CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:asonnine
Submission time:2024-10-28 08:59:33 +0200
Language:C++ (C++17)
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
#13ACCEPTED0.00 s2details
#14ACCEPTED0.02 s2details
#150.00 s2details
#16ACCEPTED0.01 s2details
#17ACCEPTED0.01 s2details
#180.03 s2details
#19--2details
#20ACCEPTED0.01 s2details
#210.01 s2details
#220.02 s2details
#230.01 s2details
#24ACCEPTED0.34 s2details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:18:40: warning: comparison of integer expressions of different signedness: 'int' and 'const size_type' {aka 'const long unsigned int'} [-Wsign-compare]
   18 |                 } else if (c-b<b-d && c!=string::npos) {
      |                                       ~^~~~~~~~~~~~~~

Code

#include <bits/stdc++.h>

using namespace std;

int main() {
	int x;
	cin >> x;
	string a;
	cin >> a;
	int b = a.find('R');
	int coins = 0;
	int steps = 0;
	while (a.find('*')!=string::npos) {
		int c=a.find('*',b);
		int d=a.find_last_of('*',b);
		if (c-b==b-d){
			break;
		} else if (c-b<b-d && c!=string::npos) {
			coins++;
			steps += c-b;
			b = c;
			a[b]='R';
		} else {
			coins++;
			steps += b-d;
			b = d;
			a[b]='R';
		}
		//cout << a << "\n";
	}
	cout << steps << " " << coins << "\n";
	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
(empty)

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
(empty)

Error:
double free or corruption (out)

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
(empty)

Error:
malloc(): invalid next size (unsorted)

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
-141 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:

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

correct output
133765 3

user output
-70142 4

Test 22

Group: 2

Verdict:

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

correct output
199982 5000

user output
-66 5001

Test 23

Group: 2

Verdict:

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

correct output
199999 199999

user output
0 0

Test 24

Group: 2

Verdict: ACCEPTED

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

correct output
199999 199999

user output
199999 199999