CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:SNT
Submission time:2024-11-05 19:21:17 +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
#6ACCEPTED0.00 s1, 2details
#7ACCEPTED0.00 s1, 2details
#8ACCEPTED0.00 s1, 2details
#9ACCEPTED0.00 s1, 2details
#10ACCEPTED0.03 s1, 2details
#11ACCEPTED0.01 s1, 2details
#12ACCEPTED0.03 s2details
#13ACCEPTED0.01 s2details
#14ACCEPTED0.73 s2details
#15--2details
#16ACCEPTED0.47 s2details
#17ACCEPTED0.01 s2details
#18--2details
#19--2details
#20ACCEPTED0.51 s2details
#21ACCEPTED0.01 s2details
#22ACCEPTED0.96 s2details
#23--2details
#24--2details

Code

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;
#define PB push_back
int main() {
int c; // count
string l; // layout
cin >> c;
cin >> l;
int pos = l.find('R') + 1, steps = 0, coins = 0;
vector<int> cp; // coinPos
int i = 1, f = 0; // -, finder
while (f < c && int(l.find('*')) != -1) {
f = l.find('*');
cp.PB(f + i);
l.erase(f, 1);
++i;
}
int cpSize = size(cp);
int lc, rc; // leftCoin, rightCoin
for (int i = 0; i < cpSize; ++i) {
cp.PB(pos);
sort(cp.begin(), cp.end());
auto pi = lower_bound(cp.begin(), cp.end(), pos) - cp.begin(); // posIndex
if (pi != 0) {lc = pos - cp[pi - 1];} else {lc = -1;}
if (pi + 1 != int(size(cp))) {rc = cp[pi + 1] - pos;} else {rc = -1;}
if (lc == rc) {break;}
else if ((lc < rc && lc != -1) || rc == -1) {
cp.erase(cp.begin() + pi); cp.erase(cp.begin() + pi - 1);
pos -= lc; steps += lc;
}
else {
cp.erase(cp.begin() + pi); cp.erase(cp.begin() + pi);
pos += rc; steps += rc;
}
++coins;
}
cout << steps << " " << coins;
}

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:

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

correct output
9999 9999

user output
(empty)

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
(empty)

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)