CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Dasuki
Submission time:2024-10-28 01:02:02 +0200
Language:C++ (C++20)
Status:READY
Result:30
Feedback
groupverdictscore
#1ACCEPTED30
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#2ACCEPTED0.00 s1, 2details
#3ACCEPTED0.00 s1, 2details
#4ACCEPTED0.00 s1, 2details
#5ACCEPTED0.00 s1, 2details
#6ACCEPTED0.01 s1, 2details
#7ACCEPTED0.00 s1, 2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.00 s1, 2details
#10ACCEPTED0.00 s1, 2details
#11ACCEPTED0.00 s1, 2details
#12ACCEPTED0.01 s2details
#13ACCEPTED0.01 s2details
#14ACCEPTED0.02 s2details
#15ACCEPTED0.04 s2details
#16ACCEPTED0.04 s2details
#17ACCEPTED0.01 s2details
#18ACCEPTED0.94 s2details
#19--2details
#20ACCEPTED0.01 s2details
#21ACCEPTED0.01 s2details
#22ACCEPTED0.39 s2details
#23--2details
#24--2details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:20:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   20 |                 if (distToRight<distToLeft && rightCoin != -1 || (rightCoin != -1 && leftCoin == -1)) {
      |                     ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
input/code.cpp:24:51: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   24 |                 } else if (distToLeft<distToRight && leftCoin != -1|| (leftCoin != -1 && rightCoin == -1)) {
      |                            ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~

Code

#include <bits/stdc++.h>
using namespace std;

int main() {
	int n;
	string robo;
	cin >> n >> robo;
	bool stuck = false;
	int steps = 0;
	int coins = 0;
	while (!stuck) {
		int roboPos = robo.find("R");
		string left = robo.substr(0, roboPos);
		reverse(left.begin(), left.end());
		string right = robo.substr(roboPos+1, robo.size() - roboPos);
		int leftCoin = left.find("*");
		int rightCoin = right.find("*");
		int distToLeft = leftCoin+1;
		int distToRight = rightCoin+1;
		if (distToRight<distToLeft && rightCoin != -1 || (rightCoin != -1 && leftCoin == -1)) {
			robo.replace(roboPos, 1, ".");
			robo.replace(roboPos+distToRight, 1, "R");
			steps += distToRight;
		} else if (distToLeft<distToRight && leftCoin != -1|| (leftCoin != -1 && rightCoin == -1)) {
			robo.replace(roboPos, 1, ".");
			robo.replace(roboPos-distToLeft, 1, "R");
			steps += distToLeft;
		} else {
			stuck = true;
			break;
		}
		coins +=1;
	}
	cout << steps << " " << coins << endl;
}

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: 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: 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: ACCEPTED

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

correct output
999 999

user output
999 999

Test 11

Group: 1, 2

Verdict: ACCEPTED

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

correct output
999 999

user output
999 999

Test 12

Group: 2

Verdict: ACCEPTED

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

correct output
10971 999

user output
10971 999

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: ACCEPTED

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

correct output
9999 9999

user output
9999 9999

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: ACCEPTED

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

correct output
299934 10000

user output
299934 10000

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)