提交记录 9072


用户 题目 状态 得分 用时 内存 语言 代码长度
__test_xehoth 1006. 【模板题】后缀排序 Wrong Answer 0 8.277 ms 3608 KB C++11 4.52 KB
提交时间 评测时间
2019-04-09 23:54:53 2020-08-01 01:30:30
#include <bits/stdc++.h>
inline char read() {
    static const int IN_LEN = 1000000;
    static char buf[IN_LEN], *s, *t;
    if (s == t) {
        t = (s = buf) + fread(buf, 1, IN_LEN, stdin);
        if (s == t) return -1;
    }
    return *s++;
}

template<class T>
inline void read(T &x) {
    static char c;
    static bool iosig;
    for (c = read(), iosig = false; !isdigit(c); c = read()) {
        if (c == '-') iosig = true;
        if (c == -1) return;
    }
    for (x = 0; isdigit(c); c = read())
        x = (x + (x << 2) << 1) + (c ^ '0');
    if (iosig) x = -x;
}

const int OUT_LEN = 1000000;
char obuf[OUT_LEN], *oh = obuf;

inline void print(char c) {
    if (oh == obuf + OUT_LEN) fwrite(obuf, 1, OUT_LEN, stdout), oh = obuf;
    *oh++ = c;
}

template<class T>
inline void print(T x) {
    static char buf[30];
    static int y;
    if (x == 0) {
        print('0');
    } else {
        if (x < 0) print('-'), x = -x;
        register int cnt = 0;
        for (; x; x = y) y = x / 10, buf[++cnt] = x - (y + (y << 2) << 1) + 48;
        while (cnt) print(buf[cnt--]);
    }
}

template<class T>
inline void println(T x) {
    print(x), print('\n');
}

inline void flush() {
    fwrite(obuf, 1, oh - obuf, stdout);
}

template<size_t size>
struct SuffixArray {
    bool t[size << 1];
    int sa[size], ht[size], rk[size];

    inline bool islms(const int i, const bool *t) {
        return i > 0 && t[i] && !t[i - 1];
    }

    template<class T>
    inline void sort(T s, int *sa, const int len, const int sz, const int sigma,
        bool *t, int *b, int *cb, int *p) {
        for (register int i = 0; i < sigma; i++) b[i] = 0;
        for (register int i = 0; i < len; i++) sa[i] = -1;
        for (register int i = 0; i < len; i++) b[s[i]]++;
        cb[0] = b[0];
        for (register int i = 1; i < sigma; i++) cb[i] = cb[i - 1] + b[i];
        for (register int i = sz - 1; i >= 0; i--) sa[--cb[s[p[i]]]] = p[i];
        for (register int i = 1; i < sigma; i++) cb[i] = cb[i - 1] + b[i - 1];
        for (register int i = 0; i < len; i++) if (sa[i] > 0 && !t[sa[i] - 1]) 
            sa[cb[s[sa[i] - 1]]++] = sa[i] - 1;
        cb[0] = b[0];
        for (register int i = 1; i < sigma; i++) cb[i] = cb[i - 1] + b[i];
        for (register int i = len - 1; i >= 0; i--) if (sa[i] > 0 && t[sa[i] - 1]) 
            sa[--cb[s[sa[i] - 1]]] = sa[i] - 1;
    }

    template<class T>
    inline void sais(T s, int *sa, const int len, bool *t, int *b, int *b1,
         const int sigma) {
        register int i, j, x, p = -1, cnt = 0, sz = 0, *cb = b + sigma;
        for (t[len - 1] = 1, i = len - 2; i >= 0; i--) t[i] = s[i] < s[i + 1] || (s[i] == s[i + 1] && t[i + 1]);
        for (i = 1; i < len; i++) if (t[i] && !t[i - 1]) b1[sz++] = i;
        sort(s, sa, len, sz, sigma, t, b, cb, b1);
        for (i = sz = 0; i < len; i++) if (islms(sa[i], t)) sa[sz++] = sa[i];
        for (i = sz; i < len; i++) sa[i] = -1;
        for (i = 0; i < sz; i++) {
            for (x = sa[i], j = 0; j < len; j++) {
                if (p == -1 || s[x + j] != s[p + j] || t[x + j] != t[p + j]) {
                    cnt++, p = x;
                    break;
                } else if (j > 0 && (islms(x + j, t) || islms(p + j, t))) {
                    break;
                }
            }
            sa[sz + (x >>= 1)] = cnt - 1;
        }
        for (i = j = len - 1; i >= sz; i--) if (sa[i] >= 0) sa[j--] = sa[i];
        register int *s1 = sa + len - sz, *b2 = b1 + sz;
        if (cnt < sz) sais(s1, sa, sz, t + len, b, b1 + sz, cnt);
        else for (i = 0; i < sz; i++) sa[s1[i]] = i;
        for (i = 0; i < sz; i++) b2[i] = b1[sa[i]];
        sort(s, sa, len, sz, sigma, t, b, cb, b2);
    }

    template<class T>
    inline void getHeight(T s, const int n) {
        for (register int i = 1; i <= n; i++) rk[sa[i]] = i;
        for (register int i = 0, j = 0, k = 0; i < n; ht[rk[i++]] = k)
            for (k ? k-- : 0, j = sa[rk[i] - 1]; s[i + k] == s[j + k]; k++);
    }

    template<class T>
    inline void init(T s, const int len, const int sigma) {
        sais(s, sa, len, t, rk, ht, sigma), rk[0] = 0;
        getHeight(s, len - 1);
    }
};
    
const int MAXN = 200000;
char s[MAXN];
int len;
SuffixArray<MAXN> sf;

int main() {
#ifndef ONLINE_JUDGE
    freopen("in.in", "r", stdin);
#endif
    len = fread(s, 1, MAXN, stdin), s[--len] = '\0';
    sf.init(s, len + 1, 123);
    for (register int i = 1; i <= len; i++)
        print(sf.sa[i] + 1), *oh++ = ' ';
    *oh++ = '\n';
    for (register int i = 2; i <= len; i++)
        print(sf.ht[i]), *oh++ = ' ';
    flush();
    return 0;
}

CompilationN/AN/ACompile OKScore: N/A

Subtask #1 Testcase #138.32 us60 KBWrong AnswerScore: -100

Subtask #1 Testcase #241.83 us60 KBAcceptedScore: 100

Subtask #1 Testcase #343.05 us60 KBAcceptedScore: 0

Subtask #1 Testcase #439.63 us60 KBAcceptedScore: 0

Subtask #1 Testcase #538.6 us60 KBAcceptedScore: 0

Subtask #1 Testcase #641.27 us60 KBAcceptedScore: 0

Subtask #1 Testcase #77.172 ms2 MB + 952 KBAcceptedScore: 0

Subtask #1 Testcase #88.277 ms3 MB + 308 KBAcceptedScore: 0

Subtask #1 Testcase #98.149 ms3 MB + 36 KBAcceptedScore: 0

Subtask #1 Testcase #105.274 ms1 MB + 1008 KBAcceptedScore: 0

Subtask #1 Testcase #115.185 ms2 MB + 56 KBAcceptedScore: 0

Subtask #1 Testcase #124.835 ms3 MB + 476 KBAcceptedScore: 0

Subtask #1 Testcase #135.045 ms3 MB + 444 KBAcceptedScore: 0

Subtask #1 Testcase #145.044 ms3 MB + 60 KBAcceptedScore: 0

Subtask #1 Testcase #155.131 ms3 MB + 100 KBAcceptedScore: 0

Subtask #1 Testcase #165.309 ms3 MB + 524 KBAcceptedScore: 0

Subtask #1 Testcase #175.329 ms3 MB + 536 KBAcceptedScore: 0

Subtask #1 Testcase #185.194 ms3 MB + 532 KBAcceptedScore: 0


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