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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#361162#8287. Caught in the Middlepaoxiaomo#TL 172ms5640kbC++203.2kb2024-03-22 21:04:052024-03-22 21:04:06

Judging History

你现在查看的是最新测评结果

  • [2024-03-22 21:04:06]
  • 评测
  • 测评结果:TL
  • 用时:172ms
  • 内存:5640kb
  • [2024-03-22 21:04:05]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define int long long
struct pxm_hash
{
    int n;
    string str;
    vector<int> p, h;
    vector<int> p1, h1;
    int Mod = 1e9 + 7;
    int P = 13331;
    int P1 = 100153;
    int Mod1 = 998244353;
    pxm_hash(int _n, string _str) : n(_n), str(' ' + _str) { init(); }
    pxm_hash(string _str) : n(_str.size()), str(' ' + _str) { init(); }
    pxm_hash() {}
    void set_mod(int _Mod) { this->Mod = _Mod; }
    void set_P(int _P) { this->P = _P; }
    void init()
    {
        p.resize(n + 1);
        h.resize(n + 1);
        p[0] = 1;
        for (int i = 1; i <= n; i++)
        {
            h[i] = (h[i - 1] * P % Mod + str[i] - 'a' + 1) % Mod;
            p[i] = p[i - 1] * P % Mod;
        }
    }
    void init_double()
    {
        p1.resize(n + 1);
        h1.resize(n + 1);
        p1[0] = 1;
        for (int i = 1; i <= n; i++)
        {
            h1[i] = (h1[i - 1] * P1 % Mod1 + str[i] - 'a' + 1) % Mod1;
            p1[i] = p1[i - 1] * P1 % Mod1;
        }
    }
    int get_hash_single(int l, int r)
    {
        return (h[r] - h[l - 1] * p[r - l + 1] % Mod + Mod) % Mod;
    }
    pair<int, int> get_hash_double(int l, int r)
    {
        return {(h[r] - h[l - 1] * p[r - l + 1] % Mod + Mod) % Mod, (h1[r] - h1[l - 1] * p1[r - l + 1] % Mod1 + Mod1) % Mod1};
    }
};
unordered_map<int, int> mp;
void solve()
{
    int n;
    string s;
    cin >> n >> s;
    pxm_hash hx(n, s);
    auto dfs = [&](auto &&dfs, int l, int r) -> long long
    {
        if (l > r)
            return 0;
        if (mp.count(hx.get_hash_single(l, r)))
            return mp[hx.get_hash_single(l, r)];
        for (int i = l; i <= r; i++)
        {
            if (s[i] == 'L')
            {
                if (dfs(dfs, l, i - 1) == 0)
                    return mp[hx.get_hash_single(l, r)] = 1;
            }
            else
            {
                if (dfs(dfs, i + 1, r) == 0)
                    return mp[hx.get_hash_single(l, r)] = 1;
            }
        }
        return mp[hx.get_hash_single(l, r)] = 0;
    };

    // cout << dfs(dfs, "RLRLRLRL");
    // int n;
    // cin >> n;
    // string s;
    // cin >> s;
    // cout << dfs(dfs, s) << endl;
    s = " " + s;
    auto outp = [&](string s)
    {
        // cout << s << ":";
        if (dfs(dfs, 1, n) == 1)
            cout << "Alice" << '\n';
        else
            cout << "Bob" << '\n';
    };
    // auto gen = [&](auto &&gen, string s)
    // {
    //     if (s.size() > 14)
    //         return;
    //     if (s.size() == 14)
    //         if (check(s) != dfs(dfs, s))
    //         {
    //             outp(s);
    //         }
    //     // if (dfs(dfs, s) == 0)
    //     // {
    //     //     outp(s);
    //     // }
    //     gen(gen, s + 'L');
    //     gen(gen, s + 'R');
    // };
    // gen(gen, "");
    // string s;
    // for (int i = 1; i <= 1e6; i++)
    // {
    //     if (rand() % 2)
    //         s += 'L';
    //     else
    //         s += 'R';
    // }
    outp(s);
}
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int T = 1;
    cin >> T;
    while (T--)
        solve();
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3648kb

input:

20
10
RLRRRRLLRR
10
LRLLLLRRLR
6
RLRLRL
10
LLRLRRRRLR
6
LRRLLL
3
RLR
5
LLRRR
6
RRRRRL
9
LRRRLRRLR
1
R
10
RRRLLRRLLL
6
LRLLLR
9
LLRLRLRLR
7
RRRRLRR
2
LL
10
RRRLLRRLRR
2
RL
7
RRLRRLR
3
LLR
10
LLRLRRRLLR

output:

Alice
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Alice
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Bob
Alice
Alice
Alice

result:

ok 20 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 3648kb

input:

20
7
LRLLRRR
8
LRLRLRRR
3
RLL
10
RLRLRLRLRL
10
RLRLRLRLRL
6
RLLLRL
10
RLRLRLRLLL
5
RLRRR
2
LL
10
RRRRLRLRLL
7
LLRRLLR
3
LRR
10
RRRRRLLLLL
10
RLRRRLRLRR
2
LR
6
RRLLLL
4
RRLR
10
LRLRLLRLRR
4
LRLL
10
RRLLRRRLLL

output:

Alice
Alice
Alice
Bob
Bob
Alice
Alice
Alice
Alice
Alice
Alice
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Alice
Bob

result:

ok 20 lines

Test #3:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

20
8
LLLRRRRR
10
LRRRLRLLRL
10
RLRLRLRLRL
6
RRLRRL
10
RLLLLRLLRR
2
RR
8
LLRRRLRL
10
LRLRLRRRRR
4
RRLL
5
LLRLL
10
RLRRLLRLRL
1
R
10
RLLRRLRLLL
10
LLLRLLRLRR
10
LRRLRLLRRR
3
RRL
10
RRRLRLLRLL
1
L
3
RRL
5
LRRLL

output:

Alice
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Bob
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Bob
Alice
Alice
Alice

result:

ok 20 lines

Test #4:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

20
6
RLRLLL
2
RL
10
LRRRLRLRLR
7
LLLRRRR
3
RRR
3
LRL
10
LRLRRLLLLR
10
RRLLLLRLLR
5
LLLLL
10
RLRLLRLRLR
8
RRLRLRLL
9
RRLRLRRLR
8
RLRLRLRL
1
R
10
RRLRLRRRLL
3
LLL
1
L
6
LLLRLL
10
RLRLRLRRLL
3
LRL

output:

Alice
Bob
Alice
Alice
Alice
Alice
Alice
Alice
Alice
Alice
Bob
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Bob
Alice

result:

ok 20 lines

Test #5:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

20
4
RLRL
10
RRRLLRLLRL
10
RLRRLRLRLL
4
RLRL
4
RLRL
2
LR
2
RL
1
R
6
RRLRLL
10
RRRLRRLLLL
1
L
10
RLLRRRLLLL
2
RL
8
RRRRLLLL
10
RRLRRRLLLL
10
RLRRLRLRLL
10
RRLLRRLRLL
1
L
4
RLRL
4
RLRL

output:

Bob
Bob
Bob
Bob
Bob
Alice
Bob
Alice
Bob
Bob
Alice
Alice
Bob
Bob
Bob
Bob
Bob
Alice
Bob
Bob

result:

ok 20 lines

Test #6:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

20
10
RRLLRLRRLL
4
RLRL
10
RRLLRLRLRL
1
L
2
LR
3
LLR
10
RLRRLRRLLL
10
RRLLRRLLRL
3
RRL
10
RRLRLLRRLL
1
L
10
RRRLLRLLRL
8
RLRLRRLL
10
RRLRLRLRLL
8
RRLLRRLL
3
RLL
4
RLRL
2
LR
10
RRRLLLRLRL
10
RRLRRRLLLL

output:

Bob
Bob
Bob
Alice
Alice
Alice
Bob
Bob
Alice
Bob
Alice
Bob
Bob
Bob
Bob
Alice
Bob
Alice
Bob
Bob

result:

ok 20 lines

Test #7:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

20
1
L
4
RRLL
10
RLRRRRLLLL
10
RRLLRRRLLL
4
RLRL
3
LRR
3
RRR
1
R
4
RRLL
10
RLRLRLRLRL
10
RRRLLRRLLL
8
RRRLLRLL
10
RLRLRRLRLL
8
RRLLRLRL
4
RRLL
10
RRLLRRRLLL
1
L
8
RLRRLRLL
8
RRLLRRLL
6
RLRRLL

output:

Alice
Bob
Bob
Bob
Bob
Alice
Alice
Alice
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Alice
Bob
Bob
Bob

result:

ok 20 lines

Test #8:

score: 0
Accepted
time: 0ms
memory: 3592kb

input:

20
8
RRRLLLRL
4
RLRL
4
RLRL
10
RRRLLRLRLL
10
RLRLRLRLRL
4
RRLL
8
RRRRLLLL
6
RRLRLL
8
RRRLRLLL
10
RRRRLRLLLL
6
RLRRLL
6
RRLRLL
10
RRRLRRLLLL
8
RLRRLLRL
6
RRRLLL
4
RLRL
4
RLRL
6
RRLLRL
4
RLRL
1
L

output:

Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Alice

result:

ok 20 lines

Test #9:

score: 0
Accepted
time: 0ms
memory: 3588kb

input:

20
10
RRRRRLLLLL
1
L
8
RRRRLLLL
3
LRR
4
RLLL
10
RRLRRLLRLL
10
RRRRLLLRLL
1
R
2
LL
6
RRRLLL
3
RRR
10
RRRRRLLLLL
1
R
10
RRRLRRLLLL
8
RRRRLLLL
4
RRLL
10
RRRRRLLLLL
4
RRLL
8
RRRRLLLL
10
RRRRRLLLLL

output:

Bob
Alice
Bob
Alice
Alice
Bob
Bob
Alice
Alice
Bob
Alice
Bob
Alice
Bob
Bob
Bob
Bob
Bob
Bob
Bob

result:

ok 20 lines

Test #10:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

20
6
RLRLRL
2
RL
10
RLRLRLRLRL
10
RLRLRLRLRL
4
RLRL
8
RLRLRLRL
1
L
8
RLLRLLRR
6
RRLRLL
8
RLRRLLRL
10
RLRLRRLLRL
10
RLRLRLRLRL
10
RLRLRLRRLL
6
RLRLRL
8
RLRLRRLL
6
RLRLRL
6
RLRLRL
8
RLRLRLRL
10
RRRLRLLRLL
2
RL

output:

Bob
Bob
Bob
Bob
Bob
Bob
Alice
Alice
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob

result:

ok 20 lines

Test #11:

score: 0
Accepted
time: 0ms
memory: 3852kb

input:

20
3
LRR
1
R
8
RRLLRLRL
10
LLLRRRLRLR
4
RLRL
1
L
10
RRLLRLRLRL
4
RLRL
3
LLL
10
RRLRLRLRLL
6
RRLLRL
2
LL
4
RLRL
10
RLRLRLRLRL
8
RLRLRLRL
6
RLRLRL
10
RLRRLLRLRL
10
RRRRLLRLLL
10
RLRLRLRLRL
8
RLRLRLRL

output:

Alice
Alice
Bob
Alice
Bob
Alice
Bob
Bob
Alice
Bob
Bob
Alice
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob

result:

ok 20 lines

Test #12:

score: 0
Accepted
time: 1ms
memory: 3716kb

input:

1
478
RLRLRLRRLRLLRRLLRLRRLLRRRLLLRLRLRRLLRRRRLLLLRRRLLRLLRRLRLLRRLLRLRLRRLLRLRRLRLLRLRLRRLLRLRLRRLLRLRRRRLLLLRLRLRRLLRLRRRLLLRRRRLLLLRLRLRLRLRRRLLLRLRLRLRRRRLLLLRRLRLRLLRLRLLRRRRRLLLLRLRLRLRLRRLLRRRRLLLLRRLLRLRLRLRLRLRLRLRLRLRLRRLLRLRLRRRLLLRLRRRLLRLLRLRLRRLRLLRRRLRLLLRLRRLLRLRLRRLRLLRLRLRLRLRLRLRL...

output:

Alice

result:

ok single line: 'Alice'

Test #13:

score: 0
Accepted
time: 1ms
memory: 3896kb

input:

20
25
RRRLLRRRLRLLLLLRLLLRRLRLR
21
RRRLLLRLLRLLRLRLLRLLR
25
RLRLLLLLLLLLRLRLRLLLLLRLL
24
LLLLRRLRLLRLLRLRLLRRLLLR
25
LLRRLRRRLLLRLRRRRLRLLLRRL
22
RRRLLRLLRLRRLLRLRLRLRL
25
LLLLLLRLLRLRRLRRRRRRLLLRR
23
RLLLLLLLRLLRRLLRLRLLRLR
23
LRLLLLLLLLLRRLRRLRRLLRL
23
RLLLLLRRRRLRRRRLRLLRRRL
25
LRRLLLLLRLRLRLRRLL...

output:

Alice
Alice
Alice
Alice
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Alice
Bob
Alice
Alice
Alice
Alice
Alice
Alice
Alice

result:

ok 20 lines

Test #14:

score: 0
Accepted
time: 4ms
memory: 3952kb

input:

1
480
RLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRRRRRRRRRRRRRRRRLRRRLLRLRLRLRRLLRLRLRLRLRRRRLRLRLRLLLLRLRRRRLLRLRLRLRLLLRRLLLLLRLRLLLLLLRLRLRLRRLLRLRLRLRLRLRRRRRLLRRRRLRLRLRLRLRLRLRLRLLLLRRLLRLRLRLRLLLLRRLLRLRLLLLLLLLLRLRLRLRLRLRLRLRLRRLLRLRLRLRRLLRRRLLLLRRRRRRLLRRLLRLRLRRLLRRLLRRRRLLLLRLRLRRRRRRRLRLRLRLRRLLRLR...

output:

Alice

result:

ok single line: 'Alice'

Test #15:

score: 0
Accepted
time: 1ms
memory: 3632kb

input:

20
24
RRRLLRRRRLLLRLLLRRRLLRLL
24
RRLRRRLLLRRLLRLRLRLLRLRL
24
RLLRRRRLLLRRRLLLRRLLRRLL
24
RRLRLLRRRRLLRRLLLRLRRLLL
24
RRLRLRRLRLRLRRLRLLLLLRRL
24
RRRLLLRLRRRLRLRRLLLRRLLL
24
RLRLRRLLRRLRLRRRRLLLLLLR
24
RLLRRRRRLRLRLLRRLLLRRLLL
24
RLRRRRLLRLLRRRLRLRLLRLLL
24
RRRLLRRRLLLRRLLLRRRLLLLR
24
RRRRRLRLRLLLLR...

output:

Bob
Bob
Alice
Bob
Alice
Bob
Alice
Alice
Bob
Alice
Alice
Alice
Bob
Bob
Bob
Alice
Alice
Alice
Alice
Bob

result:

ok 20 lines

Test #16:

score: 0
Accepted
time: 1ms
memory: 3880kb

input:

20
22
RRLLRRRRRRLLRLRLLLRLLL
24
RRLLRLRLLRRRLRRLLRRLLLRL
24
RRRRRLRRLRLRLRRLRLLLLLLL
24
RRRLLRRRLRLRLRLRRLRLLLLL
22
RRRLRLRLLRRLRLLRLRLRLL
24
RRRLLRLLRLRRLLRRRLLLLRRL
24
RRLRRRRLLRLRLRRLLRLLRLLL
24
RLRLRRRLRRLLLLRRRLRRLLLL
22
RLRRRRLLLLRRLRRLRLRLLL
24
RLLLRRRRLRRRRRLLLLLRLLLL
24
RRLRLRRRLRRRLLLLLLRL...

output:

Bob
Alice
Bob
Bob
Bob
Alice
Bob
Bob
Bob
Alice
Bob
Bob
Alice
Bob
Bob
Alice
Bob
Bob
Bob
Bob

result:

ok 20 lines

Test #17:

score: 0
Accepted
time: 1ms
memory: 3772kb

input:

20
22
RRRRRRLLRLLLRLLLRRLLLR
22
RRRRRRRRLLRLRLRLLLLLLL
22
RRRRRRLRLRRRLLRLLLLLLL
24
RRRRRRRRRRLRLLLLLLLLLLLR
24
RRRRRRLRRLRLLRLLLRLLLLLR
24
RRRRRRRRRRRRLLLLLLLLLLLL
24
RRRRRRRRRRRRLLLLLLLLLLLL
22
RRRRRRRRLRLRLRLLLLLLLL
24
RRRRRRRRRRLRLLLLLLLLLLLR
22
RRRRRLLLRRRRLLLRLLLLLR
24
RRRRRRRLRRRRLLLRLLLLLLLL...

output:

Alice
Bob
Bob
Alice
Alice
Bob
Bob
Bob
Alice
Alice
Bob
Alice
Alice
Bob
Bob
Bob
Bob
Alice
Bob
Bob

result:

ok 20 lines

Test #18:

score: 0
Accepted
time: 1ms
memory: 3876kb

input:

20
24
RRRRRRRRRRRLRLLLLLLLLLLL
24
RLRLRRLRLLRLRRLLRLLRRLRL
24
RRRRRRRRRRRLLLLLLLLLLLLR
22
RRRRRRLLRRRRLLRLLLLLLL
24
RRRRRRRRRRRLLLLLLLLLLLLR
23
LRRLRLRLLLRLRRRRRLRRRLL
22
RRRRRRRRRRRLLLLLLLLLLL
24
RRRRLRLRRRLLLRLRRLLLRLLL
24
RRRRRRRRRRLRRLLLLLLLLLLL
24
RRRRRRLRRLLRLRLRLLLLLLLR
24
RRRLRRRRLLLRRRRRLLL...

output:

Bob
Alice
Alice
Bob
Alice
Alice
Bob
Bob
Bob
Alice
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Bob
Alice
Bob

result:

ok 20 lines

Test #19:

score: 0
Accepted
time: 1ms
memory: 3624kb

input:

20
24
RRRRLRRLLRLLLRLLRRLLLRRL
22
RLRRLRRRLLLRRRLLLRLLRL
24
RRRRRRLLRLLRLLRRLRLRLLLL
24
RRRLLLRRLLLRRLRRLLRLRLRL
24
RLRRRLLLRLRLRRLLRLRLRLRL
24
RLLRRRLLRRLLRLRLRLRLRRLL
24
RRLLRLRRLLRLLRRRLLRLRLRL
24
RRRLLLRRLRRLLRLLRLRLRLLR
24
RLRLRRLRLRLRRLLRLLRLRLRL
24
RRLRLLRRRLRLLLRLLRRLRLRL
24
RLRLRLRLRLRLRLRL...

output:

Alice
Bob
Bob
Alice
Bob
Alice
Alice
Alice
Bob
Alice
Bob
Bob
Bob
Bob
Bob
Alice
Alice
Bob
Bob
Bob

result:

ok 20 lines

Test #20:

score: 0
Accepted
time: 1ms
memory: 3720kb

input:

20
24
RRRRRRRRRRLRLLLLLLLLLLLR
24
RLRLRLRRLLRRLLRLRLRRLLLR
24
RLRLRLRLRLLRRLRLRLRLRLRL
22
RLRRRLLLRLRLRLRRLLLRRL
24
RLRLRRLLRLLRRLRRRLRLLLRL
24
RLRRLLRLRLRLLRRRLLRLRLRL
22
RRRLLRLLLRRLRLRRLLRLRL
22
RLRRLRRRRRLLRLRRLLLLLL
22
RRRRLRRRLRLRLRLRLLLLLL
24
RLRLLRRLRLRLRLRLRRLLRLRL
24
RLRLRLLRRLRLRLRLRLRLRL...

output:

Alice
Alice
Alice
Alice
Alice
Alice
Alice
Bob
Bob
Alice
Alice
Bob
Alice
Bob
Alice
Alice
Alice
Alice
Bob
Bob

result:

ok 20 lines

Test #21:

score: 0
Accepted
time: 1ms
memory: 3680kb

input:

20
22
RRRRRRLRLRLLLLLLRLRLLR
24
RRLRLRLRLRLLRRLLRLRLLRRL
24
RRRRRLRLRLRLLRLLLLRLRLLR
24
RRLRLRLRRLLRLRLRLRLLLRRL
24
RLRLRRRRLRLRLRRLRLLRLLLL
24
RRLLRRRRLLLLRRLRLRLRLLLR
22
RLRLRLRLRLRRLRLRLRLRLL
24
RRLRLRRRRLRLLRLLLRLLRLLR
24
RLRLRLRLRRLLRLRLRLRRLLRL
22
RLRLRRRLRLLLRRLLLRRLRL
24
RRRRLRLLLLRLRRRLRLRL...

output:

Alice
Alice
Alice
Alice
Bob
Alice
Bob
Alice
Bob
Alice
Bob
Bob
Bob
Bob
Bob
Bob
Alice
Bob
Alice
Bob

result:

ok 20 lines

Test #22:

score: 0
Accepted
time: 1ms
memory: 3880kb

input:

20
24
RLRRRRLRLRLRLRLRLRLLLLLR
24
RRRLRLRLRLLLRLRRLLLRRRLL
22
RRRRRRRRLLRLRLLLLLLLLR
24
RRRLRLRRRRLLLRLLLLRLLRRL
22
RRLRLLRLLRRRRLRLLLRLRL
22
RLRLRLRLRRLRLRLRLRLLLR
24
RRRRLRLRLRLRLRLRLRLLLLRL
24
RLRLRRLLRLRRLLRLRRRLLLRL
24
RLRLRLRLRLRLRRRLRRLRLLLL
24
RRLRLRRRLLRLRLLRLRLRLRLL
24
RRLRRRLRLRLRLLLRLRLR...

output:

Alice
Alice
Alice
Alice
Alice
Alice
Bob
Bob
Bob
Bob
Alice
Bob
Alice
Bob
Bob
Bob
Bob
Bob
Alice
Alice

result:

ok 20 lines

Test #23:

score: 0
Accepted
time: 1ms
memory: 3604kb

input:

5
100
RRLLLLLLRRLRLLRLLRLRLLRRLLLRRLLLLRRLRRRLLLRLRRRRLRLLLRRLLRRRLRLLLLLLLRLRLRRLRRLRRLLLLLLRRLLRLLRLLRRL
98
RLRLLLLRLRRRLLLLRRRLLLLLLLRLRLRLRRRRRLLLLRLRRLRLLRLRLLRRRRRRLLRRRLLRRLRRRLRLLLLLRLLRRLRRLRRLLLRRRL
99
RRRLLRRLRLRLLRRRLRRRLRRRRRLLLRLRLRRLLLLRLLLLLRLRLLLRRLRRLLRLRRLLRLLRLRLLLLLRRLRLLRRLLLLL...

output:

Alice
Alice
Alice
Alice
Alice

result:

ok 5 lines

Test #24:

score: 0
Accepted
time: 2ms
memory: 3868kb

input:

5
90
RLRLRLRRRRLLLLLRRRRRLLRLRRRRRRRRLLRRRRRLRLLLLRLRRLRRRLLRLRLRLLRRLLLRLLLLLLRRLLLRRLLLRLRLLL
92
RRLRRLRRRRRRLRLRRLRRLRRLRLLRRRLLRLLLRRRLRRRLLLLRLRLRRLRLLRLLLLLRLLLLRRLLLLRRLRLLRLRLRLRRLRLL
100
RRRLLRRLLRLLRLRRRRRLRRRLLLLLRRLLRRLRRLLLLRRLRLRRLLLLRLRRRRLRRLRLRLLRLRLRLRLLLRRLRLRLRRLRLRRLLLRLLLRL
100...

output:

Alice
Bob
Bob
Bob
Alice

result:

ok 5 lines

Test #25:

score: 0
Accepted
time: 0ms
memory: 3880kb

input:

5
96
RRRRRLLRRRRLRRLLRLLRLLLLLRLRRLLLRRRRLLRLRRLRRRRLRRLRLRLLLLRLRRRRRRRLLLLLLLLRLLLLRRRRRLLRLRRLLLLL
90
RRRRRRRLRLLLRLRRRRRRRRRRLRLLRLLLRRRRLRLLRRRRLLLLLLLRLRRLLLRRRRLRLLLLLRRRLRLLLLLLLLRLRLLLLR
92
RRLRRRRRRLRLRRLRRRRRLLLRLLLRLRLLRLRLRLLLLRLRRRLRRRLLRLRRLLRRRRRRLLLLLLRLRRRRRRLLLLLLLLLLLLLR
100
RLRR...

output:

Bob
Alice
Alice
Bob
Alice

result:

ok 5 lines

Test #26:

score: 0
Accepted
time: 5ms
memory: 4012kb

input:

5
100
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRLRLRRLRLRLRRLLLRLRLRLRLRRLRLLRLRLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
100
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
92
RRRRRRRRRRRRRRRRRRRRRRRRRRLRRLRLRRLRRLRRLLLRRLRRRRLRLRRLLLLLRLLLLLLLLLLLLLLLLLLLLLLLL...

output:

Bob
Bob
Alice
Bob
Bob

result:

ok 5 lines

Test #27:

score: 0
Accepted
time: 5ms
memory: 3952kb

input:

5
92
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRLRLRRLRLRRLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
96
RRRLRRRLRRRLLRLLRRRRRLLRLLLRLRRRRLRLLLRLRLLRRLRLLRRRRLRLLLRLRRRRLRLRLLRLRLRRLLRRLLLLLLLRRLLLLLLR
92
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRLLRLLLRLRRRLLRRLRLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLR
100
RR...

output:

Bob
Alice
Alice
Bob
Alice

result:

ok 5 lines

Test #28:

score: 0
Accepted
time: 1ms
memory: 3748kb

input:

5
100
RRLRLRLLRRRLRLLLRRRLRLLLRLRLRLRLRLRLRLRRLLRLRLRRLLRLRLRLRRLLRLRLRLRLRLRLRLRRLLRLRRLLRRLLRLRLRRLLRLRL
100
RLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRL
90
RLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLR...

output:

Bob
Bob
Bob
Bob
Bob

result:

ok 5 lines

Test #29:

score: 0
Accepted
time: 1ms
memory: 3728kb

input:

5
96
RLRLRRLLLRRLRRRLLLRRLRLLRRLLRLRLRLRLRLRRLLRRLLRRRLLLRLRLRLRLRLRLRLRLRLRRLLRLRRLRLLRLRLRLRLRRLLRL
96
RLRLRRLLRRLLRLRLRLRLRLRLRLRLRLRRRRLLLLRLRRRLLLRLRLRLRLRLRLRLRRLLRRLLRRLRLLRLRRLRLLRLRLRRLLRLRLRL
100
RRLRLLRLRRRLLLRRRLLRLLRRLRLLRRLRLLLRRLRRLLRLRLRRLLRLRLRLRLRLRLRLRLRRRLLLRRRLLLRRRLLLRRLLRLRLRL...

output:

Alice
Bob
Alice
Alice
Bob

result:

ok 5 lines

Test #30:

score: 0
Accepted
time: 3ms
memory: 3932kb

input:

5
100
RRRRRRRRRLRLRLRLRLRLRRRLLRLLRRRRRRLRRRRRRLRLRLLRRLLLLLLRRRLRLRLLLRLLLLLLRRLLRLLLLLRLRLRLLLLLRLLRRLRL
96
RRRRLRLRLRLRLRRLLRRLRRRLLLLRLRLRLRLRLRRRLLLRLRLRRRRRLRLRLRLRLRRRRRRLLRLLLLLLLLLRLRLRLRLRLLLLRLLR
92
RRLRRRLLLLRRRRLLRLRRRRLLRLRLLLLRRRRLLRRRLRRRLRLLRLRRLLRRLRLLLLRLRRRRLRLLLLLRLLRRLRRLLLLLLR...

output:

Alice
Alice
Alice
Alice
Bob

result:

ok 5 lines

Test #31:

score: 0
Accepted
time: 3ms
memory: 3860kb

input:

5
90
RLRLLRRRLLRLRRRLLRLLRLRRLRLRLRLRRLLRLRRLRLRLRLRRRLRLRLRLRLRLLLLLRRRLRLRRLRLRLRLLLLRLRLRRLL
90
RRRRRRRRRLRLRRLLRRRRRRLRRLRLLLLRRLLRLRLLRLRLLLRRRLRRLLRLLLLLRRRLRLRLRLLLRLRLRLLLLLRLRLLLLR
98
RRRRRRRRLRLRLRLRLRLRLRLRLRRRRRRRLRLRLRRRRRRRLRLRRLRLRLLRLRLRLLLLLLLRLRLLRLLLLLLLLLLLLLRRRLRLRLRLLL
92
RRRLR...

output:

Alice
Alice
Bob
Bob
Alice

result:

ok 5 lines

Test #32:

score: 0
Accepted
time: 0ms
memory: 3660kb

input:

1
479
RLRRLLLLLRLRRRRLRLRRLRLLRLRLLLLLRLRLLLRRLLRLLRLRRLRRLLRLRLLRLLLRLLLRRLLRRRRLRRLRLRLRRRLRLLLRRLRRLLLLLLLLRLLRLLRLLLLRLLLRLLLRLRRRRRRLRRLLLRLLRRRLRLRLRLLLRLRRLLLLRLLRLRLLRLLRLRRRLLLRRLLRLRLRRLLLRRRRLLLLLLLRLLLRRRLLRLRRLLLLRRRRLRRLLLRRRLRLLLLRRRRRRLRLRRRRRLRRLLRLLRRRRLLLLLRRRLRRRRLLRLLLLRRLLLRRLR...

output:

Alice

result:

ok single line: 'Alice'

Test #33:

score: 0
Accepted
time: 18ms
memory: 4692kb

input:

1
496
RRRRLRRRRLLLLRRRLRLRRRLRRRLRLRLLRRLLRLLLRRRLLRLRRRRLRLLRLLLRLLRRLRLLLRLLRRRLRLRLLRRRRRLLLLRLLRLRRLRLRRRLLRLRRLLLLRRRRRLRRRLLRRLRLRRLLRRRLRRLRLRRLRLLRRLRLLRRRRRLRRLLRRLLRLLLLRLRLLRLRRLRLLRLLRLRLLRRLRRRRLLLLRLLLRLLRLLRLLRLRLRLLRRRRRLRRLRRRLRLLRLLLRLRRRLRLLRLLRRLLLRRRRRLLRLLRLRRLRLLLRRRRRLRRRRLRL...

output:

Bob

result:

ok single line: 'Bob'

Test #34:

score: 0
Accepted
time: 15ms
memory: 4720kb

input:

1
462
RRRRLLLRRLLLRRRRRRLRLRLRLRRRLLRLLRRRRRLRRLRRLLRLLLLRRRRRRLRLLLLRLRRLRRRLLRLRRLLLRLLRRRLRLLLRRRRLLLRLLLLRRLLRLRLLRRLLRLRRRLRRRRRRRRRLLLRRLRRLLLLLRRRRRLRLRRLLLRRLLLRLRRRRLLRLRRLRLRLLRLLRRLLLRRRRRLRLLLLRLLRLLLRLRLRRLRLLLLRRLRRLRRLLRRLLLLLLLLLRLLLRRRLLLRRLLRRLRRRLLLLRRRRLRRRRRRRLRLRLLRRRRRLLLLRRRR...

output:

Bob

result:

ok single line: 'Bob'

Test #35:

score: 0
Accepted
time: 17ms
memory: 4624kb

input:

1
480
RRRLLLRRLRRRRLRRLRLRLLLRRRRRLRLLRLRRRRLRRRRLRLRRLLLRRRLLLRLRLRRRLRRRLRLLRRLLRRRRRLRRLRRLLRRRLRRLLRRLRLRLRRRRLRLRRLRRRLRLRRRRLRLLRRLLRLLLRLLRRLRLLLRLRLLLLRRLLRRLRRRLRRLLLRLRRRLLLLLRLLRLRLLLRLLRLRLRRLLLRLRRRLLLRLRRLRLRRRLRLLLRLLRRRLRLRLLRRLRRRLLLLLLLLRLRLLLRLLRRLRLRLLRRLRLLLLRRRLLRLRLLRRLRRLLRRL...

output:

Bob

result:

ok single line: 'Bob'

Test #36:

score: 0
Accepted
time: 20ms
memory: 4688kb

input:

1
490
RLRLRRLRRRLLRLLRRRLLLRRRRRRLRRRRRRLRRLRRRLRRRRRLLRLLLRLLLLRRRRRRLLRRLLRLRRRRRRRRRLRRLLRLRRLRLLLLRLLRRLLRRRLLLLRRLRLLLLLLRRLRRRRRRLRLLLRLLLRRRLLLRRRRRLRRRLLLLLLLRRRLLLLLRRRRRRLRLRLRLRLRLLRLLLLRLRLRLLRRLRRRRRRLLLRLRLRLLRRLLRLLLRRLLLRRRRLLLRLRRRLLLLLLRLLLRRRLLRRLRLLRLLLLLLRRLRLRLRLRLLLRRRLLLRRLRL...

output:

Alice

result:

ok single line: 'Alice'

Test #37:

score: 0
Accepted
time: 168ms
memory: 5628kb

input:

1
468
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRLRRRLLRRRLRLLLRRRLRLRRRRLLRLLRRLLRRLRLRLLLLLLRLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...

output:

Alice

result:

ok single line: 'Alice'

Test #38:

score: 0
Accepted
time: 146ms
memory: 5640kb

input:

1
460
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRLRLLLRRRRLRRLRRLLRRLLRRLLRLRRLRLRLRLLRRLRRLRRRLLRRLRRLRRLLLLRLRRRLLRRLLRRLRLRLRRLLRRLRLRLLLRRLLLLLRLRRRRRRRLRRLLRLLRRRLRRLLRLRLLLLRLLLRRLRLRLLLR...

output:

Alice

result:

ok single line: 'Alice'

Test #39:

score: 0
Accepted
time: 172ms
memory: 5548kb

input:

1
500
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRLRRLRLRLRRRLRRRRRRRLRLLLRRRRRRLLRRRLLRLLLRRRLRLRRLRRRLRRLRLRRLLRLLLLRRLLLRLRLRLLRRLRLRLRLLLRRLLRRRRRRRRLRRLRLRRLRRLRLRRLLLRRRLLLRLRLRLLLRRRRLRLRLLRLLRLLRRLRLRLRRRLLLLRRLLL...

output:

Alice

result:

ok single line: 'Alice'

Test #40:

score: 0
Accepted
time: 160ms
memory: 5612kb

input:

1
470
RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRLLRLLRRRRRLLRRLRRLRLRLLRLRLRRLLLRRLRLLRLRRRRRLLRLRRRLRLLRRRRLLLLRRLRRRRLRLRLRRRRLRRRLRLRLLRLLLLRRLLLLLLRLRLLRLLLRLLLLRRRLRRLL...

output:

Bob

result:

ok single line: 'Bob'

Test #41:

score: 0
Accepted
time: 1ms
memory: 3616kb

input:

1
492
RLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLLRRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRL...

output:

Alice

result:

ok single line: 'Alice'

Test #42:

score: 0
Accepted
time: 5ms
memory: 4848kb

input:

1
500
RRLLRLRRLLRLRLRLRLRLRLRLRRLRRLLLRLRLRLRLRRLLRRRLLLRLRRLLRLRLRLRRLLRLRLRLRLRRRRLLLLRLRLRLRLRRLLRLRLRLRRLLRLRLRRLRRLLLRRLLRLRLRRLRLLRRLRLLRLRRRLLLRLRLRRLLRRLLRLRLRLRRLLRLRLRLRLRLRLRRRLLLRLRRLLRLRLRRLRLRLLRRLRRLLLRLRLRRLRLLRRLLRRLLRLRLRLRRLLRLRRLLRLRRLRLLRLRRLRLLRRLLRRLRLLRLRLRLRRRLLLRRLRLRLLRRLL...

output:

Bob

result:

ok single line: 'Bob'

Test #43:

score: 0
Accepted
time: 6ms
memory: 4488kb

input:

1
484
RLRRRLLRLLRRLLRRLRLRLRLRLLRRRRRRRLLRLLLLLLRRRRLLLLRLRRLLRRRLLRRLRLLLRLRRLLRRLRRLLRRLRLLLRLRRRRLRLLLLRRLLRRLLRRLLRLRLRLRRLLRLRRRRLLRLLLRRLLRRRLLLRLRRRRRLLLLLRRLRLLRRLRRRLRRLLLLRLLRLRLRRLRRLRLLLRLRLRLRLRRLLRLRLRRLRLLRRLRRLLRLLRRLLRRLRLRRLRLLRLRLRLLRRRLRLLLRRRLLLRLRRLRLLRLRRLRLLRRLRLLRRLLRLRLRLRL...

output:

Bob

result:

ok single line: 'Bob'

Test #44:

score: 0
Accepted
time: 0ms
memory: 3560kb

input:

1
494
RLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLLRRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRL...

output:

Alice

result:

ok single line: 'Alice'

Test #45:

score: 0
Accepted
time: 33ms
memory: 4612kb

input:

1
466
RRRRRRRRRRRRRRRRRLRLRLRLRLRLRLRLRRRRRRRRRRLRLRRRLLLRLRLRLRLRLRLRLRLRLRLRLRLRRRRRRRRRRRLRLRLRRRRRRLRRLLRRRRRLRLRLRLRLRLRLLLLRLRLLRRRRRRLRLRLRLRLLLRLRLLLLRLRLRRRLLLLLLLLRLRLRRLLLLLLLLRLRLRRRRRRRLRLRRLRLLRLRLRLLLLLRLRLRRLRLLRLRLLLLLLLRLRLRRRLRLRLLLLLLLLLLLLRLRRRRRLRLRLRRRRRRRLRLRLRRRRRLRRLLLRRRRL...

output:

Bob

result:

ok single line: 'Bob'

Test #46:

score: 0
Accepted
time: 25ms
memory: 4828kb

input:

1
480
RRRLLLRRRRRRRRRRRRLRLRLRLRLRLRLRLRLRLRLRLRRLLRLRLRLRRLLRRRLRLRLRLRRLLRLRRLLRLRLRLRLRLRRRRRRRLRRRRRRRRRRRRLRRRRLRLRLRLRRLLLLLLLLLRLRLRLRLRLLLLLLLRRRRRRLRRRRLLRLRLRLLRLRLLLLLLLRLRLLRLRLRLRLRRLLRRLLLLLLLLRLLLRRRRRRRLLRLRRLLRRLRRRRRLRLRLRLRLRLRLRRLLRRRRLRLRLLLLRRLRLRLLRLLLLLRRLRLRRRLRLRLRLRLRLLLRL...

output:

Bob

result:

ok single line: 'Bob'

Test #47:

score: 0
Accepted
time: 29ms
memory: 4576kb

input:

1
450
RLRLRLRRRRRRRRRRRRLRLRLRLRLRLRRLLRRRLLLRRRRRRRRRRRRRLRLRLRLRLRLRLRLRLRLRLRLRLRRRRRRRRRRLLRLRRLLRLRRRRRRRRLRRRRRLLRRRLRLLLRLRLRLLLLRLRLRLRLRRRRLRLRLRLRRLLLLLRLRLLLLLRRLRRRLLLLLLLRLRLRLRLRRRLRLRLRLRRRLRLRRLLRLLLLLLLLLLLLLRLRLRRRRRRLRLRLRLLRLLLLLRLLLLLLLLLLLRRRRRRRLRLRLRRRRRLRRLLRLLRRLRLLLLLRLLLL...

output:

Bob

result:

ok single line: 'Bob'

Test #48:

score: 0
Accepted
time: 13ms
memory: 4588kb

input:

1
494
RLRLRRLLRLRLRLRLRLRLRRRLRLRLRLRLRLRLRRLRLRLRLLRLRRRRRRRLRLRLRLRLRLRRRRRRLRLRLRLRLRRLLRLRRLRLRLRLLRLRLLLLLLRRRLRLRLLLLLLLLLRRRLLRLLRLRLRLRLRLLLRRRRRLRLRRLLRRLLRRRLRLRLRLRLRLRLRLRLRLRLRRRRRRLRLRLRLLLRRRLRLRLRLLLRLRLLLLRRLLRLRLRLRRRLRLRLLLLLRLRLRLRLRLRLRLRRRRRRRRRRRLRRLLRRRRLLRLLLRLLLRLRLRLLLRLRL...

output:

Bob

result:

ok single line: 'Bob'

Test #49:

score: -100
Time Limit Exceeded

input:

1
4710
RRRRRRRRRRRRRRRRRRRLRLRLRLRLRLRLRLRRRRRRRRRRRRRRRRRRRRRLRLRLRLRLRRLRLLRLRLRRLLRLRRLRLLRLRLRLRRRLLLRRRRLLLLRLRLRRRRRRRLRLRLRRLLRRLLRRLLRLRLRRRRRRRRRRRRRRRRRRRLRRRLLRLLRRLLRRLRLRLLRLRLRLRRRLLLRRRLRLRLLLRRRLLLRLRLRLRRRRRRRRRRRRRRRRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRLRRRRRRRRRRRRRRRRRRRRRR...

output:


result: