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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#21550#2840. 绿绿与串串Hailiang FLS#WA 0ms5640kbC++202.0kb2022-03-07 14:58:092022-05-08 03:37:35

Judging History

This is the latest submission verdict.

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-05-08 03:37:35]
  • Judged
  • Verdict: WA
  • Time: 0ms
  • Memory: 5640kb
  • [2022-03-07 14:58:09]
  • Submitted

answer

#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<ctime>
#include<vector>
#include<queue>
#include<algorithm>
#include<string>
#include<sstream>
#include<cctype>
#include<cmath>
#include<iomanip>
#include<map>
#include<stack>
#include<set>
#include<functional>
#define in(x) x=read()
#define qr read()
#define int ll
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
namespace fastIO
{
    #define BUF_SIZE 100000
    bool IOerror=0;
    inline char nc()
	{
        static char buf[BUF_SIZE],*p1=buf+BUF_SIZE,*pend=buf+BUF_SIZE;
        if (p1==pend){
            p1=buf; pend=buf+fread(buf,1,BUF_SIZE,stdin);
            if (pend==p1){IOerror=1;return -1;}
        }
        return *p1++;
    }
    inline bool blank(char ch){return ch==' '||ch=='\n'||ch=='\r'||ch=='\t';}
    inline ll read()
	{
        bool sign=0; char ch=nc();ll x=0;
        for (;blank(ch);ch=nc());
        if (IOerror)return 0;
        if (ch=='-')sign=1,ch=nc();
        for (;ch>='0'&&ch<='9';ch=nc())x=x*10+ch-'0';
        if (sign)x=-x;
        return x;
    }
    #undef BUF_SIZE
};
using namespace fastIO;
char s[1000010];
int d[1000010],nxt[1000010];
signed main()
{
	//freopen(".in","r",stdin);
	//freopen(".out","w",stdout);
	int T=qr;
	int n;
	while(T--)
	{
		n=0;
		char ch=nc();
		for(;isalpha(ch);ch=nc())s[++n]=ch;
		if(n==1)
		{
			cout<<1<<'\n';
			continue;
		}
		s[0]='~';
		int r=0,p=0;
		for(int i=1;i<=n;i++)
		{
			if(i<r)d[i]=min(d[p*2-i],d[p]+p-i);
			else d[i]=1;
			while(s[i-d[i]]==s[i+d[i]])d[i]++;
			if(i+d[i]>r)r=i+d[i],p=i;
		}
		int j=0;nxt[1]=0;
		for(int i=2;i<=n;i++)
		{
			while(s[i]!=s[j+1]&&j)j=nxt[j];
			if(s[i]==s[j+1])j++;
			nxt[i]=j;
		}
		// for(int i=1;i<=n;i++)cout<<nxt[i]<<'\n';
		int now=nxt[n];
		while(now)
		{
			int len=n-now;
			if(d[len/2+1]>=len/2+1)cout<<len/2+1<<' ';
			now=nxt[now];
		}
		for(int i=n/2+1+n%2;i<=n;i++)if(d[i]>=n-i+1)cout<<i<<' ';cout<<'\n';
	}
	return 0;
}

Details

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Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 5640kb

input:

7
abcdcb
qwqwq
qaqaqqq
carnation
c
ab
aa

output:

4 6 
2 3 4 5 
6 7 
9 
1
2 
1 2 

result:

wrong answer 7th lines differ - expected: '2', found: '1 2 '