Submission #258810

#	Time	Username	Problem	Language	Result	Execution time	Memory
258810		davi_bart	Game (IOI13_game)	C++17	0 / 100	4 ms	640 KiB

game

#include <bits/stdc++.h>
#include "game.h"
using namespace std;
#define ll long long
const ll dim=1<<30;
class segment{
  public:
  struct node{
    ll val;
    int left,right;
    node(){
      val=0;
      left=right=-1;
    }
  };
  vector<node> s=vector<node>(1);
  node def;
  ll x,y;
  void upd(int pos,int l,int r,int p,ll v){
    if(l>p || r<p)return ;
    if(l==r){
        s[pos].val=v;
        return ;
    }
    x=0,y=0;
    if(p<=(l+r)/2){
      if(s[pos].left==-1){
        s[pos].left=s.size();
        s.push_back(def);
      }
      if(s[pos].right!=-1)y=s[s[pos].right].val;
      upd(s[pos].left,l,(l+r)/2,p,v);
      x=s[s[pos].left].val;
    }else{
      if(s[pos].right==-1){
        s[pos].right=s.size();
        s.push_back(def);
      }
      if(s[pos].left!=-1)x=s[s[pos].left].val;
      upd(s[pos].right,(l+r)/2+1,r,p,v);
      y=s[s[pos].right].val;
    }
    s[pos].val=__gcd(x,y);
  }
  ll sx,dx;
  ll query(int pos,int l,int r,int a,int b){
    if(b<l || r<a)return 0;
    if(a<=l && r<=b){
        return s[pos].val;
    }
    sx=0,dx=0;
    if(s[pos].left!=-1)sx=query(s[pos].left,l,(l+r)/2,a,b);
    if(s[pos].right!=-1)dx=query(s[pos].right,(l+r)/2+1,r,a,b);
    return __gcd(sx,dx);
  }
};
class segofseg{
  public:
  struct node{
    int left,right;
    segment k;
    node(){
      left=right=-1;
    }
  };
  vector<node> s=vector<node>(1);
  node def;
  ll x,y;
  void upd(int pos,int l,int r,int p,int q,ll v){
    if(l>p || r<p)return ;
    if(l==r){
      s[pos].k.upd(0,0,dim-1,q,v);
      return;
    }
    x=0,y=0;
    if(p<=(l+r)/2){
      if(s[pos].left==-1){
        s[pos].left=s.size();
        s.push_back(def);
      }
      upd(s[pos].left,l,(l+r)/2,p,q,v);
    }else{
      if(s[pos].right==-1){
        s[pos].right=s.size();
        s.push_back(def);
      }
      upd(s[pos].right,(l+r)/2+1,r,p,q,v);
    }

    if(s[pos].left!=-1)x=s[s[pos].left].k.query(0,0,dim-1,q,q);
    if(s[pos].right!=-1)y=s[s[pos].right].k.query(0,0,dim-1,q,q);
    s[pos].k.upd(0,0,dim-1,q,__gcd(x,y));
  }
  ll sx,dx;
  ll query(int pos,int l,int r,int a,int b,int x,int y){
    if(b<l || r<a)return 0;
    if(a<=l && r<=b){
        return s[pos].k.query(0,0,dim-1,x,y);
    }
    sx=0,dx=0;
    if(s[pos].left!=-1)sx=query(s[pos].left,l,(l+r)/2,a,b,x,y);
    if(s[pos].right!=-1)dx=query(s[pos].right,(l+r)/2+1,r,a,b,x,y);
    return __gcd(sx,dx);
  }
}tot;
void init(int R, int C) {
}

void update(int P, int Q, long long K){
  tot.upd(0,0,dim-1,P,Q,K);
}

long long calculate(int P, int Q, int U, int V) {
  return tot.query(0,0,dim-1,P,U,Q,V);
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:18:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^~~

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