CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:drvilepis
Submission time:2024-10-28 10:12:36 +0200
Language:C++ (C++20)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1--1, 2details
#2--1, 2details
#3--1, 2details
#4ACCEPTED0.00 s1, 2details
#5--1, 2details
#6--1, 2details
#7--1, 2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.00 s1, 2details
#10--1, 2details
#11--1, 2details
#12--2details
#13--2details
#14--2details
#15--2details
#16--2details
#17--2details
#18--2details
#190.01 s2details
#20ACCEPTED0.01 s2details
#21--2details
#22--2details
#23--2details
#24--2details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:13:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for (int i = 0; i < rooms.length(); ++i) {
      |                     ~~^~~~~~~~~~~~~~~~
input/code.cpp:24:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |             if (robot + i < rooms.length() && robot - i >= 0 && rooms[robot+i] == '*' && rooms[robot-i] == '*') {
      |                 ~~~~~~~~~~^~~~~~~~~~~~~~~~
input/code.cpp:33:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |             } else if (robot + i < rooms.length() && rooms[robot+i] == '*') {
      |...

Code

#include <algorithm>
#include <iostream>
#include <string>
int main() {
int n;
std::cin >> n;
std::string rooms;
std::cin >> rooms;
int robot;
for (int i = 0; i < rooms.length(); ++i) {
if (rooms[i] == 'R') robot = i;
}
int coins = 0;
int steps = 0;
bool done = false;
while (!done) {
int i = 1;
for (; i <= std::max(robot, (int)rooms.length() - robot - 1); ++i) {
if (robot + i < rooms.length() && robot - i >= 0 && rooms[robot+i] == '*' && rooms[robot-i] == '*') {
done = true;
break;
} else if (robot - i >= 0 && rooms[robot-i] == '*') {
rooms[robot] = '.';
robot -= i;
coins++;
steps += i;
break;
} else if (robot + i < rooms.length() && rooms[robot+i] == '*') {
rooms[robot] = '.';
robot += i;
coins++;
steps += i;
break;
}
}
if (i == std::max(robot, (int)rooms.length() - robot) - 1) {
done = true;
}
}
std::cout << steps << " " << coins << "\n";
}

Test details

Test 1

Group: 1, 2

Verdict:

input
1
R

correct output
0 0

user output
(empty)

Test 2

Group: 1, 2

Verdict:

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

correct output
0 0

user output
(empty)

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)

Test 6

Group: 1, 2

Verdict:

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

correct output
886 9

user output
(empty)

Test 7

Group: 1, 2

Verdict:

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

correct output
1287 400

user output
(empty)

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
(empty)

Test 11

Group: 1, 2

Verdict:

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

correct output
999 999

user output
(empty)

Test 12

Group: 2

Verdict:

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

correct output
10971 999

user output
(empty)

Test 13

Group: 2

Verdict:

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

correct output
9999 999

user output
(empty)

Test 14

Group: 2

Verdict:

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

correct output
18766 5000

user output
(empty)

Test 15

Group: 2

Verdict:

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

correct output
9999 9999

user output
(empty)

Test 16

Group: 2

Verdict:

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

correct output
9999 9999

user output
(empty)

Test 17

Group: 2

Verdict:

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

correct output
0 0

user output
(empty)

Test 18

Group: 2

Verdict:

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

correct output
299934 10000

user output
(empty)

Test 19

Group: 2

Verdict:

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

correct output
299998 100000

user output
200004 50041

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
(empty)

Test 22

Group: 2

Verdict:

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

correct output
199982 5000

user output
(empty)

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)