제출 #753121

#제출 시각아이디문제언어결과실행 시간메모리
753121jamielim게임 (IOI13_game)C++14
0 / 100
2 ms468 KiB
#include "game.h" #include <bits/stdc++.h> using namespace std; #define fi first #define se second #define mp make_pair #define pb emplace_back #define ALL(x) x.begin(),x.end() #define SZ(x) (int)x.size() typedef long long ll; typedef pair<int,int> ii; typedef pair<ii,ii> i4; typedef vector<int> vi; const int MOD=1000000007; const int INF=1012345678; const ll LLINF=1012345678012345678LL; const double PI=3.1415926536; const double EPS=1e-14; long long gcd2(long long X, long long Y) { long long tmp; while (X != Y && Y != 0) { tmp = X; X = Y; Y = tmp % Y; } return X; } struct node{ int s,e,m; ll v; node *l,*r; node(int S,int E){ s=S;e=E;m=(s+e)/2; v=0;l=r=NULL; } node(node *n){ s=n->s;e=n->e;m=n->m;v=n->v;l=n->l;r=n->r; } node(int x,node *n){ int b=(n->e-n->s+1); if(n->s>x){ e=n->e; while(e+1-b>x)b<<=1; s=e+1-b; l=new node(x,x);r=n; v=r->v; }else{ s=n->s; while(s+b-1<x)b<<=1; e=s+b-1; l=n;r=new node(x,x); v=l->v; } m=(s+e)/2; } void upd(int x,ll val){ if(s==e){v=val;return;} if(x<=m){ if(l==NULL)l=new node(x,x); else if(l->s>x||x>l->e)l=new node(x,l); l->upd(x,val); }else{ if(r==NULL)r=new node(x,x); else if(r->s>x||x>r->e)r=new node(x,r); r->upd(x,val); } v=gcd2((l?l->v:0),(r?r->v:0)); } ll qry(int x1,int x2){ if(s>=x1&&e<=x2)return v; if(x2<=m)return (l?l->qry(x1,x2):0); if(x1>m)return (r?r->qry(x1,x2):0); return gcd2((l?l->qry(x1,x2):0),(r?r->qry(x1,x2):0)); } }; struct node2d{ int s,e,m; node *n; node2d *l,*r; node2d(int S,int E){ s=S;e=E;m=(s+e)/2; n=new node(0,(1<<30)-1);l=r=NULL; } void upd(int x,int y,ll val){ if(s==e){ n->upd(y,val); return; } if(x<=m){ if(l==NULL)l=new node2d(s,m); l->upd(x,y,val); }else{ if(r==NULL)r=new node2d(m+1,e); r->upd(x,y,val); } int nv=gcd2((l?l->n->qry(y,y):0),(r?r->n->qry(y,y):0)); n->upd(y,nv); } ll qry(int x1,int y1,int x2,int y2){ if(s>=x1&&e<=x2)return (n?n->qry(y1,y2):0); if(x2<=m)return (l?l->qry(x1,y1,x2,y2):0); if(x1>m)return (r?r->qry(x1,y1,x2,y2):0); return gcd2((l?l->qry(x1,y1,x2,y2):0),(r?r->qry(x1,y1,x2,y2):0)); } }*root=new node2d(0,(1<<30)-1); void init(int R, int C) {} void update(int P, int Q, long long K) { root->upd(P,Q,K); } long long calculate(int P, int Q, int U, int V) { return root->qry(P,Q,U,V); }
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