QOJ.ac

QOJ

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
#76160#5440. P-P-Palindromemaomao90AC ✓523ms153316kbC++174.4kb2023-02-07 22:19:232023-02-07 22:19:25

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-02-07 22:19:25]
  • 评测
  • 测评结果:AC
  • 用时:523ms
  • 内存:153316kb
  • [2023-02-07 22:19:23]
  • 提交

answer

// Hallelujah, praise the one who set me free
// Hallelujah, death has lost its grip on me
// You have broken every chain, There's salvation in your name
// Jesus Christ, my living hope
#include <bits/stdc++.h> 
using namespace std;

#define REP(i, s, e) for (int i = (s); i < (e); i++)
#define RREP(i, s, e) for (int i = (s); i >= (e); i--)
template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}
typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
#define ALL(_a) _a.begin(), _a.end()
#define SZ(_a) (int) _a.size()
#define pb push_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<iiii> viiii;

#ifndef DEBUG
#define cerr if (0) cerr
#endif

const int INF = 1000000005;
const ll LINF = 1000000000000000005;
const int MAXN = 1000005;
const pll MOD = {998244353, 1000000007};
const pll X = {31, 31};

namespace eertree {
    const int MAXC = 26;
    struct node {
        int nxt[MAXC], flink[MAXC];
        int len, link, period;
        node() {
            memset(nxt, 0, sizeof nxt);
            memset(flink, 0, sizeof flink);
            len = link = period = 0;
        }
    };
    vector<node> nodes;
    string _s;
    int head;

    inline int getlink(int u) {
        if (SZ(_s) - 2 - nodes[u].len >= 0 && _s[SZ(_s) - 1] == _s[SZ(_s) - 2 - nodes[u].len]) return u;
        return nodes[u].flink[_s[SZ(_s) - 1] - 'a'];
    }
    void init() {
        _s = "";
        nodes.clear();
        node nw = node();
        nw.len = -1; nw.link = 0;
        nodes.pb(nw);
        nw = node();
        nw.len = 0; nw.link = 0;
        nodes.pb(nw);
        head = 1;
    }
    bool insert(char c) {
        _s += c;
        head = getlink(head);
        cerr << ' ' << _s << ' ' << head << '\n';
        if (nodes[head].nxt[c - 'a']) {
            head = nodes[head].nxt[c - 'a'];
            return 0;
        }
        nodes[head].nxt[c - 'a'] = SZ(nodes);
        node nw = node();
        nw.len = nodes[head].len + 2;
        if (nw.len == 1) {
            nw.link = 1;
            nw.period = 1;
        } else {
            nw.link = nodes[getlink(nodes[head].link)].nxt[c - 'a'];
            nw.period = nw.len;
            if (nw.link != 0 && nodes[nw.link].period == nw.len - nodes[nw.link].len) {
                nw.period = nodes[nw.link].period;
            }
        }
        REP (j, 0, MAXC) {
            nw.flink[j] = nodes[nw.link].flink[j];
        }
        nw.flink[_s[SZ(_s) - nodes[nw.link].len - 1] - 'a'] = nw.link;
        head = SZ(nodes);
        nodes.pb(nw);
        cerr << "  " << head << ' ' << nw.len << ' ' << nw.link << ' ' << nw.period << '\n';
        return 1;
    }
}
using namespace eertree;

int n;
string s[MAXN];
pll hsh[MAXN];
map<pll, int> mp;
ll ans;

pll operator+ (const pll &l, const pll &r) {
    pll res = {l.FI + r.FI, l.SE + r.SE};
    if (res.FI >= MOD.FI) {
        res.FI -= MOD.FI;
    }
    if (res.SE >= MOD.SE) {
        res.SE -= MOD.SE;
    }
    return res;
}
pll operator- (const pll &l, const pll &r) {
    pll res = {l.FI - r.FI, l.SE - r.SE};
    if (res.FI < 0) {
        res.FI += MOD.FI;
    }
    if (res.SE < 0) {
        res.SE += MOD.SE;
    }
    return res;
}
pll operator* (const pll &l, const pll &r) {
    return {l.FI * r.FI % MOD.FI, l.SE * r.SE % MOD.SE};
}
pll fpow(pll b, int p) {
    pll res = {1, 1};
    while (p) {
        if (p & 1) {
            res = res * b;
        }
        b = b * b;
        p >>= 1;
    }
    return res;
}
pll fpow(pll b, pll p) {
    return {fpow(b, p.FI).FI, fpow(b, p.SE).SE};
}

int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    cin >> n;
    REP (i, 0, n) {
        cin >> s[i];
    }
    REP (i, 0, n) {
        eertree::init();
        s[i] = "?" + s[i];
        REP (j, 1, SZ(s[i])) {
            hsh[j] = hsh[j - 1] + fpow(X, j) * pll(s[i][j] - 'a', s[i][j] - 'a');
            if (eertree::insert(s[i][j])) {
                int l = j - nodes[head].period;
                pll chsh = (hsh[j] - hsh[l]) * fpow(fpow(X, l), MOD - pll(2, 2));
                mxto(mp[chsh], nodes[head].len / nodes[head].period);
            }
        }
    }
    for (auto [h, x] : mp) {
        ans += (ll) x * x;
    }
    cout << ans << '\n';
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 5ms
memory: 34948kb

input:

2
aaaa
aaa

output:

16

result:

ok 1 number(s): "16"

Test #2:

score: 0
Accepted
time: 4ms
memory: 36552kb

input:

3
abaaa
abbbba
bbbaba

output:

28

result:

ok 1 number(s): "28"

Test #3:

score: 0
Accepted
time: 5ms
memory: 36236kb

input:

1
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab

output:

15130

result:

ok 1 number(s): "15130"

Test #4:

score: 0
Accepted
time: 3ms
memory: 36572kb

input:

3
aaaaaaaaaaaaaaaaaaaaaaaaa
bbbbbbbbbbbbbbbbbbbbbbbbb
bababababababaabababababa

output:

1282

result:

ok 1 number(s): "1282"

Test #5:

score: 0
Accepted
time: 135ms
memory: 51076kb

input:

5
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff...

output:

3600000000

result:

ok 1 number(s): "3600000000"

Test #6:

score: 0
Accepted
time: 125ms
memory: 50020kb

input:

5
wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww...

output:

3600000000

result:

ok 1 number(s): "3600000000"

Test #7:

score: 0
Accepted
time: 315ms
memory: 70088kb

input:

3
abbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbab...

output:

133586

result:

ok 1 number(s): "133586"

Test #8:

score: 0
Accepted
time: 291ms
memory: 68824kb

input:

3
abbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbabab...

output:

118967

result:

ok 1 number(s): "118967"

Test #9:

score: 0
Accepted
time: 291ms
memory: 70352kb

input:

3
bbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabb...

output:

114444

result:

ok 1 number(s): "114444"

Test #10:

score: 0
Accepted
time: 300ms
memory: 69720kb

input:

3
abbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbabab...

output:

115321

result:

ok 1 number(s): "115321"

Test #11:

score: 0
Accepted
time: 293ms
memory: 70292kb

input:

3
azzazzazazzazzazazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazazzazzazazzazzazazzazazzazzazaz...

output:

131825

result:

ok 1 number(s): "131825"

Test #12:

score: 0
Accepted
time: 34ms
memory: 38224kb

input:

3
yazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbyb...

output:

6

result:

ok 1 number(s): "6"

Test #13:

score: 0
Accepted
time: 35ms
memory: 37780kb

input:

3
azbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazby...

output:

6

result:

ok 1 number(s): "6"

Test #14:

score: 0
Accepted
time: 26ms
memory: 38032kb

input:

3
byazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyaz...

output:

6

result:

ok 1 number(s): "6"

Test #15:

score: 0
Accepted
time: 151ms
memory: 69856kb

input:

1
abbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabba...

output:

113382

result:

ok 1 number(s): "113382"

Test #16:

score: 0
Accepted
time: 142ms
memory: 53760kb

input:

5
rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr...

output:

123447499

result:

ok 1 number(s): "123447499"

Test #17:

score: 0
Accepted
time: 110ms
memory: 46968kb

input:

5
tttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt...

output:

25319820

result:

ok 1 number(s): "25319820"

Test #18:

score: 0
Accepted
time: 63ms
memory: 42772kb

input:

5
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff...

output:

2746507

result:

ok 1 number(s): "2746507"

Test #19:

score: 0
Accepted
time: 222ms
memory: 70132kb

input:

3
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo...

output:

1912677071

result:

ok 1 number(s): "1912677071"

Test #20:

score: 0
Accepted
time: 136ms
memory: 54424kb

input:

3
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxcxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx...

output:

111259628

result:

ok 1 number(s): "111259628"

Test #21:

score: 0
Accepted
time: 67ms
memory: 46260kb

input:

3
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc...

output:

13754174

result:

ok 1 number(s): "13754174"

Test #22:

score: 0
Accepted
time: 50ms
memory: 43524kb

input:

3
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd...

output:

1867151

result:

ok 1 number(s): "1867151"

Test #23:

score: 0
Accepted
time: 43ms
memory: 49276kb

input:

1
jjqjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjvjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj...

output:

1856484

result:

ok 1 number(s): "1856484"

Test #24:

score: 0
Accepted
time: 44ms
memory: 44444kb

input:

1
vvvvvvvvvvvvvvvvvvvvvvvvvvvqvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvmvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvsvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvnvvvvvvvvvvvvvvvvvvvv...

output:

190722

result:

ok 1 number(s): "190722"

Test #25:

score: 0
Accepted
time: 41ms
memory: 42300kb

input:

1
txxxxxxxxxxxxxxxxxxxxxxxxxxxxhxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxrxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxhxxxxxtxlxxxxxxxxxktxxxxxxxxxxxxxxxxxexxxxxxxxxxxxxxgxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxjxxxxxxxxxxxxxxxxxxxvxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxzqxxjxxxxxxxxxxxxxxx...

output:

76004

result:

ok 1 number(s): "76004"

Test #26:

score: 0
Accepted
time: 117ms
memory: 72472kb

input:

1
gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg...

output:

81149988

result:

ok 1 number(s): "81149988"

Test #27:

score: 0
Accepted
time: 150ms
memory: 72492kb

input:

1
llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll...

output:

1272080790

result:

ok 1 number(s): "1272080790"

Test #28:

score: 0
Accepted
time: 193ms
memory: 100340kb

input:

1
eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee...

output:

12890286923

result:

ok 1 number(s): "12890286923"

Test #29:

score: 0
Accepted
time: 223ms
memory: 54652kb

input:

5
dgasxxawfuzttbnrniddspiplejfqzzoadnogyemjktjqqjtkjmeygondaozzqfjelpipsddinrnbttzufwaxxsagdvkrreghjrkkrjhgerrkvdgasxxawfuzttbnrniddspiplejfqzzoadnogyemjktjqqjtkjmeygondaozzqfjelpipsddinrnbttzufwaxxsagdvkrreghjrkkrjhgerrkvdgasxxawfuzttbnrniddspiplejfqzzoadnogyemjktjqqjtkjmeygondaozzqfjelpipsddinrnbt...

output:

652993

result:

ok 1 number(s): "652993"

Test #30:

score: 0
Accepted
time: 210ms
memory: 54936kb

input:

5
jlpzojmatlmawicowbaazzfyzqdjodsyngoqfnxbshbjywkgafhdarnchbwcskosqxpdjffjdpxqsokscwbhcnradhfagkwyjbhsbxnfqognysdojdqzyfzzaabwociwamltamjozpljjlpzojmatlmawicowbaazzfyzqdjodsyngoqfnxbshbjywkgafhdarnchbwcskosqxpdjffjdpxqsokscwbhcnradhfagkwyjbhsbxnfqognysdojdqzyfzzaabwociwamltamjozpljjlpzojmatlmawicowb...

output:

425510

result:

ok 1 number(s): "425510"

Test #31:

score: 0
Accepted
time: 207ms
memory: 53656kb

input:

5
zwzxfvwcwglyetqbpgxubiqntaydeqmdpassapdmqedyatnqibuxgpbqteylgwcwvfxzwzjeiveeviejzwzxfvwcwglyetqbpgxubiqntaydeqmdpassapdmqedyatnqibuxgpbqteylgwcwvfxzwzjeiveeviejzwzxfvwcwglyetqbpgxubiqntaydeqmdpassapdmqedyatnqibuxgpbqteylgwcwvfxzwzjeiveeviejzwzxfvwcwglyetqbpgxubiqntaydeqmdpassapdmqedyatnqibuxgpbqte...

output:

1180524

result:

ok 1 number(s): "1180524"

Test #32:

score: 0
Accepted
time: 212ms
memory: 55904kb

input:

5
rmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiq...

output:

4551019

result:

ok 1 number(s): "4551019"

Test #33:

score: 0
Accepted
time: 221ms
memory: 54436kb

input:

5
tnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskk...

output:

18042012

result:

ok 1 number(s): "18042012"

Test #34:

score: 0
Accepted
time: 228ms
memory: 54344kb

input:

5
wosalwxbdgvouchgnkqygjphbtpoxduzlpmpbuhhmwvgsbrfolbykyjzoukregdyxskkinjqzjeuublzpuukcaazbsggluyqlmyiallofjebbukuqcalufrqdjjkgvooretzaasgnpnztfalutzztulaftznpngsaazteroovgkjjdqrfulacqukubbejfollaiymlqyulggsbzaackuupzlbuuejzqjnikksxydgerkuozjykyblofrbsgvwmhhubpmplzudxoptbhpjgyqknghcuovgdbxwlasowovxg...

output:

61625

result:

ok 1 number(s): "61625"

Test #35:

score: 0
Accepted
time: 243ms
memory: 53584kb

input:

5
pyybsfiukgpneuwnykmxylcpaujvzpvcubdlvljkdwxkniwznzqvfblfedmydoqqrysksoobrwsqguocoxtfnisqmtbbieekshiwrzrbluflrtzfxwkvqtplcinkqqjsxogdsyucodbzhhnzaluymttfnzovqnevrqtbtqpmtgsfvnenstchzhdrequfxuasnkoxexafwpbgzqaobiicvmwugeugfgpmjvfphfojacdfhjplypqfoxzoacnfoucbhlqqnxxywfdaykxbsfkkkbwuryfwowvhecdgtnzcnp...

output:

57998

result:

ok 1 number(s): "57998"

Test #36:

score: 0
Accepted
time: 172ms
memory: 54944kb

input:

5
pndpupqzhnvxfilkpqdiabywphmclxjchfoctreacxnxwernjkhtyrgokfjpcuuqstsoserfmhfnrgdhzsioknvrhqflrjfkgkjrtoouchgeduceggstnsraurhpxgreryesioloxkcnndjdzyrfmksunizovolqltamzkmaggqftuvwjnkrhgyewthkqchdrgqrkwdfdwdoqunjulkpykaavlinxbzfuzzoqyvwrsfgmtvrzoyidesgkfwtbunicodseljtsxdzxpvpjnbaunefavrjjzhufqqsvekbpl...

output:

46840

result:

ok 1 number(s): "46840"

Test #37:

score: 0
Accepted
time: 169ms
memory: 153316kb

input:

1
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

output:

90000000000

result:

ok 1 number(s): "90000000000"

Test #38:

score: 0
Accepted
time: 40ms
memory: 37680kb

input:

5
nmnnmnnmnnmnnmmmnnmmmmmnnnnnmmnmnnnnnmmnmmmnnnmnmnmnmmmmmnnnnmnnnmnnnmmmnmnmmmmnmmnmmmnnnnmmmmmnmnnmmmnmmnmmnmmmnnnmmmnmmnnnmmmnnmnnnmnmmmnnnnmmmnmnnmnmmmmnnnnnnnmnnnmmmmnmmnnnmnnnmmmnnmmnmnmmnnmmmmnnmnnnmmmmmmnmmnnnmnnnnnmmnmnmmnmnnnmnmmnmnmmmnnmmnmnnnmnmmmmnmnnnmmmnmnmmnnnnnmmmnnmnnnnnnmmmmmmmnm...

output:

4526

result:

ok 1 number(s): "4526"

Test #39:

score: 0
Accepted
time: 35ms
memory: 38708kb

input:

5
aaupapuupauuauapupapauauuuuuaapauuaaapppuauuppupuapappuapuuuuaupappaauupapppuppauuaauppuappaappaupaaapaapupuuapaauuuppppuaapaaauuapupuaaapppuuaaapuuuapuaupaaapupaauaapuaapaaaaupuuuupupuapaaaapaupaaaapppuapapuauauapuaauuapapuappauauappuappppuppaauapapuapuauuapupaupaauauupaauapuaupauauuapaappaapaapp...

output:

2372

result:

ok 1 number(s): "2372"

Test #40:

score: 0
Accepted
time: 26ms
memory: 37992kb

input:

5
bkdbddddvddkvkvdbkvdvbbdkkkvvkbvbvbvvbvvvkdbdkkkdvbdkdkvbbbbkbbvbkddkbdvbkkkbdvvdkkdvkbkkdvddbdvdkkdkvbkkdkkbvddddvdvvkkvbbdvkkvkbkkkkkvddbbkdkbvdkbkkdvkvvvvkbkkvkbbdvbkdbkdbkvkkkkvkvkkvvkkvkbbvbvbbbvkbvbvkkvkvkbvbdvvdkkvdbkvbdvvdkvddvvddvkdbkbbvkbvdbvvdddkbdddvbbbdvvdddvdkbdkbkkdbvbkdvdddvddbkkvk...

output:

2339

result:

ok 1 number(s): "2339"

Test #41:

score: 0
Accepted
time: 2ms
memory: 35536kb

input:

2
afffafafaa
afaafaafaf

output:

29

result:

ok 1 number(s): "29"

Test #42:

score: 0
Accepted
time: 37ms
memory: 37420kb

input:

5
wjdulwwjulujdddljudwwlddduddujljjjdluljwddjuddddljwjuujdllllljuudddjwududddudllwudluldwudddwdllldlwwwdjlwuwwlddlluluwdlldjuudujdjujddwduwwjwlluudjjujjdudlljwdwduwjdljlwdjddwddddludwuuwlddddddljddlduddwldwddllduwjwddjdulwddjwddddwujwluujjjludwjddwwdjwddulldjwljudjljljduddjlddjujdddddudduljduuuljwul...

output:

2063

result:

ok 1 number(s): "2063"

Test #43:

score: 0
Accepted
time: 400ms
memory: 36556kb

input:

1000000
i
n
l
f
q
i
s
m
u
x
r
v
v
u
b
m
o
u
s
q
k
t
t
c
n
t
y
m
x
q
k
v
h
q
s
w
o
b
o
y
n
s
f
w
d
d
y
d
l
i
e
r
c
l
e
d
h
h
c
l
x
q
f
l
v
j
q
j
p
o
e
s
l
w
u
h
q
f
j
g
l
h
v
x
k
w
t
h
o
b
e
s
x
c
m
v
r
r
p
w
d
g
r
u
g
d
j
a
a
c
w
t
u
h
x
i
l
s
o
z
i
m
p
h
j
u
p
t
g
f
p
w
x
f
o
w
u
m
a
k
p
p
q
x
n
r
...

output:

26

result:

ok 1 number(s): "26"

Test #44:

score: 0
Accepted
time: 395ms
memory: 34784kb

input:

1000000
u
i
n
f
z
i
g
y
o
t
a
t
y
q
m
g
u
z
t
j
j
s
f
r
f
z
a
e
k
s
q
u
p
e
o
l
x
g
q
b
l
w
x
c
u
x
j
e
s
e
y
r
r
v
v
i
d
p
q
e
q
q
z
a
d
i
e
y
w
p
e
x
m
n
e
f
j
l
c
y
x
i
d
a
m
k
w
q
y
j
c
u
y
h
k
l
y
j
r
e
r
b
n
i
w
r
o
i
q
m
o
r
x
d
s
u
n
i
w
r
t
g
c
i
d
h
n
a
x
h
t
c
s
h
c
j
c
i
b
z
u
z
c
b
e
k
...

output:

26

result:

ok 1 number(s): "26"

Test #45:

score: 0
Accepted
time: 369ms
memory: 36436kb

input:

1000000
c
c
b
c
b
b
a
c
c
b
c
b
a
a
a
a
c
b
a
c
c
c
c
b
c
a
c
c
b
a
a
a
c
c
b
b
c
a
c
a
c
c
c
c
a
b
c
b
a
b
c
a
a
a
b
c
a
c
b
c
b
a
c
b
a
b
c
c
a
c
b
c
a
b
c
c
b
a
a
a
c
b
c
a
b
b
c
b
a
a
c
c
c
b
b
a
b
a
c
b
a
b
c
b
b
b
a
b
a
a
c
a
b
b
c
a
a
c
c
b
a
a
c
b
a
b
a
b
b
b
b
b
c
a
b
b
c
a
a
a
b
a
b
b
a
c
...

output:

3

result:

ok 1 number(s): "3"

Test #46:

score: 0
Accepted
time: 109ms
memory: 55008kb

input:

1
alngdzgfsplrmhhyblurpjxyqhrxmbyyubvvxtmuwrnfimiggwhsoluetintakqfohgtmtampxljpkawolbuyrsrmdjapecfytjcfxcdcyymbfaqshkujxxypteohceukrejaveenkmsdxrmpdlapcnsnowykiiqisgdratbqcwxfzspkglkqghmcsiqwemkilaisqucgithhcrjvoydpnmtmxdwsmjfjtimsqpvesagpqucssfwyricarvcpcujfsxupluoxxkzelyjqewsptiyobhrvdatjhbcohcdfd...

output:

3195

result:

ok 1 number(s): "3195"

Test #47:

score: 0
Accepted
time: 113ms
memory: 54972kb

input:

1
ghbhcdfhccifjigghcfhejhfcaibghfhehehjichadijbiihajddhgjgbdibecjjcaagedfaafejcfjjgdaiebcjihecjicadacefgbajeafccjdbafdjhjddjggbdhgdijbbiadeabbaiieacbeighagbaajgdbdajgajcabhcgfcadbadigjhehaibighhdjhaeggefhgfcfhaahhchedcjhbaedihgfgjiejeifbdieacghbghfjdjfehfgdfadeeghdjdcghibjdhiiggdchdbihfchbhchaeefccb...

output:

3395

result:

ok 1 number(s): "3395"

Test #48:

score: 0
Accepted
time: 116ms
memory: 55264kb

input:

1
fgffhhghheehgggfgghdeeeedgfdhdfehghhegeeggfhgdfhgfgedgdgdegedhegeedddefdfedhfgdhghehhggehdffdfgddhegeghefffgddedfeeggfheghhgghhhehfefhfegfgghfffdhfddgheegdgefdhhegfffefghhehgggheegdggddeggdehddhdfefgeffdgfdghefgegdhegdfggeggddhhddefghfgedhhdeghgfedhddefdhfhfdhfdghhegedfhdeefffegedddgfgefheffeeeedd...

output:

4178

result:

ok 1 number(s): "4178"

Test #49:

score: 0
Accepted
time: 99ms
memory: 38844kb

input:

100
xuxmuutatmmtxmautmmttuuaatmtamxmutxautxxttmuamtxaaumaautaaattmmmxumtxaaxmxxmmumuttmututmtmuauutuuuumtuaxmaaxattxattuuxumxtummmttmmutmmataxuuttattmatumxxatuxumatxutmtuuaaatxatutmmtutauauuuuxumataxtamauttaaxxuttaaxtauamammxumauxumuuutmuxmauxutuxuxtutmtatuxttxtummtxutxmaxuuxxtxuatuamuxaatuatuauxxmu...

output:

30276

result:

ok 1 number(s): "30276"

Test #50:

score: 0
Accepted
time: 108ms
memory: 39280kb

input:

100
wddldawddddlwwawawdwdldldldldawdwwdwaaddlddddadwladdddaddawadladlwldlalldddlddlddwdlwwddaddllwwdldddwwldddaadwadddddlddlwwdawawdwaawadadadldddwaaldadallwdwlwdlddadlddladdlddddaaddddlwwdaalddddwldaddadaddwawwalaalladdalllddadwddddadlwlddlddwldaadlwddwlldddadwwaddaaldddwwlddddddwddadddalwawddwdawd...

output:

30213

result:

ok 1 number(s): "30213"

Test #51:

score: 0
Accepted
time: 102ms
memory: 38060kb

input:

100
ygripyrkwoyooyykfppktyktktikoyyogttiorfyptgtogkygrtkiwgyoipkpkkiiikypgftggfpktrwoygfwptwpwfyptpwrwyigyokwprkfpkfkfwpfykrfygoyykkgfigyktyryrfpkfwoipoipotypiifpyooykkpokgopooykywyiwgoypwtwygfikorpoirptfffkwirriyyyypfpkiwrpyfgtwrtfyfotpttfrwpfoprftpyigfrtggpwifypwyfpowpripgtfrgkyirkrorfgrorwpopioig...

output:

16720

result:

ok 1 number(s): "16720"

Test #52:

score: 0
Accepted
time: 523ms
memory: 59276kb

input:

100
ywwcynkynntwwqtcyjcnkjtkwctnqwcttnnqwqjjqjjwykwwyjwnywkwqwnjytqkyyjwqwwycyycjtqyqyjyqqynqwwtnwcjwjckjnnywjwwjntnwwjywywwwkwwtcqnkqqjqqwkknnykjcynwnyyqwjwyjckkcnqyqwkywyykkwcwwwkcknkwttnqyqytnttyjqtwwywqyytywkcwyqnqwywwwtwywjwqjwcwcqwkqcqnywkkwyncjwtkcwqtjycywtjkywyknyjqcwqwtywqjktwytkcwykwknnwyj...

output:

346933

result:

ok 1 number(s): "346933"

Test #53:

score: 0
Accepted
time: 523ms
memory: 59744kb

input:

100
nmxxmmvdyyfnmmvmmunvmfmvrnddnryrmdrvuurmuvnmudnnrrmyvmvuvdxvyxvmumnnrxummffuvdrmxnydfxnxfnxmnvmyfnmuyxruxfymyryunrmfmdmmxmufnmmmmmryrnfmrrvrfvfdxumymxmmxmxxmnfyddmmurvfvumfmxrmvfmnxnmnrvmyxfyrvnyfyyvvrmryynruyxmfmvmxxmrxrvmxudyvfxndrnvunvmnyxvyfvvxrndmffdvrfvfmmufdumxdvmumvmmxnmxdudyyfrdvmrxvyyx...

output:

354764

result:

ok 1 number(s): "354764"

Test #54:

score: 0
Accepted
time: 322ms
memory: 50896kb

input:

100
hohohoohoohhoohhhhhhohohhhooohhohoooohohhhoooohohhhoohhooohhhooohhoooohooooooohohhhoohohohhhohoohhohhohhoohohhhohohoohhhohooooooohoooohhooohhhooohhoohhhohoooohhhohoooohohhooohhhohohhhhhhoohhoohoohohohhohhoohohhhohohoohhhohooooooohoooohhooohhhooohhoohhhohoooohhhohoooohohhooohhhohohhhhhhoohhoohooh...

output:

400202791

result:

ok 1 number(s): "400202791"

Test #55:

score: 0
Accepted
time: 320ms
memory: 52472kb

input:

100
yyyyyjyyjjjyyjjjjjyjyyyjyyjyyjyyyjyyyyjjyyjjjyyyjyyyyjjjyyyjjyjyyyyyyyyyjjjyyjjyjjjyyyyjjjyyyyjyyyyyyyyyyjyyyyjjjyyyyjjjyjjyyjjjyyyyyyyyyjyjjyyyjjjyyyyjyyyjjjyyjjyyyyjyyyjyyjyyjyyyjyjjjjjyyjjjyyjyyyyyyyyyyjyyjjjyyjjjjjyjyyyjyyjyyjyyyjyyyyjjyyjjjyyyjyyyyjjjyyyjjyjyyyyyyyyyjjjyyjjyjjjyyyyjjjyyyyjy...

output:

200209587

result:

ok 1 number(s): "200209587"

Test #56:

score: 0
Accepted
time: 277ms
memory: 48828kb

input:

100
coppocpcpccpccppocopcooccopopccopccocccpocooccocpcppccocoppcocoppcoocoopopoooopppopppoccppccpcppccoccoccppcpccppccopppopppoooopopoocoocppococppococcppcpcoccoocopcccoccpoccpopoccoocpocoppccpccpcpcoppoccoccppcpccppccopppopppoooopopoocoocppococppococcppcpcoccoocopcccoccpoccpopoccoocpocoppccpccpcpco...

output:

203651

result:

ok 1 number(s): "203651"