Period II FZU

拓展kmp板题

emm。。。我比较懒 最后一个字母进了vector两个1  不想改了。。。就加了个去重。。。

哈哈

#include <iostream>
#include <cstdio>
#include <sstream>
#include <cstring>
#include <map>
#include <set>
#include <vector>
#include <stack>
#include <queue>
#include <algorithm>
#include <cmath>
#define rap(i, a, n) for(int i=a; i<=n; i++)
#define rep(i, a, n) for(int i=a; i<n; i++)
#define lap(i, a, n) for(int i=n; i>=a; i--)
#define lep(i, a, n) for(int i=n; i>a; i--)
#define rd(a) scanf("%d", &a)
#define rlld(a) scanf("%lld", &a)
#define rc(a) scanf("%c", &a)
#define rs(a) scanf("%s", a)
#define MOD 10007
#define LL long long
#define ULL unsigned long long
#define Pair pair<int, int>
#define mem(a, b) memset(a, b, sizeof(a))
#define _  ios_base::sync_with_stdio(0),cin.tie(0)
//freopen("1.txt", "r", stdin);
using namespace std;
const int maxn = 1000010, INF = 0x7fffffff;
int nex[maxn], ex[maxn];
vector<int> v;

void get_next(char *s)
{
    int i = 0, j, po, len = strlen(s);
    nex[0] = len;
    v.push_back(len);
    while(i + 1 < len && s[i] == s[i + 1])
        i++;
    nex[1] = i;
    po = 1;
    if(i == len - 1)
        v.push_back(1);
    for(int i=2; i<len; i++)
    {
        if(i + nex[i-po] < po + nex[po])
            nex[i] = nex[i-po];
        else
        {
            j = po + nex[po] - i;
            if(j < 0) j = 0;
            while(i + j < len && s[i + j] == s[j])
                j++;
            nex[i] = j;
            po = i;
            if(j == len - i)
                v.push_back(i);
        }
    }
}

int T, kase = 0;
char s[maxn];
int main()
{
    rd(T);
    while(T--)
    {

        v.clear();
        rs(s);
        get_next(s);
        sort(v.begin(), v.end());
        v.erase(unique(v.begin(), v.end()), v.end());
        printf("Case #%d: %d
", ++kase, v.size());
        for(int i=0; i<v.size(); i++)
        {
            if(i != 0) cout<< " ";
            cout<< v[i];
        }
        cout<< endl;

    }


    return 0;
}