Lang:G++
Edit12345678910111213141516171819202122232425262728293031#include<cstdio>#include<cstring>#include<iostream>#define M 100003using namespace std;char s1[M],s2[M];int l1,l2,len,id[M<<1],sa[M<<1],ranks[M<<1],tmp[M<<1],w[M<<1],height[M<<1],cnt[M<<1];void SA(int len,int up){int *rk=ranks,*t=tmp,d=1,p=0;for (int i=0;i<len;++i) ++cnt[rk[i]=w[i]];for (int i=1;i<up;++i) cnt[i]+=cnt[i-1];for (int i=len-1;i>=0;--i) sa[--cnt[w[i]]]=i;for (;;){for (int i=len-d;i<len;++i) id[p++]=i;for (int i=0;i<len;++i)if (sa[i]-d>=0) id[p++]=sa[i]-d;for (int i=0;i<up;++i) cnt[i]=0;for (int i=0;i<len;++i) ++cnt[t[i]=rk[id[i]]];for (int i=1;i<up;++i) cnt[i]+=cnt[i-1];for (int i=len-1;i>=0;--i) sa[--cnt[t[i]]]=id[i];swap(rk,t);p=1;rk[sa[0]]=0;for (int i=0;i<len-1;++i)if (sa[i]+d<len&&sa[i+1]+d<len&&t[sa[i]]==t[sa[i+1]]&&t[sa[i]+d]==t[sa[i+1]+d])rk[sa[i+1]]=p-1;elserk[sa[i+1]]=p++;if (p==len) break;