Submission #960371

#	Time	Username	Problem	Language	Result	Execution time	Memory
960371		shenfe1	Game (IOI13_game)	C++17	0 / 100	1 ms	348 KiB

game

#include "game.h"
 
#include <bits/stdc++.h>
 
#pragma optimize("Ofast")
#pragma target("avx2")
 
using namespace std;
 
#define ll long long
#define ld long double
#define pb push_back
#define pf push_front
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define F first
#define S second
#define mem(a,i) memset(a,i,sizeof(a))
#define sz(s) (int)s.size()
#define y1 yy
#define ppb pop_back
#define lb lower_bound
#define ub upper_bound
#define gcd(a,b) __gcd(a,b)
#define in insert
// #define int ll
 
const int MAX=22000+15;
const int N=104;
const ll inf=1e9;  
const int mod=1e9+7;
const int mod1=1e9+9;
const ld eps=1e-9;
 
int dx[8]={1,0,-1,0,1,-1,-1,1};
int dy[8]={0,1,0,-1,1,-1,1,-1};

mt19937 rng(21345678);

int binpow(int a,int n){
	if(!n)return 1;
	if(n%2==1)return a*binpow(a,n-1)%mod;
	int k=binpow(a,n/2);
	return k*k%mod;
}
 
 
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;
}

int n,m;

struct DO1{
  vector<ll> t;
  vector<int> lv,rv;

  DO1(){
    t.pb(0);
    lv.pb(0);
    rv.pb(0);
  }

  void update(int v,int tl,int tr,int pos,ll x){
    if(tl==tr){
      t[v]=x;
      return;
    }
    int tm=(tl+tr)/2;
    if(pos<=tm){
      if(!lv[v]){
        lv[v]=sz(t);
        t.pb(0);
        lv.pb(0);
        rv.pb(0);
      }
      update(lv[v],tl,tm,pos,x);
    }
    else{
      if(!rv[v]){
        rv[v]=sz(t);
        t.pb(0);
        lv.pb(0);
        rv.pb(0);
      }
      update(rv[v],tm+1,tr,pos,x);
    }
    t[v]=0;
    if(lv[v])t[v]=gcd(t[v],t[lv[v]]);
    if(rv[v])t[v]=gcd(t[v],t[rv[v]]);
  }

  ll get(int v,int tl,int tr,int l,int r){
    if(l>r||tl>r||l>tr)return 0;
    if(l<=tl&&tr<=r){
      return t[v];
    }
    int tm=(tl+tr)/2;
    ll ans=0;
    if(lv[v])ans=gcd(ans,get(lv[v],tl,tm,l,r));
    if(rv[v])ans=gcd(ans,get(rv[v],tm+1,tr,l,r));
    return ans;
  }
};

struct DO2{

  vector<DO1> t;
  vector<int> lv,rv;

  DO2(){
    t.emplace_back();
    lv.pb(0);
    rv.pb(0);
  }

  void new_node(){
    t.emplace_back();
    lv.pb(0);
    rv.pb(0);    
  }

  void update(int v,int tl,int tr,int posx,int posy,int x){
    if(tl==tr){
      t[v].update(0,0,m,posy,x);
      return;
    }
    int tm=(tl+tr)/2;
    if(posx<=tm){
      if(!lv[v]){
        lv[v]=sz(t);
        new_node();
      }
      update(lv[v],tl,tm,posx,posy,x);
    }
    else{
      if(!rv[v]){
        rv[v]=sz(t);
        new_node();
      }
      update(rv[v],tm+1,tr,posx,posy,x);
    }
    ll ans=0;
    if(lv[v])ans=gcd(ans,t[lv[v]].get(0,0,m,posy,posy));
    if(rv[v])ans=gcd(ans,t[rv[v]].get(0,0,m,posy,posy));
    t[v].update(0,0,m,posy,ans);
  }

  ll get(int v,int tl,int tr,int lx,int rx,int ly,int ry){
    if(lx>rx||lx>tr||tl>rx)return 0;
    if(lx<=tl&&tr<=rx){
      return t[v].get(0,0,m,ly,ry);
    }
    int tm=(tl+tr)/2;
    ll ans=0;
    if(lv[v])ans=gcd(ans,get(lv[v],tl,tm,lx,rx,ly,ry));
    if(rv[v])ans=gcd(ans,get(rv[v],tm+1,tr,lx,rx,ly,ry));
    return ans;
  }
}t;
 
void init(int R, int C) {
  n=R-1;
  m=C-1;
}
 
void update(int P, int Q, long long K) {
  t.update(0,0,n,P,Q,K);
}
 
long long calculate(int P, int Q, int U, int V) {
  int lx=min(P,U);
  int rx=max(P,U);
  int ly=min(Q,V);
  int ry=max(Q,V);
  return t.get(0,0,n,lx,rx,ly,ry);
}

Compilation message (stderr)

game.cpp:5: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    5 | #pragma optimize("Ofast")
      | 
game.cpp:6: warning: ignoring '#pragma target ' [-Wunknown-pragmas]
    6 | #pragma target("avx2")
      |

• Subtask 1: 0 / 10
• Subtask 2: 0 / 27
• Subtask 3: 0 / 26
• Subtask 4: 0 / 17
• Subtask 5: 0 / 20