这题卡指针?
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这题卡指针?
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Ame__楼主2021/1/27 17:01

RTRT,写的SAMSAM,干了半天永远最后一个点MLEMLE,是我写假了还是这玩意就是针对指针= =

// Author: Ame__
#include<bits/stdc++.h>
#define _ 0
#define qwq double
#define AME__DEBUG
#define LL long long
#define bomb exit(0)
#define LOG(FMT...) fprintf(stderr , FMT)
#define TOWA(FMT...) fprintf(stdout , FMT)
using namespace std;
/*Grievous Lady*/
    
template <typename _n_> void mian(_n_ & _x_){
    char buf_s; while(buf_s != '-' && !isdigit(buf_s)) buf_s = getchar();
    bool register _nega_ = false; if(buf_s == '-'){ _nega_ = true; buf_s = getchar(); }
    _x_ = 0; while(isdigit(buf_s)){  _x_ = _x_ * 10 + buf_s - '0'; buf_s = getchar(); } if(_nega_) _x_ = -_x_;
}
    
const int kato = 1e6 + 10;

const int atri = 2e6;

template <typename _n_> bool cmax(_n_ &a , const _n_ &b){ return a < b ? a = b , 1 : 0; }
    
template <typename _n_> bool cmin(_n_ &a , const _n_ &b){ return a > b ? a = b , 1 : 0; }

int n , c[atri];

char s[200][kato] , t[kato];

namespace towa{
    struct SuffixAutoMaton{
        protected:
            struct node{
                static const size_t CHARSET_SIZE = 27;
                node *ch[CHARSET_SIZE] , *nxt;
                int len , size;
                node(node *nxt = 0x0 , int len = 0 , int size = 0): nxt(nxt) , len(len) , size(size){
                    memset(ch , 0x0 , sizeof ch);
                }
            }*root , *ls , *tail , *id[atri] , _pool[atri];

            inline void extend(int c){
                node *u = new(tail ++) node(0x0 , ls -> len + 1 , 1) , *v = ls;
                for(; v && !v -> ch[c] ; v = v -> nxt) v -> ch[c] = u;
                if(!v) u -> nxt = root;
                else if(v -> ch[c] -> len == v -> len + 1) u -> nxt = v -> ch[c];
                else{
                    node *n = new(tail ++) node(0x0 , v -> len + 1) , *o = v -> ch[c];
                    copy(o -> ch , o -> ch + node::CHARSET_SIZE , n -> ch);
                    n -> nxt = o -> nxt , o -> nxt = u -> nxt = n;
                    for(; v && v -> ch[c] == o ; v = v -> nxt) v -> ch[c] = n;
                }
                ls = u;
            }

            void clear(){ tail = _pool; root = ls = new(tail ++) node(); }
        public:
            SuffixAutoMaton(){ clear(); }

            inline void insert(char *s){ for(char *p = s ; *p ; p ++) extend(*p - 'a'); }

            inline void get_size(){
                int maxlen = 0;
                for(node *o = _pool ; o != tail ; o ++) c[o -> len] ++ , maxlen = max(maxlen , o -> len);
                for(int i = 1;i <= maxlen;i ++) c[i] = c[i] + c[i - 1];
                for(node *o = _pool ; o != tail ; o ++) id[--c[o -> len]] = o;
                for(int i = tail - _pool - 1 ; i ; i --){
                    node *o = id[i];
                    if(o -> nxt) o -> nxt -> size += o -> size;
                }
            }

            inline int get_ans(char *s){
                node *o = root;
                for(char *p = s ; *p ; p ++) o = o -> ch[*p - 'a'];
                return o -> size;
            }
    }yuni;
}

inline int Ame_(){
#ifdef AME__
    freopen(".in" , "r" , stdin); freopen(".out" , "w" , stdout); int nol_cl = clock();
#endif
    mian(n); char *q = t;
    for(int i = 0;i < n;i ++){
        scanf("%s" , s[i]);
        for(char *p = s[i] ; *p ; p ++) *q ++ = *p;
        *q ++ = 'z' + 1;
    }
    towa::yuni.insert(t); towa::yuni.get_size();
    for(int i = 0;i < n;i ++) TOWA("%d\n" , towa::yuni.get_ans(s[i]));
#ifdef AME__TIME
    LOG("Time: %dms\n", int((clock() - nol_cl) / (qwq)CLOCKS_PER_SEC * 1000));
#endif
    return ~~(0^_^0); /*さようならプログラム*/
}
    
int Ame__ = Ame_();
    
int main(){;}
2021/1/27 17:01
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