CSES - Datatähti 2025 alku

CSES - Datatähti 2025 alku - Results

Submission details
Task:	Robotti
Sender:	Elmortti
Submission time:	2024-10-29 23:51:38 +0200
Language:	C++ (C++20)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	RUNTIME ERROR	0
#2	RUNTIME ERROR	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 s	1, 2	details
#2	ACCEPTED	0.00 s	1, 2	details
#3	ACCEPTED	0.00 s	1, 2	details
#4	ACCEPTED	0.00 s	1, 2	details
#5	ACCEPTED	0.00 s	1, 2	details
#6	RUNTIME ERROR	0.00 s	1, 2	details
#7	RUNTIME ERROR	0.00 s	1, 2	details
#8	ACCEPTED	0.00 s	1, 2	details
#9	ACCEPTED	0.00 s	1, 2	details
#10	ACCEPTED	0.01 s	1, 2	details
#11	ACCEPTED	0.01 s	1, 2	details
#12	ACCEPTED	0.01 s	2	details
#13	RUNTIME ERROR	0.00 s	2	details
#14	RUNTIME ERROR	0.01 s	2	details
#15	ACCEPTED	0.09 s	2	details
#16	ACCEPTED	0.12 s	2	details
#17	ACCEPTED	0.01 s	2	details
#18	ACCEPTED	0.06 s	2	details
#19	TIME LIMIT EXCEEDED	--	2	details
#20	ACCEPTED	0.01 s	2	details
#21	ACCEPTED	0.01 s	2	details
#22	ACCEPTED	0.03 s	2	details
#23	TIME LIMIT EXCEEDED	--	2	details
#24	TIME LIMIT EXCEEDED	--	2	details

Code

#include <climits>
#include <iostream>
#include <vector>

int closest(const std::vector<int>& vec, int value) {
	int vecSize = vec.size();
	if (vec.empty() == true) { return INT_MAX; }
	else if (vec.size() <= 1) { return 0; }

	int pos1 = 0;
	int pos2 = 0;

	for (int i = 0; i < (vecSize - 1); i++) {
		pos1 = i;
		pos2 = i + 1;
		if (vec.at(pos1) < value && value < vec.at(pos2)) {
			break;
		}
	}

	if (vec.at(pos1) > value && vec.at(pos2) > value) {
		return 0;
	} else if (vec.at(pos1) < value && vec.at(pos2) < value) {
		return vec.back();
	}

	int val1 = abs(value - vec[pos1]);
	int val2 = abs(value - vec[pos2]);

	if (val1 == val2) {
		return INT_MAX;
	} else if (val1 < val2) {
		return pos1;
	} else {
		return pos2;
	}

	return INT_MAX;
}

int main() {
	// Initialize variables
	int n;
	std::string m;
	std::vector<int> coins;
	std::vector<int> positions;
	int R = 0;
	int collected = 0;
	int steps = 0;
	int index = 0;
	char c;

	// Take input
	std::cin >> n >> m;

	// Get locations of coins and robot
	for (int i = 0; i < n; i++) {
		c = m.at(i);
		if (c == '*') {
			coins.push_back(i);
		} else if (c == 'R') {
			R = i;
		}
	}

	while (index != INT_MAX) {
		index = closest(coins, R);

		if (index != INT_MAX) {
			collected++;
			steps = steps + abs(R - coins.at(index));
			R = coins.at(index);
			coins.erase(coins.begin() + index);
		}
	}

	std::cout << steps << " " << collected;

	return 0;
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
`1 R` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 2

Group: 1, 2

Verdict: ACCEPTED

input
`10 ...R......` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 3

Group: 1, 2

Verdict: ACCEPTED

input
`10 .R...*` view save

correct output
`12 5` view save

user output
`12 5` view save

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
`10 *R****` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 5

Group: 1, 2

Verdict: ACCEPTED

input
`1000 R................................` view save

correct output
`947 9` view save

user output
`947 9` view save

Test 6

Group: 1, 2

Verdict: RUNTIME ERROR

input
`1000 .................................` view save

correct output
`886 9` view save

user output
(empty)

Error:

terminate called after throwing an instance of 'std::out_of_range'
  what():  vector::_M_range_check: __n (which is 840) >= this->size() (which is 9)

Test 7

Group: 1, 2

Verdict: RUNTIME ERROR

input
`1000 .........................` view save

correct output
`1287 400` view save

user output
(empty)

Error:

terminate called after throwing an instance of 'std::out_of_range'
  what():  vector::_M_range_check: __n (which is 691) >= this->size() (which is 279)

Test 8

Group: 1, 2

Verdict: ACCEPTED

input
`1000 **********.***************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 9

Group: 1, 2

Verdict: ACCEPTED

input
`1000 ******************************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 10

Group: 1, 2

Verdict: ACCEPTED

input
`1000 R*****************************...` view save

correct output
`999 999` view save

user output
`999 999` view save

Test 11

Group: 1, 2

Verdict: ACCEPTED

input
`1000 ******************************...` view save

correct output
`999 999` view save

user output
`999 999` view save

Test 12

Group: 2

Verdict: ACCEPTED

input
`10000 .......*...................*...` view save

correct output
`10971 999` view save

user output
`10971 999` view save

Test 13

Group: 2

Verdict: RUNTIME ERROR

input
`10000 ...........................` view save

correct output
`9999 999` view save

user output
(empty)

Error:

terminate called after throwing an instance of 'std::out_of_range'
  what():  vector::_M_range_check: __n (which is 9994) >= this->size() (which is 999)

Test 14

Group: 2

Verdict: RUNTIME ERROR

input
`10000 ...............*.....` view save

correct output
`18766 5000` view save

user output
(empty)

Error:

terminate called after throwing an instance of 'std::out_of_range'
  what():  vector::_M_range_check: __n (which is 1223) >= this->size() (which is 657)

Test 15

Group: 2

Verdict: ACCEPTED

input
`10000 R*****************************...` view save

correct output
`9999 9999` view save

user output
`9999 9999` view save

Test 16

Group: 2

Verdict: ACCEPTED

input
`10000 ******************************...` view save

correct output
`9999 9999` view save

user output
`9999 9999` view save

Test 17

Group: 2

Verdict: ACCEPTED

input
`200000 .................................` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 18

Group: 2

Verdict: ACCEPTED

input
`200000 .................................` view save

correct output
`299934 10000` view save

user output
`299934 10000` view save

Test 19

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 ............*...*....` view save

correct output
`299998 100000` view save

user output
(empty)

Test 20

Group: 2

Verdict: ACCEPTED

input
`200000 ******************************...` view save

correct output
`0 0` view save

user output
`0 0` view save

Test 21

Group: 2

Verdict: ACCEPTED

input
`200000 R................................` view save

correct output
`133765 3` view save

user output
`133765 3` view save

Test 22

Group: 2

Verdict: ACCEPTED

input
`200000 R................................` view save

correct output
`199982 5000` view save

user output
`199982 5000` view save

Test 23

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 R*****************************...` view save

correct output
`199999 199999` view save

user output
(empty)

Test 24

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 ******************************...` view save

correct output
`199999 199999` view save

user output
(empty)

Datatähti 2025 alku

Robotti

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Tasks

Submissions (Elmortti)