CSES - Datatähti 2025 alku

Submission details
Task:	Robotti
Sender:	aksu
Submission time:	2024-11-04 20:27:05 +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	0.00 s	1, 2	details
#2	ACCEPTED	0.00 s	1, 2	details
#3	RUNTIME ERROR	0.00 s	1, 2	details
#4	ACCEPTED	0.00 s	1, 2	details
#5	RUNTIME ERROR	0.00 s	1, 2	details
#6	WRONG ANSWER	0.01 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	WRONG ANSWER	0.00 s	1, 2	details
#11	WRONG ANSWER	0.01 s	1, 2	details
#12	RUNTIME ERROR	0.00 s	2	details
#13	WRONG ANSWER	0.01 s	2	details
#14	RUNTIME ERROR	0.00 s	2	details
#15	WRONG ANSWER	0.00 s	2	details
#16	WRONG ANSWER	0.01 s	2	details
#17	ACCEPTED	0.01 s	2	details
#18	RUNTIME ERROR	0.01 s	2	details
#19	RUNTIME ERROR	0.01 s	2	details
#20	ACCEPTED	0.01 s	2	details
#21	RUNTIME ERROR	0.01 s	2	details
#22	RUNTIME ERROR	0.01 s	2	details
#23	WRONG ANSWER	0.01 s	2	details
#24	RUNTIME ERROR	0.02 s	2	details

Compiler report

input/code.cpp: In function 'void valit()':
input/code.cpp:45:20: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |         if (rP + 1 == v.size()) {
      |             ~~~~~~~^~~~~~~~~~~

Code

#include <iostream>

#include <vector>
#include <cmath>
#include <chrono>
#include <algorithm>
#include <iomanip>
#include <sstream>

using namespace std;
typedef long long ll;

// INPUT

ll n;
string input;


vector<int> v;

ll rP;
ll rH;

ll vH;
ll vV;

ll oH;
ll oV;


// tee oikea, tee vasen

bool doRight = true;
bool doLeft = true;

// kolikot ja askeleet

ll as;
ll k;

void valit() {
	if (rP == -1) {
		doLeft = false;
	}
	if (rP + 1 == v.size()) {
  		doRight = false;
	}

	if (doRight)oH = v[rP + 1];
	if (doLeft)vH = v[rP];

	if (doLeft)vV = rH - vH;
	else vV = -1;
	if (doRight)oV = oH - rH;
	else oV = -1;
}

int main() {
	cin >> n;

	cin >> input;

	for (int i = 0; i < n; i++) {
		if (input[i] == 'R') {
			rH = i;
			rP = v.size()-1;
		}

		if (input[i] == '*') {
			v.push_back(i);
		}
	}

	//tsekkaa oikealta ja vasemmalta
	while (true) {
		valit();

		// jos vasemmalla ei mit��n ja oikealla ei mit��n tai yht� suuret v�lit
		if ((vV == -1 && oV == -1 )|| vV == oV) {
			cout << as << " " << k;
			break; 
		}

		//logiikat

		if (vV == -1) {
			// menn��n oikealle

			as += oV;
			k++;

			// robotin huone
			rH = oH;

			// tuhotaan oikea koinni
			swap(v[rP + 1], v.back());
			v.pop_back();
			rP--;
			continue;
		}
		else if (oV == -1) {
			//menn��n vasemmalle

			as += vV;
			k++;
			// robotin huone
			rH = vH;

			swap(v[rP], v.back());
			v.pop_back();
			cout << v.size();
			continue;
		}

		if (vV < oV) {
			//menn��n vasemmalle
			as += vV;
			k++;

			// robotin huone
			rH = vH;

			swap(v[rP], v.back());
			v.pop_back();

			rP--;

			continue;
		}
		else if (oV < vV) {
			// menn��n oikealle
			as += oV;
			k++;

			// robotin huone
			rH = oH;

			// tuhotaan oikea koinni
			swap(v[rP + 1], v.back());
			v.pop_back();
			continue;

		}
	}

}

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: RUNTIME ERROR

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

correct output
`12 5` view save

user output
(empty)

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: RUNTIME ERROR

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

correct output
`947 9` view save

user output
(empty)

Error:

munmap_chunk(): invalid pointer

Test 6

Group: 1, 2

Verdict: WRONG ANSWER

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

correct output
`886 9` view save

user output
`876543210184467440737095516151...` view save

Test 7

Group: 1, 2

Verdict: RUNTIME ERROR

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

correct output
`1287 400` view save

user output
(empty)

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: WRONG ANSWER

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

correct output
`999 999` view save

user output
`1 1` view save

Test 11

Group: 1, 2

Verdict: WRONG ANSWER

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

correct output
`999 999` view save

user output
`998997996995994993992991990989...` view save

Test 12

Group: 2

Verdict: RUNTIME ERROR

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

correct output
`10971 999` view save

user output
(empty)

Error:

malloc(): invalid next size (unsorted)

Test 13

Group: 2

Verdict: WRONG ANSWER

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

correct output
`9999 999` view save

user output
`998997996995994993992991990989...` view save

Test 14

Group: 2

Verdict: RUNTIME ERROR

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

correct output
`18766 5000` view save

user output
(empty)

Error:

malloc(): invalid next size (unsorted)

Test 15

Group: 2

Verdict: WRONG ANSWER

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

correct output
`9999 9999` view save

user output
`1 1` view save

Test 16

Group: 2

Verdict: WRONG ANSWER

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

correct output
`9999 9999` view save

user output
`999899979996999599949993999299...` 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: RUNTIME ERROR

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

correct output
`299934 10000` view save

user output
(empty)

Error:

malloc(): invalid next size (unsorted)

Test 19

Group: 2

Verdict: RUNTIME ERROR

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: RUNTIME ERROR

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

correct output
`133765 3` view save

user output
(empty)

Test 22

Group: 2

Verdict: RUNTIME ERROR

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

correct output
`199982 5000` view save

user output
(empty)

Error:

malloc(): invalid next size (unsorted)

Test 23

Group: 2

Verdict: WRONG ANSWER

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

correct output
`199999 199999` view save

user output
`1 1` view save

Test 24

Group: 2

Verdict: RUNTIME ERROR

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

correct output
`199999 199999` view save

user output
`199998199997199996199995199994...` view save

Datatähti 2025 alku

Robotti

Compiler report

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 (aksu)