CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Tmotomaster
Submission time:2024-10-28 19:27:53 +0200
Language:C++ (C++20)
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED30
#2ACCEPTED70
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#2ACCEPTED0.00 s1, 2details
#3ACCEPTED0.00 s1, 2details
#4ACCEPTED0.00 s1, 2details
#5ACCEPTED0.00 s1, 2details
#6ACCEPTED0.00 s1, 2details
#7ACCEPTED0.00 s1, 2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.00 s1, 2details
#10ACCEPTED0.00 s1, 2details
#11ACCEPTED0.00 s1, 2details
#12ACCEPTED0.00 s2details
#13ACCEPTED0.00 s2details
#14ACCEPTED0.00 s2details
#15ACCEPTED0.00 s2details
#16ACCEPTED0.00 s2details
#17ACCEPTED0.01 s2details
#18ACCEPTED0.01 s2details
#19ACCEPTED0.01 s2details
#20ACCEPTED0.01 s2details
#21ACCEPTED0.01 s2details
#22ACCEPTED0.01 s2details
#23ACCEPTED0.01 s2details
#24ACCEPTED0.01 s2details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:35:12: warning: 'robotti' may be used uninitialized in this function [-Wmaybe-uninitialized]
   35 |       vasen--;
      |       ~~~~~^~

Code

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

int main() {
  int huoneita;
  string huoneet;
  cin >> huoneita;
  cin >> huoneet;
  int robotti;
  int kolikot = 0;
  for (int i = 0; i < huoneita; i++) {
    if (huoneet[i] == 'R') {
      robotti = i;
    } else if (huoneet[i] == '*') {
      kolikot++;
    }
  }
  int askeleet = 0;
  int saalis = 0;
  int vasenD = 0;
  int oikeaD = 0;
  int vasen = robotti;
  int oikea = robotti;
  bool vasenK = false;
  bool oikeaK = false;
  for (int i = 0; i < huoneita; i++) {
    if (oikea < huoneita - 1 && !oikeaK) {
      oikea++;
      oikeaD++;
    } else if (oikea >= huoneita -1) {
      oikeaD = 2000001;
    }
    if (vasen > 0 && !vasenK) {
      vasen--;
      vasenD++;
    } else if (vasen <= 0) {
      vasenD = 2000001;
    }
    if (huoneet[oikea] == '*') {
      oikeaK = true;
    }
    if (huoneet[vasen] == '*') {
      vasenK = true;
    }
    if (oikeaK && oikeaD < vasenD) {
      saalis++;
      oikeaK = false;
      askeleet += oikeaD;
      vasenD += oikeaD;
      oikeaD = 0;
    } else if (vasenK && vasenD < oikeaD) {
      saalis++;
      vasenK = false;
      askeleet += vasenD;
      oikeaD += vasenD;
      vasenD = 0;
    } else if (vasenK && oikeaK && vasenD == oikeaD) {
      break;
    }
  }
  cout << askeleet << " " << saalis;
  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: 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: ACCEPTED

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

correct output
299998 100000

user output
299998 100000

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: ACCEPTED

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

correct output
199999 199999

user output
199999 199999

Test 24

Group: 2

Verdict: ACCEPTED

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

correct output
199999 199999

user output
199999 199999