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Re:求助。。。郁闷了。。弄了半天也不知道哪里错了。。In Reply To:求助。。。郁闷了。。弄了半天也不知道哪里错了。。 Posted by:123369ab at 2011-09-23 10:08:10 > #include <stdio.h> > #include <stdlib.h> > #include <string.h> > #include <algorithm> > using namespace std; > #define M 2000020 > struct node > { > int id; > int dig; > }d[M]; > int cmp1(node a,node b) > { > if(a.dig!=b.dig) > return a.dig<b.dig; > return a.id<b.id; > } > int wa[M],wb[M],wv[M],ws[M]; > int cmp(int *r,int a,int b,int l) > { > return r[a]==r[b]&&r[a+l]==r[b+l]; > } > void da(int *r,int *sa,int n,int m) > { > int i,j,p,*x=wa,*y=wb,*t; > for(i=0;i<m;i++) ws[i]=0; > for(i=0;i<n;i++) ws[x[i]=r[i]]++; > for(i=1;i<m;i++) ws[i]+=ws[i-1]; > for(i=n-1;i>=0;i--) sa[--ws[x[i]]]=i; > for(j=1,p=1;p<n;j*=2,m=p) > { > for(p=0,i=n-j;i<n;i++) y[p++]=i; > for(i=0;i<n;i++) if(sa[i]>=j) y[p++]=sa[i]-j; > for(i=0;i<n;i++) wv[i]=x[y[i]]; > for(i=0;i<m;i++) ws[i]=0; > for(i=0;i<n;i++) ws[wv[i]]++; > for(i=1;i<m;i++) ws[i]+=ws[i-1]; > for(i=n-1;i>=0;i--) sa[--ws[wv[i]]]=y[i]; > for(t=x,x=y,y=t,p=1,x[sa[0]]=0,i=1;i<n;i++) > x[sa[i]]=cmp(y,sa[i],sa[i-1],j)?p-1:p++; > } > } > int r[M],sa[M]; > int main() > { > int n,i,j; > scanf("%d",&n); > for(i=n-1;i>=0;i--) > { > scanf("%d",&d[i].dig); > d[i].id=i; > } > // for(i=0;i<n;i++) > // printf("%d %d\n",d[i].dig,d[i].id); > // printf("\n"); > sort(d,d+n,cmp1); > // for(i=0;i<n;i++) > // printf("%d ",d[i].dig); > // printf("\n"); > int num=1; > for(i=0;i<n;i++) > { > if(i&&d[i].dig==d[i-1].dig) > { > r[d[i].id]=r[d[i-1].id]; > continue; > } > r[d[i].id]=i+1; > } > r[n]=0; > // for(i=0;i<n;i++) > // printf("%d ",r[i]); > // printf("\n"); > da(r,sa,n+1,n+10); > for(i=1;i<=n&&sa[i]<=1;i++); > int tmp=sa[i]; > for(j=tmp;j<n;j++) > printf("%d\n",d[r[j]-1].dig); > r[tmp]=0; > da(r,sa,tmp+1,n+10); > for(i=1;i<tmp&&!sa[i];i++); > int k=sa[i]; > for(j=k;j<tmp;j++) > printf("%d\n",d[r[j]-1].dig); > for(i=0;i<k;i++) > printf("%d\n",d[r[i]-1].dig); > return 0; > } Followed by: Post your reply here: |
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