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10051.cpp
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171 lines (155 loc) · 4.41 KB
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/****** BISMILLAHIR RAHMANIR RAHIM ********\
/*********************************************************************\
# |--\ /--| | | | ----- /-------------\ #
# | \ / | | | | / | | #
# | \ / | | | | / | | #
# | | | | |/ | | #
# | | | | |\ | | #
# | | | | | \ | | #
# | | \ / | \ | | #
# --- --- \______ / | ----- ----- #
# #
# #
# #
# codeforces = Mukit09 #
# topcoder = Mukit09 #
# codechef = mukit_mkbs #
# uva = mkbs_cse09 #
# spoj = mkbs_cse09 #
# CSE, CUET #
# facebook : https://www.facebook.com/hesitated.mkbs?ref=tn_tnmn #
# #
# #
\*********************************************************************/
#include<stdio.h>
#include<iostream>
#include<math.h>
#include<string.h>
#include<string>
#include<stdlib.h>
#include<map>
#include<vector>
#include<queue>
#include<stack>
#include<algorithm>
#include<set>
using namespace std;
// Define Some Variables
#define eps 1e-14
#define si 510
#define pi acos(-1.0)
#define inf (1<<30)-1
#define mod 1000000000 //10^9
//Define Some Functions
#define even(a) ((a)%2==0)
#define odd(a) ((a)%2==1)
#define max(a,b) (a>b ?a:b)
#define min(a,b) (a<b ?a:b)
#define pb push_back
#define mpair make_pair
#define sqr(a)((a)*(a))
#define area(x1,y1,x2,y2,x3,y3) (x1*(y2-y3)+x2*(y3-y1)+x3*(y1-y2)) //Area of a triangle
#define dist(x1,y1,x2,y2) (sqr(x1-x2)+sqr(y1-y2)) //Distance between two points
#define mem(a,v) memset(a,v,sizeof(a))
inline bool compare( double a, double b ) { return fabs( a-b ) < eps ; }
#define fr(i,a,b) for(i=a;i<=b;i++)
#define rep(i,a,b) for(i=a;i<b;i++)
#define rev(i,a,b) for(i=a;i>=b;i--)
typedef long long i64;
int dx[]={0,0,1,-1};
int dy[]={1,-1,0,0};
int i,j,l,n,cs=1,cnt,sm,fg,dp[si][110],a[si][8],sv[si][110];
char ch[7][10];
int rec(int ind,int v)
{
if(ind<1)
return 0;
int &ret=dp[ind][v];
if(ret!=-1)
return ret;
ret=0;
int i,tmp;
for(i=1;i<=6;i++)
{
if(v==a[ind][i])
{
if(i%2)
tmp=1+rec(ind-1,a[ind][i+1]);
else
tmp=1+rec(ind-1,a[ind][i-1]);
if(tmp>ret)
{
ret=tmp;
sv[ind][v]=i;
}
}
}
tmp=rec(ind-1,v);
if(tmp>ret)
{
ret=tmp;
sv[ind][v]=-1;
}
return ret;
}
void prnt(int ind,int v,int mx)
{
if(!mx)
return;
if(sv[ind][v]<1)
prnt(ind-1,v,mx);
else if(sv[ind][v]%2)
{
prnt(ind-1,a[ind][sv[ind][v]+1],mx-1);
printf("%d %s\n",ind,ch[sv[ind][v]+1]);
}
else
{
prnt(ind-1,a[ind][sv[ind][v]-1],mx-1);
printf("%d %s\n",ind,ch[sv[ind][v]-1]);
}
}
int main()
{
// freopen("in.txt", "r", stdin);
// freopen("out.txt", "w", stdout);
strcpy(ch[1],"front");
strcpy(ch[2],"back");
strcpy(ch[3],"left");
strcpy(ch[4],"right");
strcpy(ch[5],"top");
strcpy(ch[6],"bottom");
fg=1;
while(scanf("%d",&n)==1&&n)
{
if(!fg)
puts("");
fg=0;
fr(i,1,n)
{
fr(j,1,6)
scanf("%d",&a[i][j]);
}
mem(dp,-1);
int mx=0,ind,v,tmp;
rev(i,n,1)
{
fr(j,1,6)
{
tmp=1+rec(i-1,a[i][j]);
if(tmp>mx)
{
mx=tmp;
ind=i;
v=a[i][j];
sv[ind][v]=j;
}
}
}
printf("Case #%d\n",cs++);
printf("%d\n",mx);
prnt(ind-1,v,mx-1);
printf("%d %s\n",ind,ch[sv[ind][v]]);
}
return 0;
}