CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:Kemm1706
Submission time:2024-11-01 19:06:23 +0200
Language:C++ (C++11)
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
#7ACCEPTED0.01 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
#17ACCEPTED0.00 s2details
#18ACCEPTED0.01 s2details
#19ACCEPTED0.01 s2details
#20ACCEPTED0.01 s2details
#21ACCEPTED0.00 s2details
#22ACCEPTED0.00 s2details
#23ACCEPTED0.01 s2details
#24ACCEPTED0.01 s2details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:19:67: warning: variable 't' set but not used [-Wunused-but-set-variable]
   19 |     ll n, i = 0, p, ir = 0, il = 0, sr = 0, sl = 0, s = 0, c = 0, t;
      |                                                                   ^

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector <ll> vl;
const ll inf = 1e18;
void out(const vl &a)
{
for(auto x : a)
cerr << x << " ";
cerr << "\n";
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
ll n, i = 0, p, ir = 0, il = 0, sr = 0, sl = 0, s = 0, c = 0, t;
string st; vl l, r;
cin >> n >> st;
while(st[i] != 'R')
i++;
p = i;
for(; i < n; i++)
if(st[i] == '*')
r.push_back(i - p);
for(i = p - 1; i >= 0; i--)
if(st[i] == '*')
l.push_back(p - i);
l.push_back(inf); r.push_back(inf);
//cerr << p << "\n"; out(l); out(r);
while(r[ir] - sr != l[il] - sl)
{
if(r[ir] - sr < l[il] - sl)
{
s += r[ir] - sr;
t = p;
p += r[ir] - sr;
sl -= r[ir] - sr;
sr += r[ir] - sr;
ir++; c++;
//cerr << "r: " << p << " " << sl << " " << sr << "\n";
}
else
{
s += l[il] - sl;
t = p;
p -= l[il] - sl;
sr -= l[il] - sl;
sl += l[il] - sl;
il++; c++;
//cerr << "l: " << p << " " << sl << " " << sr << "\n";
}
if(r[ir] == inf && l[il] == inf)
break;
}
cout << s << " " << c;
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