96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
#include <iostream>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <vector>
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#include <map>
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#include <queue>
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#define maxn 300000
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#define MOD 2012
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using namespace std;
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int wa[maxn],wb[maxn],wv[maxn];
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int ran[maxn],height[maxn],wS[maxn],sa[maxn],P[maxn],Pow[maxn],V[maxn],
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T[maxn],Len[maxn],S[maxn],arrive[maxn],n,len,value;
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char s[maxn];
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int cmp(int *r,int a,int b,int l) {return r[a]==r[b]&&r[a+l]==r[b+l];}
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void da(int *r,int *sa,int n,int m)
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{
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int i,j,p,*x=wa,*y=wb,*t;
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for(i=0;i<m;i++) wS[i]=0;
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for(i=0;i<n;i++) wS[x[i]=r[i]]++;
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for(i=1;i<m;i++) wS[i]+=wS[i-1];
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for(i=n-1;i>=0;i--) sa[--wS[x[i]]]=i;
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for(j=1,p=1;p<n;j*=2,m=p)
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{
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for(p=0,i=n-j;i<n;i++) y[p++]=i;
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for(i=0;i<n;i++) if(sa[i]>=j) y[p++]=sa[i]-j;
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for(i=0;i<n;i++) wv[i]=x[y[i]];
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for(i=0;i<m;i++) wS[i]=0;
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for(i=0;i<n;i++) wS[wv[i]]++;
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for(i=1;i<m;i++) wS[i]+=wS[i-1];
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for(i=n-1;i>=0;i--) sa[--wS[wv[i]]]=y[i];
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for(t=x,x=y,y=t,p=1,x[sa[0]]=0,i=1;i<n;i++)
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x[sa[i]]=cmp(y,sa[i-1],sa[i],j)?p-1:p++;
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}
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return;
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}
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void calheight(int *r,int *sa,int n)
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{
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int i,j,k=0;
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for(i=0;i<n;i++) ran[sa[i]]=i;
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for(i=0;i<n;height[ran[i++]]=k)
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if(ran[i])for(k?k--:0,j=sa[ran[i]-1];r[i+k]==r[j+k];k++);
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return;
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}
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int get(int l,int r)
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{
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if(l>r) return 0;
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int ans=(T[r+1]-T[l])%MOD;
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ans-=V[l]*(Pow[r-l+1]);
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ans%=MOD;
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if (ans<0) ans+=MOD;
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return ans;
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}
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int main()
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{
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Pow[0]=1;Pow[1]=10;
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for (int i=2;i<200000;++i)
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Pow[i]=(Pow[i-1]+1)*10%MOD;
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while (scanf("%d",&n)!=EOF)
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{
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len = 0; value = 0;
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for (int i=0;i < n ;++i){
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scanf("%s",s);
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Len[i]= strlen(s);
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for (int j = 0 ; j < Len[i]; ++j){
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S[len]=s[j]-'0'+1;
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value = (value*10+S[len]-1)%MOD;
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V[len+1]=value;
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T[len+1]=(T[len]+value)%MOD;
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P[len]=i;
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len++;
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}
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S[len]=11;
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value = (value*10+10)%MOD;
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V[len+1]=value;
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T[len+1]=(T[len]+value)%MOD;
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P[len]=i;
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len++;
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arrive[i]=len-2;
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}
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S[len-1]=0;
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da(S,sa,len,12);
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calheight(S,sa,len);
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int ans = 0;
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for (int i = 0;i < len;++i)
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if (S[i]%10 !=1){
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if (i+height[ran[i]]<= arrive[P[i]]){
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ans+=get(i,arrive[P[i]])-get(i,i+height[ran[i]]-1);
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ans%=MOD;if (ans<0) ans+=MOD;
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}
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}
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cout << ans << endl;
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}
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return 0;
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}
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