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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#111931#5440. P-P-PalindromewhyAC ✓56ms79132kbC++173.3kb2023-06-09 10:34:142023-06-09 10:34:17

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.
  • [2023-06-09 10:34:17]
  • 评测
  • 测评结果:AC
  • 用时:56ms
  • 内存:79132kb
  • [2023-06-09 10:34:14]
  • 提交

answer

#include<stdio.h>
#include<algorithm>
#include<math.h>
#include<string.h>
#include<queue>
#include<stack>
#include<vector>
#include<map>
#include<set>
using namespace std;

#define fi first
#define se second
#define pb push_back
typedef double db;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<int,ll> pil;
typedef pair<ll,int> pli;
typedef pair<ll,ll> pll;
const int N=1e6+86;

struct PAM
{
	int siz,tot,lst;
	int ch[N][26],len[N],fail[N];//num[N];
	char s[N];
    struct edge{int to,nxt;}e[N];
    int head[N],_tot;
    void add(int u,int v){e[++_tot]={v,head[u]},head[u]=_tot;}
	
	int node(int l)
	{
		len[++siz]=l;
		memset(ch[siz],0,sizeof(ch[siz]));
		fail[siz]=0;
		return siz;
	}
	void clear()
	{
		siz=-1;
		lst=_tot=0;
		s[tot=0]='$';
		node(0);
		node(-1);
		fail[0]=1;
	}
	int getfail(int x)
	{
		while(s[tot-len[x]-1]!=s[tot]) x=fail[x];
		return x;
	}
	void insert(char c)
	{
		s[++tot]=c;
		int now=getfail(lst);
		if(!ch[now][c-'a'])
		{
			int x=node(len[now]+2);
			fail[x]=ch[getfail(fail[now])][c-'a'];
			ch[now][c-'a']=x;
		}
		lst=ch[now][c-'a'];
        // num[lst]++;
		// return num[ch[now][c-'a']];
	}
    // void dfs(int u)
    // {
    //     for(int i=head[u];i;i=e[i].nxt)
    //         dfs(e[i].to);
    //     num[fail[u]]+=num[u];
    // }
    // void calc()
    // {
    //     for(int i=0;i<=siz;i++)
    //         if(i!=1) add(fail[i],i);
    //     dfs(1);
    // }
}pre,suf;
ll ans;
int n;
char s[N];
void dfs(int x1,int x2)
{
    if(x1>1&&x2>1)
    {
        // map<int,int> mp;
        int t1=pre.fail[x1],t2=suf.fail[x2];
        // while(t1>1)
        // {
        //     mp[pre.len[t1]]++;
        //     t1=pre.fail[t1];
        // }
        // while(t2>1)
        // {
        //     if(mp.count(pre.len[x1]-suf.len[t2])) cnt+=(pre.len[x1]-suf.len[t2]<=suf.len[t2])?(pre.len[x1]-suf.len[t2]<suf.len[t2])?4:2:0;
        //     t2=suf.fail[t2];
        // }
        // printf("%d\n",(((pre.len[x1]/pre.len[x1]-pre.len[t1])&1)?0:-2)+pre.len[x1]/(pre.len[x1]-pre.len[t1])/2*4);
        // if(pre.len[t1]==suf.len[t2]&&t1>1&&t2>1&&pre.len[x1]!=pre.len[x1]/(pre.len[x1]-pre.len[t1])*(pre.len[x1]-pre.len[t1])) puts("kk");
        if(pre.len[t1]==suf.len[t2]&&t1>1&&t2>1&&pre.len[x1]==pre.len[x1]/(pre.len[x1]-pre.len[t1])*(pre.len[x1]-pre.len[t1]))
            ans+=((pre.len[x1]/(pre.len[x1]-pre.len[t1])&1)?0:-2)+pre.len[x1]/(pre.len[x1]-pre.len[t1])/2*4;
        ans++;
    }
    for(int i=0;i<26;i++)
        if(pre.ch[x1][i]) dfs(pre.ch[x1][i],suf.ch[x2][i]);//printf("%d %d %d %c\n",x1,pre.ch[x1][i],pre.num[pre.ch[x1][i]],i+'a'),
}

template<typename T>
inline void read(T &x)
{
	T k=1;char ch=getchar();x=0;
	while(ch<'0'||ch>'9'){if(ch=='-') k=-1;ch=getchar();}
	while(ch>='0'&&ch<='9')x=(x<<1)+(x<<3)+(ch^48),ch=getchar();
	x*=k;
}

int main()
{
    read(n);
    pre.clear();
    suf.clear();
    for(int i=1;i<=n;i++)
    {
        scanf("%s",s+1);
        pre.lst=suf.lst=0;
        pre.tot=suf.tot=0;
        int len=strlen(s+1);
        for(int j=1;j<=len;j++)
            suf.insert(s[j]);
        for(int j=len;j>=1;j--)
            pre.insert(s[j]);
    }
    // pre.calc();
    // suf.calc();
    dfs(0,0);
    dfs(1,1);
    printf("%lld\n",ans);
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 1720kb

input:

2
aaaa
aaa

output:

16

result:

ok 1 number(s): "16"

Test #2:

score: 0
Accepted
time: 1ms
memory: 1720kb

input:

3
abaaa
abbbba
bbbaba

output:

28

result:

ok 1 number(s): "28"

Test #3:

score: 0
Accepted
time: 1ms
memory: 1732kb

input:

1
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab

output:

15130

result:

ok 1 number(s): "15130"

Test #4:

score: 0
Accepted
time: 0ms
memory: 1724kb

input:

3
aaaaaaaaaaaaaaaaaaaaaaaaa
bbbbbbbbbbbbbbbbbbbbbbbbb
bababababababaabababababa

output:

1282

result:

ok 1 number(s): "1282"

Test #5:

score: 0
Accepted
time: 15ms
memory: 16196kb

input:

5
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff...

output:

3600000000

result:

ok 1 number(s): "3600000000"

Test #6:

score: 0
Accepted
time: 9ms
memory: 16224kb

input:

5
wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww...

output:

3600000000

result:

ok 1 number(s): "3600000000"

Test #7:

score: 0
Accepted
time: 20ms
memory: 33332kb

input:

3
abbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbab...

output:

133586

result:

ok 1 number(s): "133586"

Test #8:

score: 0
Accepted
time: 19ms
memory: 30072kb

input:

3
abbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbabab...

output:

118967

result:

ok 1 number(s): "118967"

Test #9:

score: 0
Accepted
time: 27ms
memory: 29108kb

input:

3
bbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabb...

output:

114444

result:

ok 1 number(s): "114444"

Test #10:

score: 0
Accepted
time: 11ms
memory: 29196kb

input:

3
abbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbababbababbabbababbababbabbababbabbababbababbabbababbabbabab...

output:

115321

result:

ok 1 number(s): "115321"

Test #11:

score: 0
Accepted
time: 16ms
memory: 32864kb

input:

3
azzazzazazzazzazazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazzazazzazazzazzazazzazazzazzazazzazzazazzazazzazzazaz...

output:

131825

result:

ok 1 number(s): "131825"

Test #12:

score: 0
Accepted
time: 6ms
memory: 1824kb

input:

3
yazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbyb...

output:

6

result:

ok 1 number(s): "6"

Test #13:

score: 0
Accepted
time: 6ms
memory: 1860kb

input:

3
azbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazby...

output:

6

result:

ok 1 number(s): "6"

Test #14:

score: 0
Accepted
time: 6ms
memory: 1832kb

input:

3
byazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbyazbybyazbybyazbyazbybyazbybyazbyazbybyaz...

output:

6

result:

ok 1 number(s): "6"

Test #15:

score: 0
Accepted
time: 4ms
memory: 27408kb

input:

1
abbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbaabbabaabbaababbabaababbaabbabaababbabaabbaababbabaababbaabbabaabbaababbaabbabaababbabaabbaababbabaababbaabbabaababbabaabbaababbaabbabaabba...

output:

113382

result:

ok 1 number(s): "113382"

Test #16:

score: 0
Accepted
time: 11ms
memory: 17704kb

input:

5
rrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr...

output:

123447499

result:

ok 1 number(s): "123447499"

Test #17:

score: 0
Accepted
time: 11ms
memory: 11476kb

input:

5
tttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt...

output:

25319820

result:

ok 1 number(s): "25319820"

Test #18:

score: 0
Accepted
time: 10ms
memory: 5180kb

input:

5
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff...

output:

2746507

result:

ok 1 number(s): "2746507"

Test #19:

score: 0
Accepted
time: 22ms
memory: 35176kb

input:

3
oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo...

output:

1912677071

result:

ok 1 number(s): "1912677071"

Test #20:

score: 0
Accepted
time: 23ms
memory: 18236kb

input:

3
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxcxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx...

output:

111259628

result:

ok 1 number(s): "111259628"

Test #21:

score: 0
Accepted
time: 10ms
memory: 8644kb

input:

3
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc...

output:

13754174

result:

ok 1 number(s): "13754174"

Test #22:

score: 0
Accepted
time: 10ms
memory: 5372kb

input:

3
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd...

output:

1867151

result:

ok 1 number(s): "1867151"

Test #23:

score: 0
Accepted
time: 5ms
memory: 6628kb

input:

1
jjqjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjvjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj...

output:

1856484

result:

ok 1 number(s): "1856484"

Test #24:

score: 0
Accepted
time: 6ms
memory: 4740kb

input:

1
vvvvvvvvvvvvvvvvvvvvvvvvvvvqvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvmvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvsvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvnvvvvvvvvvvvvvvvvvvvv...

output:

190722

result:

ok 1 number(s): "190722"

Test #25:

score: 0
Accepted
time: 9ms
memory: 3992kb

input:

1
txxxxxxxxxxxxxxxxxxxxxxxxxxxxhxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxrxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxhxxxxxtxlxxxxxxxxxktxxxxxxxxxxxxxxxxxexxxxxxxxxxxxxxgxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxjxxxxxxxxxxxxxxxxxxxvxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxzqxxjxxxxxxxxxxxxxxx...

output:

76004

result:

ok 1 number(s): "76004"

Test #26:

score: 0
Accepted
time: 7ms
memory: 17756kb

input:

1
gggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg...

output:

81149988

result:

ok 1 number(s): "81149988"

Test #27:

score: 0
Accepted
time: 9ms
memory: 30416kb

input:

1
llllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll...

output:

1272080790

result:

ok 1 number(s): "1272080790"

Test #28:

score: 0
Accepted
time: 20ms
memory: 49708kb

input:

1
eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee...

output:

12890286923

result:

ok 1 number(s): "12890286923"

Test #29:

score: 0
Accepted
time: 10ms
memory: 16292kb

input:

5
dgasxxawfuzttbnrniddspiplejfqzzoadnogyemjktjqqjtkjmeygondaozzqfjelpipsddinrnbttzufwaxxsagdvkrreghjrkkrjhgerrkvdgasxxawfuzttbnrniddspiplejfqzzoadnogyemjktjqqjtkjmeygondaozzqfjelpipsddinrnbttzufwaxxsagdvkrreghjrkkrjhgerrkvdgasxxawfuzttbnrniddspiplejfqzzoadnogyemjktjqqjtkjmeygondaozzqfjelpipsddinrnbt...

output:

652993

result:

ok 1 number(s): "652993"

Test #30:

score: 0
Accepted
time: 17ms
memory: 16248kb

input:

5
jlpzojmatlmawicowbaazzfyzqdjodsyngoqfnxbshbjywkgafhdarnchbwcskosqxpdjffjdpxqsokscwbhcnradhfagkwyjbhsbxnfqognysdojdqzyfzzaabwociwamltamjozpljjlpzojmatlmawicowbaazzfyzqdjodsyngoqfnxbshbjywkgafhdarnchbwcskosqxpdjffjdpxqsokscwbhcnradhfagkwyjbhsbxnfqognysdojdqzyfzzaabwociwamltamjozpljjlpzojmatlmawicowb...

output:

425510

result:

ok 1 number(s): "425510"

Test #31:

score: 0
Accepted
time: 9ms
memory: 16236kb

input:

5
zwzxfvwcwglyetqbpgxubiqntaydeqmdpassapdmqedyatnqibuxgpbqteylgwcwvfxzwzjeiveeviejzwzxfvwcwglyetqbpgxubiqntaydeqmdpassapdmqedyatnqibuxgpbqteylgwcwvfxzwzjeiveeviejzwzxfvwcwglyetqbpgxubiqntaydeqmdpassapdmqedyatnqibuxgpbqteylgwcwvfxzwzjeiveeviejzwzxfvwcwglyetqbpgxubiqntaydeqmdpassapdmqedyatnqibuxgpbqte...

output:

1180524

result:

ok 1 number(s): "1180524"

Test #32:

score: 0
Accepted
time: 14ms
memory: 16204kb

input:

5
rmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiqkdmpnzvkmqwgmrpocxxcoprmgwqmkvznpmdkqiiq...

output:

4551019

result:

ok 1 number(s): "4551019"

Test #33:

score: 0
Accepted
time: 13ms
memory: 16284kb

input:

5
tnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskksltnzbhxooxhbzntlskk...

output:

18042012

result:

ok 1 number(s): "18042012"

Test #34:

score: 0
Accepted
time: 8ms
memory: 16220kb

input:

5
wosalwxbdgvouchgnkqygjphbtpoxduzlpmpbuhhmwvgsbrfolbykyjzoukregdyxskkinjqzjeuublzpuukcaazbsggluyqlmyiallofjebbukuqcalufrqdjjkgvooretzaasgnpnztfalutzztulaftznpngsaazteroovgkjjdqrfulacqukubbejfollaiymlqyulggsbzaackuupzlbuuejzqjnikksxydgerkuozjykyblofrbsgvwmhhubpmplzudxoptbhpjgyqknghcuovgdbxwlasowovxg...

output:

61625

result:

ok 1 number(s): "61625"

Test #35:

score: 0
Accepted
time: 12ms
memory: 15768kb

input:

5
pyybsfiukgpneuwnykmxylcpaujvzpvcubdlvljkdwxkniwznzqvfblfedmydoqqrysksoobrwsqguocoxtfnisqmtbbieekshiwrzrbluflrtzfxwkvqtplcinkqqjsxogdsyucodbzhhnzaluymttfnzovqnevrqtbtqpmtgsfvnenstchzhdrequfxuasnkoxexafwpbgzqaobiicvmwugeugfgpmjvfphfojacdfhjplypqfoxzoacnfoucbhlqqnxxywfdaykxbsfkkkbwuryfwowvhecdgtnzcnp...

output:

57998

result:

ok 1 number(s): "57998"

Test #36:

score: 0
Accepted
time: 18ms
memory: 13108kb

input:

5
pndpupqzhnvxfilkpqdiabywphmclxjchfoctreacxnxwernjkhtyrgokfjpcuuqstsoserfmhfnrgdhzsioknvrhqflrjfkgkjrtoouchgeduceggstnsraurhpxgreryesioloxkcnndjdzyrfmksunizovolqltamzkmaggqftuvwjnkrhgyewthkqchdrgqrkwdfdwdoqunjulkpykaavlinxbzfuzzoqyvwrsfgmtvrzoyidesgkfwtbunicodseljtsxdzxpvpjnbaunefavrjjzhufqqsvekbpl...

output:

46840

result:

ok 1 number(s): "46840"

Test #37:

score: 0
Accepted
time: 50ms
memory: 75060kb

input:

1
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

output:

90000000000

result:

ok 1 number(s): "90000000000"

Test #38:

score: 0
Accepted
time: 10ms
memory: 2428kb

input:

5
nmnnmnnmnnmnnmmmnnmmmmmnnnnnmmnmnnnnnmmnmmmnnnmnmnmnmmmmmnnnnmnnnmnnnmmmnmnmmmmnmmnmmmnnnnmmmmmnmnnmmmnmmnmmnmmmnnnmmmnmmnnnmmmnnmnnnmnmmmnnnnmmmnmnnmnmmmmnnnnnnnmnnnmmmmnmmnnnmnnnmmmnnmmnmnmmnnmmmmnnmnnnmmmmmmnmmnnnmnnnnnmmnmnmmnmnnnmnmmnmnmmmnnmmnmnnnmnmmmmnmnnnmmmnmnmmnnnnnmmmnnmnnnnnnmmmmmmmnm...

output:

4526

result:

ok 1 number(s): "4526"

Test #39:

score: 0
Accepted
time: 11ms
memory: 2152kb

input:

5
aaupapuupauuauapupapauauuuuuaapauuaaapppuauuppupuapappuapuuuuaupappaauupapppuppauuaauppuappaappaupaaapaapupuuapaauuuppppuaapaaauuapupuaaapppuuaaapuuuapuaupaaapupaauaapuaapaaaaupuuuupupuapaaaapaupaaaapppuapapuauauapuaauuapapuappauauappuappppuppaauapapuapuauuapupaupaauauupaauapuaupauauuapaappaapaapp...

output:

2372

result:

ok 1 number(s): "2372"

Test #40:

score: 0
Accepted
time: 8ms
memory: 2168kb

input:

5
bkdbddddvddkvkvdbkvdvbbdkkkvvkbvbvbvvbvvvkdbdkkkdvbdkdkvbbbbkbbvbkddkbdvbkkkbdvvdkkdvkbkkdvddbdvdkkdkvbkkdkkbvddddvdvvkkvbbdvkkvkbkkkkkvddbbkdkbvdkbkkdvkvvvvkbkkvkbbdvbkdbkdbkvkkkkvkvkkvvkkvkbbvbvbbbvkbvbvkkvkvkbvbdvvdkkvdbkvbdvvdkvddvvddvkdbkbbvkbvdbvvdddkbdddvbbbdvvdddvdkbdkbkkdbvbkdvdddvddbkkvk...

output:

2339

result:

ok 1 number(s): "2339"

Test #41:

score: 0
Accepted
time: 1ms
memory: 1556kb

input:

2
afffafafaa
afaafaafaf

output:

29

result:

ok 1 number(s): "29"

Test #42:

score: 0
Accepted
time: 7ms
memory: 2120kb

input:

5
wjdulwwjulujdddljudwwlddduddujljjjdluljwddjuddddljwjuujdllllljuudddjwududddudllwudluldwudddwdllldlwwwdjlwuwwlddlluluwdlldjuudujdjujddwduwwjwlluudjjujjdudlljwdwduwjdljlwdjddwddddludwuuwlddddddljddlduddwldwddllduwjwddjdulwddjwddddwujwluujjjludwjddwwdjwddulldjwljudjljljduddjlddjujdddddudduljduuuljwul...

output:

2063

result:

ok 1 number(s): "2063"

Test #43:

score: 0
Accepted
time: 53ms
memory: 1732kb

input:

1000000
i
n
l
f
q
i
s
m
u
x
r
v
v
u
b
m
o
u
s
q
k
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c
n
t
y
m
x
q
k
v
h
q
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w
o
b
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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: 50ms
memory: 1724kb

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: 43ms
memory: 1564kb

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: 10ms
memory: 5096kb

input:

1
alngdzgfsplrmhhyblurpjxyqhrxmbyyubvvxtmuwrnfimiggwhsoluetintakqfohgtmtampxljpkawolbuyrsrmdjapecfytjcfxcdcyymbfaqshkujxxypteohceukrejaveenkmsdxrmpdlapcnsnowykiiqisgdratbqcwxfzspkglkqghmcsiqwemkilaisqucgithhcrjvoydpnmtmxdwsmjfjtimsqpvesagpqucssfwyricarvcpcujfsxupluoxxkzelyjqewsptiyobhrvdatjhbcohcdfd...

output:

3195

result:

ok 1 number(s): "3195"

Test #47:

score: 0
Accepted
time: 22ms
memory: 5084kb

input:

1
ghbhcdfhccifjigghcfhejhfcaibghfhehehjichadijbiihajddhgjgbdibecjjcaagedfaafejcfjjgdaiebcjihecjicadacefgbajeafccjdbafdjhjddjggbdhgdijbbiadeabbaiieacbeighagbaajgdbdajgajcabhcgfcadbadigjhehaibighhdjhaeggefhgfcfhaahhchedcjhbaedihgfgjiejeifbdieacghbghfjdjfehfgdfadeeghdjdcghibjdhiiggdchdbihfchbhchaeefccb...

output:

3395

result:

ok 1 number(s): "3395"

Test #48:

score: 0
Accepted
time: 19ms
memory: 5256kb

input:

1
fgffhhghheehgggfgghdeeeedgfdhdfehghhegeeggfhgdfhgfgedgdgdegedhegeedddefdfedhfgdhghehhggehdffdfgddhegeghefffgddedfeeggfheghhgghhhehfefhfegfgghfffdhfddgheegdgefdhhegfffefghhehgggheegdggddeggdehddhdfefgeffdgfdghefgegdhegdfggeggddhhddefghfgedhhdeghgfedhddefdhfhfdhfdghhegedfhdeefffegedddgfgefheffeeeedd...

output:

4178

result:

ok 1 number(s): "4178"

Test #49:

score: 0
Accepted
time: 31ms
memory: 7320kb

input:

100
xuxmuutatmmtxmautmmttuuaatmtamxmutxautxxttmuamtxaaumaautaaattmmmxumtxaaxmxxmmumuttmututmtmuauutuuuumtuaxmaaxattxattuuxumxtummmttmmutmmataxuuttattmatumxxatuxumatxutmtuuaaatxatutmmtutauauuuuxumataxtamauttaaxxuttaaxtauamammxumauxumuuutmuxmauxutuxuxtutmtatuxttxtummtxutxmaxuuxxtxuatuamuxaatuatuauxxmu...

output:

30276

result:

ok 1 number(s): "30276"

Test #50:

score: 0
Accepted
time: 33ms
memory: 7356kb

input:

100
wddldawddddlwwawawdwdldldldldawdwwdwaaddlddddadwladdddaddawadladlwldlalldddlddlddwdlwwddaddllwwdldddwwldddaadwadddddlddlwwdawawdwaawadadadldddwaaldadallwdwlwdlddadlddladdlddddaaddddlwwdaalddddwldaddadaddwawwalaalladdalllddadwddddadlwlddlddwldaadlwddwlldddadwwaddaaldddwwlddddddwddadddalwawddwdawd...

output:

30213

result:

ok 1 number(s): "30213"

Test #51:

score: 0
Accepted
time: 29ms
memory: 4872kb

input:

100
ygripyrkwoyooyykfppktyktktikoyyogttiorfyptgtogkygrtkiwgyoipkpkkiiikypgftggfpktrwoygfwptwpwfyptpwrwyigyokwprkfpkfkfwpfykrfygoyykkgfigyktyryrfpkfwoipoipotypiifpyooykkpokgopooykywyiwgoypwtwygfikorpoirptfffkwirriyyyypfpkiwrpyfgtwrtfyfotpttfrwpfoprftpyigfrtggpwifypwyfpowpripgtfrgkyirkrorfgrorwpopioig...

output:

16720

result:

ok 1 number(s): "16720"

Test #52:

score: 0
Accepted
time: 42ms
memory: 77464kb

input:

100
ywwcynkynntwwqtcyjcnkjtkwctnqwcttnnqwqjjqjjwykwwyjwnywkwqwnjytqkyyjwqwwycyycjtqyqyjyqqynqwwtnwcjwjckjnnywjwwjntnwwjywywwwkwwtcqnkqqjqqwkknnykjcynwnyyqwjwyjckkcnqyqwkywyykkwcwwwkcknkwttnqyqytnttyjqtwwywqyytywkcwyqnqwywwwtwywjwqjwcwcqwkqcqnywkkwyncjwtkcwqtjycywtjkywyknyjqcwqwtywqjktwytkcwykwknnwyj...

output:

346933

result:

ok 1 number(s): "346933"

Test #53:

score: 0
Accepted
time: 56ms
memory: 79132kb

input:

100
nmxxmmvdyyfnmmvmmunvmfmvrnddnryrmdrvuurmuvnmudnnrrmyvmvuvdxvyxvmumnnrxummffuvdrmxnydfxnxfnxmnvmyfnmuyxruxfymyryunrmfmdmmxmufnmmmmmryrnfmrrvrfvfdxumymxmmxmxxmnfyddmmurvfvumfmxrmvfmnxnmnrvmyxfyrvnyfyyvvrmryynruyxmfmvmxxmrxrvmxudyvfxndrnvunvmnyxvyfvvxrndmffdvrfvfmmufdumxdvmumvmmxnmxdudyyfrdvmrxvyyx...

output:

354764

result:

ok 1 number(s): "354764"

Test #54:

score: 0
Accepted
time: 42ms
memory: 54052kb

input:

100
hohohoohoohhoohhhhhhohohhhooohhohoooohohhhoooohohhhoohhooohhhooohhoooohooooooohohhhoohohohhhohoohhohhohhoohohhhohohoohhhohooooooohoooohhooohhhooohhoohhhohoooohhhohoooohohhooohhhohohhhhhhoohhoohoohohohhohhoohohhhohohoohhhohooooooohoooohhooohhhooohhoohhhohoooohhhohoooohohhooohhhohohhhhhhoohhoohooh...

output:

400202791

result:

ok 1 number(s): "400202791"

Test #55:

score: 0
Accepted
time: 21ms
memory: 51044kb

input:

100
yyyyyjyyjjjyyjjjjjyjyyyjyyjyyjyyyjyyyyjjyyjjjyyyjyyyyjjjyyyjjyjyyyyyyyyyjjjyyjjyjjjyyyyjjjyyyyjyyyyyyyyyyjyyyyjjjyyyyjjjyjjyyjjjyyyyyyyyyjyjjyyyjjjyyyyjyyyjjjyyjjyyyyjyyyjyyjyyjyyyjyjjjjjyyjjjyyjyyyyyyyyyyjyyjjjyyjjjjjyjyyyjyyjyyjyyyjyyyyjjyyjjjyyyjyyyyjjjyyyjjyjyyyyyyyyyjjjyyjjyjjjyyyyjjjyyyyjy...

output:

200209587

result:

ok 1 number(s): "200209587"

Test #56:

score: 0
Accepted
time: 11ms
memory: 45600kb

input:

100
coppocpcpccpccppocopcooccopopccopccocccpocooccocpcppccocoppcocoppcoocoopopoooopppopppoccppccpcppccoccoccppcpccppccopppopppoooopopoocoocppococppococcppcpcoccoocopcccoccpoccpopoccoocpocoppccpccpcpcoppoccoccppcpccppccopppopppoooopopoocoocppococppococcppcpcoccoocopcccoccpoccpopoccoocpocoppccpccpcpco...

output:

203651

result:

ok 1 number(s): "203651"