OJ-Problems-Source/HDOJ/4351_autoAC.cpp

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#include <stdio.h>
#include <string.h>
#include <algorithm>
using namespace std;
typedef struct
{
int l,r,sum;
int lsum,rsum,midsum;
}Tree;
Tree tree[500005];
int a[100005];
int c[2000][2000];
int ans,rans;
int Count(int t)
{
if (t==0) return 0;
int s=0;
while(t)
{
s+=t%10;
t/=10;
}
s%=9;
if (s==0) return 9;
return s;
}
int Pre()
{
int i,j,x,y;
for (i=0;i<1024;i++)
{
for (j=i;j<1024;j++)
{
c[i][j]=0;
for (x=0;x<10;x++)
{
if ((i & (1<<x))==0) continue;
for (y=0;y<10;y++)
{
if ((j & (1<<y))==0) continue;
c[i][j]=(c[i][j]|(1<<Count(x+y)));
}
}
c[j][i]=c[i][j];
}
}
}
void Build(int t,int l,int r)
{
tree[t].l=l;
tree[t].r=r;
if (l==r)
{
tree[t].sum=a[l];
tree[t].lsum=(1<<a[l]);
tree[t].rsum=(1<<a[l]);
tree[t].midsum=(1<<a[l]);
return;
}
int mid=(l+r)/2;
Build(2*t+1,l,mid);
Build(2*t+2,mid+1,r);
tree[t].sum=Count(tree[2*t+1].sum+tree[2*t+2].sum);
tree[t].lsum=(tree[2*t+1].lsum | c[1<<tree[2*t+1].sum][tree[2*t+2].lsum]);
tree[t].rsum=(tree[2*t+2].rsum | c[tree[2*t+1].rsum][1<<tree[2*t+2].sum]);
tree[t].midsum=(tree[2*t+1].midsum | tree[2*t+2].midsum | c[tree[2*t+1].rsum][tree[2*t+2].lsum]);
}
void Query(int t,int x,int y)
{
int l,r;
l=tree[t].l;
r=tree[t].r;
if (l==x && r==y)
{
ans=(ans | tree[t].midsum | c[rans][tree[t].lsum]);
rans=(c[rans][1<<tree[t].sum] | tree[t].rsum);
return;
}
int mid=(l+r)/2;
if (mid>=x) Query(2*t+1,x,min(y,mid));
if (mid<y) Query(2*t+2,max(x,mid+1),y);
}
int main()
{
int T,i,j,n,x,y,m,s,cnt=1;
Pre();
scanf("%d",&T);
while(T--)
{
scanf("%d",&n);
for (i=0;i<n;i++)
{
scanf("%d",&a[i]);
a[i]=Count(a[i]);
}
Build(0,0,n-1);
scanf("%d",&m);
printf("Case #%d:\n",cnt++);
while(m--)
{
scanf("%d%d",&x,&y);
ans=rans=0;
Query(0,x-1,y-1);
s=0;
for (i=9;i>=0;i--)
{
if (ans>=(1<<i))
{
ans-=(1<<i);
if (s==0) printf("%d",i);
else printf(" %d",i);
s++;
if (s==5) break;
}
}
for (i=s;i<5;i++)
{
printf(" -1");
}
printf("\n");
}
if (T>0) printf("\n");
}
return 0;
}