct output
9999 9999

user output
0 0

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
99985 5054

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
0 0

Test 22

Group: 2

Verdict:

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

correct output
199982 5000

user output
0 0

Test 23

Group: 2

Verdict:

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

correct output
199999 199999

user output
0 0

Test 24

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)