OJ-Problems-Source/HDOJ/4062_autoAC.cpp

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#include<cstdio>
#include<cstring>
#include<set>
#include<algorithm>
#include<iostream>
using namespace std;
struct point{
int h,l;
friend bool operator <(point p1,point p2){return p1.h<p2.h||(p1.h==p2.h&&p1.l<p2.l);}
};
int h[]={1,1,1,1,1,2,3,4,5,6,7,8,9,9,9,9,9,8,7,6,5,4,3,2};
int l[]={5,7,9,11,13,14,15,16,17,16,15,14,13,11,9,7,5,4,3,2,1,2,3,4};
int hMove[]={0,-1,-1,0,1,1},lMove[]={-2,-1,1,2,1,-1};
int cas,bnum,wnum;char map[19][19];set<point> s,whs;bool hasmove;
int judge(char ch1,char ch2){
int i,j,cnt1,cnt2;
for(i=0;i<24;i++){
if(map[h[i]][l[i]]==ch1){
for(j=0;j<6;j++){
cnt1=1;cnt2=0;
if(map[h[i]+hMove[j]][l[i]+lMove[j]]==0||map[h[i]+hMove[j]][l[i]+lMove[j]]=='.')
continue;
while(map[h[i]+cnt1*hMove[j]][l[i]+cnt1*lMove[j]]==ch1)
cnt1++;
if(cnt1>=3) continue;
while(map[h[i]+(cnt1+cnt2)*hMove[j]][l[i]+(cnt1+cnt2)*lMove[j]]==ch2)
cnt2++;
if(cnt2>cnt1){
if(map[h[i]-hMove[j]][l[i]-lMove[j]]==0){
if(ch1=='B'&&bnum-cnt1<9) return 2;
if(ch1=='W'&&wnum-cnt1<9) return 0;
}
}
}
}
}
return 1;
}
int wmove1(int h,int l){
int j,flag;bool idx;
for(j=0;j<6;j++){
idx=false;
if(map[h+hMove[j]][l+lMove[j]]=='.'){
swap(map[h][l],map[h+hMove[j]][l+lMove[j]]);
idx=true;hasmove=true;
}
if(idx){
flag=judge('W','B');
swap(map[h][l],map[h+hMove[j]][l+lMove[j]]);
if(flag==1) return flag;
}
}
return 0;
}
int wmove2(int h1,int l1,int h2,int l2){
int j,flag;int idx;
for(j=0;j<6;j++){
idx=0;
if(map[h1+hMove[j]][l1+lMove[j]]=='.'&&map[h2+hMove[j]][l2+lMove[j]]=='.'){
swap(map[h1][l1],map[h1+hMove[j]][l1+lMove[j]]);
swap(map[h2][l2],map[h2+hMove[j]][l2+lMove[j]]);
idx=1;
}
if(h2-h1==hMove[j]&&l2-l1==lMove[j]){
if(map[h2+hMove[j]][l2+lMove[j]]=='.'){
swap(map[h1][l1],map[h2+hMove[j]][l2+lMove[j]]);
idx=2;
}
if(map[h2+hMove[j]][l2+lMove[j]]=='B'&&map[h2+2*hMove[j]][l2+2*lMove[j]]=='.'){
swap(map[h2+hMove[j]][l2+lMove[j]],map[h2+2*hMove[j]][l2+2*lMove[j]]);
swap(map[h1][l1],map[h2+hMove[j]][l2+lMove[j]]);
idx=3;
}
if(map[h2+hMove[j]][l2+lMove[j]]=='B'&&map[h2+2*hMove[j]][l2+2*lMove[j]]==0){
map[h2+hMove[j]][l2+lMove[j]]='W';
map[h1][l1]='.';
idx=4;
}
}
if(idx) hasmove=true;
if(idx==1){
flag=judge('W','B');
swap(map[h1][l1],map[h1+hMove[j]][l1+lMove[j]]);
swap(map[h2][l2],map[h2+hMove[j]][l2+lMove[j]]);
if(flag==1) return flag;
}
if(idx==2){
flag=judge('W','B');
swap(map[h1][l1],map[h2+hMove[j]][l2+lMove[j]]);
if(flag==1) return flag;
}
if(idx==3){
flag=judge('W','B');
swap(map[h1][l1],map[h2+hMove[j]][l2+lMove[j]]);
swap(map[h2+hMove[j]][l2+lMove[j]],map[h2+2*hMove[j]][l2+2*lMove[j]]);
if(flag==1) return flag;
}
if(idx==4){
flag=judge('W','B');
map[h2+hMove[j]][l2+lMove[j]]='B';
map[h1][l1]='W';
if(flag==1) return flag;
}
}
return 0;
}
int wmove3(int h1,int l1,int h2,int l2,int h3,int l3)
{
int j,flag;int idx;
for(j=0;j<6;j++){
idx=0;
if(map[h1+hMove[j]][l1+lMove[j]]=='.'&&map[h2+hMove[j]][l2+lMove[j]]=='.'
&&map[h3+hMove[j]][l3+lMove[j]]=='.'){
swap(map[h1][l1],map[h1+hMove[j]][l1+lMove[j]]);
swap(map[h2][l2],map[h2+hMove[j]][l2+lMove[j]]);
swap(map[h3][l3],map[h3+hMove[j]][l3+lMove[j]]);
idx=1;
}
if(h2-h1==hMove[j]&&l2-l1==lMove[j]){
if(map[h3+hMove[j]][l3+lMove[j]]=='.'){
swap(map[h1][l1],map[h3+hMove[j]][l3+lMove[j]]);
idx=2;
}
if(map[h3+hMove[j]][l3+lMove[j]]=='B'&&map[h3+2*hMove[j]][l3+2*lMove[j]]=='.'){
swap(map[h3+hMove[j]][l3+lMove[j]],map[h3+2*hMove[j]][l3+2*lMove[j]]);
swap(map[h1][l1],map[h3+hMove[j]][l3+lMove[j]]);
idx=3;
}
if(map[h3+hMove[j]][l3+lMove[j]]=='B'&&map[h3+2*hMove[j]][l3+2*lMove[j]]==0){
map[h1][l1]='.';
map[h3+hMove[j]][l3+lMove[j]]='W';
idx=4;
}
if(map[h3+hMove[j]][l3+lMove[j]]=='B'&&map[h3+2*hMove[j]][l3+2*lMove[j]]=='B'
&&map[h3+3*hMove[j]][l3+3*lMove[j]]=='.'){
swap(map[h3+hMove[j]][l3+lMove[j]],map[h3+3*hMove[j]][l3+3*lMove[j]]);
swap(map[h1][l1],map[h3+hMove[j]][l3+lMove[j]]);
idx=5;
}
if(map[h3+hMove[j]][l3+lMove[j]]=='B'&&map[h3+2*hMove[j]][l3+2*lMove[j]]=='B'
&&map[h3+3*hMove[j]][l3+3*lMove[j]]==0){
map[h1][l1]='.';
map[h2][l2]='.';
map[h3+hMove[j]][l3+lMove[j]]='W';
map[h3+2*hMove[j]][l3+2*lMove[j]]='W';
idx=6;
}
}
if(idx) hasmove=true;
if(idx==1){
flag=judge('W','B');
swap(map[h1][l1],map[h1+hMove[j]][l1+lMove[j]]);
swap(map[h2][l2],map[h2+hMove[j]][l2+lMove[j]]);
swap(map[h3][l3],map[h3+hMove[j]][l3+lMove[j]]);
if(flag==1) return flag;
}
if(idx==2){
flag=judge('W','B');
swap(map[h1][l1],map[h3+hMove[j]][l3+lMove[j]]);
if(flag==1) return flag;
}
if(idx==3){
flag=judge('W','B');
swap(map[h1][l1],map[h3+hMove[j]][l3+lMove[j]]);
swap(map[h3+hMove[j]][l3+lMove[j]],map[h3+2*hMove[j]][l3+2*lMove[j]]);
if(flag==1) return flag;
}
if(idx==4){
flag=judge('W','B');
map[h3+hMove[j]][l3+lMove[j]]='B';
map[h1][l1]='W';
if(flag==1) return flag;
}
if(idx==5){
flag=judge('W','B');
swap(map[h1][l1],map[h3+hMove[j]][l3+lMove[j]]);
swap(map[h3+hMove[j]][l3+lMove[j]],map[h3+3*hMove[j]][l3+3*lMove[j]]);
if(flag==1) return flag;
}
if(idx==6){
flag=judge('W','B');
map[h1][l1]='W';
map[h2][l2]='W';
map[h3+hMove[j]][l3+lMove[j]]='B';
map[h3+2*hMove[j]][l3+2*lMove[j]]='B';
if(flag==1) return flag;
}
}
return 0;
}
void mycin(){
int i;
for(i=5;i<=13;i+=2) cin>>map[1][i];
for(i=4;i<=14;i+=2) cin>>map[2][i];
for(i=3;i<=15;i+=2) cin>>map[3][i];
for(i=2;i<=16;i+=2) cin>>map[4][i];
for(i=1;i<=17;i+=2) cin>>map[5][i];
for(i=2;i<=16;i+=2) cin>>map[6][i];
for(i=3;i<=15;i+=2) cin>>map[7][i];
for(i=4;i<=14;i+=2) cin>>map[8][i];
for(i=5;i<=13;i+=2) cin>>map[9][i];
}
int main()
{
int i,j,k=1,flag;point p;
set<point>::iterator iter;
scanf("%d",&cas);
while(cas--){
s.clear();whs.clear();hasmove=false;
memset(map,0,sizeof(map));
mycin();
for(i=1,wnum=bnum=0;i<=9;i++){
for(j=1;j<=17;j++){
if(map[i][j]=='W'){wnum++;p.h=i;p.l=j;whs.insert(p);}
if(map[i][j]=='B') bnum++;
}
}
flag=judge('B','W');
for(iter=whs.begin();iter!=whs.end()&&flag!=2;iter++){
int h1=iter->h,l1=iter->l;
flag=wmove1(h1,l1);
if(flag==1) break;
}
for(iter=whs.begin();iter!=whs.end()&&flag!=1&&flag!=2;iter++){
for(j=0;j<6&&flag!=1;j++){
if(map[iter->h+hMove[j]][iter->l+lMove[j]]=='W'){
int h1=iter->h,l1=iter->l,h2=h1+hMove[j],l2=l1+lMove[j];
flag=wmove2(h1,l1,h2,l2);
if(flag==1) break;
}
}
}
for(iter=whs.begin();iter!=whs.end()&&flag!=1&&flag!=2;iter++){
for(j=0;j<6&&flag!=1;j++){
if(map[iter->h+hMove[j]][iter->l+lMove[j]]=='W'&&map[iter->h+2*hMove[j]][iter->l+2*lMove[j]]=='W'){
int h1=iter->h,l1=iter->l,h2=h1+hMove[j],l2=l1+lMove[j],h3=h1+2*hMove[j],l3=l1+2*lMove[j];
flag=wmove3(h1,l1,h2,l2,h3,l3);
if(flag==1) break;
}
}
}
if(hasmove==false&&flag!=2)
flag=judge('W','B');
printf("Case %d: ",k++);
if(flag==0) printf("Black\n");
if(flag==1) printf("Draw\n");
if(flag==2) printf("White\n");
}
return 0;
}