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| #include<iostream> #include<bits/stdc++.h> using namespace std;
struct point{ int x,y; };
int split(point bl,int n,point blank){ int dir=0; if(blank.x<bl.y+n/2){ if(blank.y<bl.y+n/2){ dir=1; }else{ dir=2; } }else{ if(blank.y<bl.y+n/2){ dir=3; }else{ dir=4; } } switch(dir){ case 1: cout<<bl.x+n/2<<" "<<bl.y+n/2<<" "<<1<<endl; if(n>2){ split({bl.x,bl.y},n/2,blank); split({bl.x,bl.y+n/2},n/2,{bl.x+n/2-1,bl.y+n/2}); split({bl.x+n/2,bl.y},n/2,{bl.x+n/2,bl.y+n/2}); split({bl.x+n/2,bl.y+n/2},n/2,{bl.x+n/2,bl.y+n/2}); } break; case 2: cout<<bl.x+n/2<<" "<<bl.y+n/2-1<<" "<<2<<endl; if(n>2){ split({bl.x,bl.y},n/2,{bl.x+n/2-1,bl.y+n/2-1}); split({bl.x,bl.y+n/2},n/2,blank); split({bl.x+n/2,bl.y},n/2,{bl.x+n/2,bl.y+n/2-1}); split({bl.x+n/2,bl.y+n/2},n/2,{bl.x+n/2,bl.y+n/2}); } break; case 3: cout<<bl.x+n/2-1<<" "<<bl.y+n/2<<" "<<3<<endl; if(n>2){ split({bl.x,bl.y},n/2,{bl.x+n/2,bl.y+n/2-1}); split({bl.x,bl.y},n/2,{bl.x+n/2-1,bl.y+n/2}); split({bl.x+n/2,bl.y+n/2},n/2,blank); split({bl.x+n/2,bl.y+n/2},n/2,{bl.x+n/2,bl.y+n/2}); } break; case 4: cout<<bl.x+n/2-1<<" "<<bl.y+n/2-1<<" "<<4<<endl; if(n>2){ split({bl.x,bl.y},n/2,{bl.x+n/2-1,bl.y+n/2-1}); split({bl.x,bl.y+n/2},n/2,{bl.x+n/2-1,bl.y+n/2}); split({bl.x,bl.y+n/2-1},n/2,{bl.x+n/2,bl.y+n/2-1}); split({bl.x+n/2,bl.y+n/1},n/2,blank); } break; } }
int main() { int k,x,y; cin>>k; cin>>x>>y; int n=1; n=n<<k; split({1,1},n,{x,y}); return 0; }
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