Submission #581409

#	Time	Username	Problem	Language	Result	Execution time	Memory
581409		ggoh	Game (IOI13_game)	C++14	63 / 100	1457 ms	256000 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;
int R, C, N, ch, P, Q, U, V;
long long K;
struct Y
{
    Y *left, *right ;
    Y(){left=right=NULL;val=0;}
    long long val;
    int s,e;
};
struct X
{
  X *left, *right;
  Y *ynode;
  X(){left=right=NULL;ynode=NULL;} 
  int s, e;
}*inix;

long long gcd2(long long xx, long long yy)
{
    if (yy == 0)
        return xx;
    return gcd2(yy, xx % yy);
}
 
void yup(Y *y, int yco, long long v)
{
    int s1 = y->s, e1 = y->e;
    if (s1 == e1)
    {
        y->val = v;
        return;
    }
    if ((s1 + e1) / 2 >= yco)
    {
        if (!y->left)
        {
            y->left=new Y();
            y->left->s=s1;
            y->left->e=(s1+e1)/2;
        }
        yup(y->left, yco, v);
    }
    else
    {
        if (!y->right)
        {
            y->right=new Y();
            y->right->s=(s1+e1)/2+1;
            y->right->e=e1;
        }
        yup(y->right, yco, v);
    }
    long long l = 0, r = 0;
    if (y->left)
        l = y->left->val;
    if (y->right)
        r = y->right->val;
    y->val = gcd2(l, r);
}
void hardyup(Y *y, Y *ly, Y *ry, int yco)
{
    int s1 = y->s, e1 = y->e;
    Y *nextl=NULL, *nextr=NULL;
    long long l = 0, r = 0;
    if (ly)
    {
        l =ly->val;
    }
    if (ry)
    {
        r = ry->val;
    }
    y->val = gcd2(l, r);
    if (s1 == e1)
        return;
    if (yco <= (s1 + e1) / 2)
    {
        if (ly)
          nextl = ly->left;
        if(ry)
          nextr=ry->left;
        if (!y->left)
        {
            y->left = new Y();
            y->left->s=s1, 
            y->left->e=(s1 + e1) / 2;
        }
        hardyup(y->left, nextl, nextr, yco);
    }
    else
    {
        if (ly)
          nextl = ly->right;
        if(ry)
          nextr=ry->right;
        if (!y->right)
        {
            y->right = new Y();
            y->right->s=(s1 + e1) / 2+1;
            y->right->e=e1;
        }
        hardyup(y->right, nextl, nextr, yco);
    }
}
void xup(X *x, int xco, int yco, long long v)
{
    if(!x->ynode)x->ynode=new Y();
    x->ynode->s=0;
    x->ynode->e=C-1;

    int s1 = x->s, e1 = x->e;
    if (s1 == e1)
    {
      yup(x->ynode, yco, v);
      return;
    }
    if ((s1 + e1) / 2 >= xco)
    {
        if (!x->left)
        {
            x->left = new X();
            x->left->s=s1;
            x->left->e=(s1 + e1) / 2;
        }
        xup(x->left, xco, yco, v);
    }
    else
    {
        if (!x->right)
        {
            x->right = new X();
            x->right->s=(s1 + e1) / 2 + 1;
            x->right->e =  e1;
        }
        xup(x->right, xco, yco, v);
    }
    Y *ly=NULL,*ry=NULL;
    if (x->left)
        ly= x->left->ynode;
    if (x->right)
        ry=x->right->ynode;
    hardyup(x->ynode, ly, ry, yco);
}
long long yans(Y *y, int py, int qy)
{
    if (y->s > qy || y->e < py)
        return 0ll;
    if (py <= y->s && y->e <= qy)
        return y->val;
    long long l = 0, r = 0;
    if (y->left)
        l = yans(y->left, py, qy);
    if (y->right)
        r = yans(y->right, py, qy);
    return gcd2(l, r);
}
long long xans(X *x, int px, int qx, int py, int qy)
{
  if(!x->ynode)
  return 0ll;
    if (x->s > qx || x->e < px)
        return 0ll;
    if (px <= x->s && x->e <= qx)
    {
        return yans(x->ynode, py, qy);
    }
    long long l = 0, r = 0;
    if (x->left)
        l = xans(x->left, px, qx, py, qy);
    if (x->right)
        r = xans(x->right, px, qx, py, qy);
    return gcd2(l, r);
}
void init(int RR, int CC)
{
  R=RR;
  C=CC;
  inix=new X();
  inix->s=0;
  inix->e=R-1;
}
void update(int P,int Q,long long K)
{
  xup(inix, P, Q, K);
}
long long calculate(int P,int Q,int U,int V)
{
  return xans(inix, P, U, Q, V);
}

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