CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Linuzzik
Submission time:2024-10-28 19:15:50 +0200
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#20.00 s1, 2details
#3ACCEPTED0.00 s1, 2details
#4ACCEPTED0.00 s1, 2details
#5ACCEPTED0.00 s1, 2details
#60.00 s1, 2details
#70.00 s1, 2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.00 s1, 2details
#10ACCEPTED0.00 s1, 2details
#110.00 s1, 2details
#120.00 s2details
#130.00 s2details
#140.01 s2details
#15ACCEPTED0.01 s2details
#160.00 s2details
#170.01 s2details
#180.01 s2details
#190.13 s2details
#20ACCEPTED0.01 s2details
#21ACCEPTED0.01 s2details
#22ACCEPTED0.01 s2details
#23--2details
#240.01 s2details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:35:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |                 int u = (r >= m.size()) ? 1000000000 : m[r];
      |                          ~~^~~~~~~~~~~
input/code.cpp:52:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |                         if (r == m.size()) {
      |                             ~~^~~~~~~~~~~

Code

#include<iostream>
#include<vector>
using namespace std;

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

	int n; cin >> n;
	vector<int> m;

	int r = 0;
	int p = 0;
	for (int i = 0; i < n; i++) {
		char c; cin >> c;
		
		if (c == '.') {
			p++;
		}else {
			if (p != 0) {
				m.push_back(p);
			}

			if (c == 'R') {
				r = m.size();
			}
			p = 1;
		}
	}

	int c = 0, w = 0;

	while (m.size() > 0) {
		int l = (r - 1 < 0) ? 1000000000 : m[r - 1];
		int u = (r >= m.size()) ? 1000000000 : m[r];
		
		if (l == u)
			break;
		if (l > u) {
			if (r == 0) {
				w += m[r];
				c++;

				m.erase(m.begin() + r, m.begin() + r + 1);
				continue;
			} 
			m[r - 1] += m[r];
			w += m[r];
			m.erase(m.begin() + r, m.begin() + r + 1);
			c++;
		}else {
			if (r == m.size()) {
				w += m[r - 1];
				c++;

				m.erase(m.begin(), m.begin() + 1);
				continue;
			}
			w += m[r - 1];
			m[r - 1] += m[r];
			m.erase(m.begin() + r, m.begin() + r + 1);
			c++;
			r--;
		}
	}
	cout << w << " " << c;
}

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:

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

correct output
0 0

user output
3 1

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:

input
1000
.................................

correct output
886 9

user output
(empty)

Error:
munmap_chunk(): invalid pointer

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
(empty)

Error:
double free or corruption (out)

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:

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

correct output
999 999

user output
(empty)

Error:
double free or corruption (out)

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
10985 1000

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
(empty)

Error:
double free or corruption (out)

Test 14

Group: 2

Verdict:

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

correct output
18766 5000

user output
(empty)

Error:
double free or corruption (out)

Test 15

Group: 2

Verdict: ACCEPTED

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

correct output
9999 9999

user output
9999 9999

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
(empty)

Error:
double free or corruption (out)

Test 17

Group: 2

Verdict:

input
200000
.................................

correct output
0 0

user output
100000 1

Test 18

Group: 2

Verdict:

input
200000
.................................

correct output
299934 10000

user output
300024 10001

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: 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:

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

correct output
199999 199999

user output
(empty)

Test 24

Group: 2

Verdict:

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

correct output
199999 199999

user output
(empty)