oj.uz

Submission #308058

# Submission time Handle Problem Language Result Execution time Memory
308058 2020-09-30T02:06:37 Z daniel920712 Game (IOI13_game) C++14
0 / 100
 1 ms 512 KB 
#include "game.h"

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 A
{
    long long l,r;
    long long nxl,nxr,nxt;
    long long con;
}Node[2000005];
long long N,M,now=1;
void New(long long l,long long r,long long here,long long t)
{
    Node[here].l=l;
    Node[here].r=r;
    Node[here].nxt=t;
    Node[here].nxl=-1;
    Node[here].nxr=-1;
    Node[here].con=0;
}
void init(int R, int C)
{
    N=R;
    M=C;
    New(0,N-1,0,-1);
}
void Merge(long long here,long long l,long long r,long long what)
{
    if(what==Node[here].l&&what==Node[here].r)
    {
        Node[here].con=0;
        if(l!=-1) Node[here].con=gcd2(Node[here].con,Node[l].con);
        if(r!=-1) Node[here].con=gcd2(Node[here].con,Node[r].con);
        return;
    }
    if(what<=(Node[here].l+Node[here].r)/2)
    {
        if(Node[here].nxl==-1)
        {
            Node[here].nxl=now++;
            New(Node[here].l,(Node[here].l+Node[here].r)/2,Node[here].nxl,-2);
        }
        if(l!=-1) l=Node[l].nxl;
        if(r!=-1) r=Node[r].nxl;
        Merge(Node[here].nxl,l,r,what);
        Node[here].con=0;
        if(l!=-1) Node[here].con=gcd2(Node[here].con,Node[l].con);
        if(r!=-1) Node[here].con=gcd2(Node[here].con,Node[r].con);
    }
    else
    {
        if(Node[here].nxr==-1)
        {
            Node[here].nxr=now++;
            New((Node[here].l+Node[here].r)/2+1,Node[here].r,Node[here].nxr,-2);
        }
        if(l!=-1) l=Node[l].nxr;
        if(r!=-1) r=Node[r].nxr;
        Merge(Node[here].nxr,l,r,what);
        Node[here].con=0;
        if(l!=-1) Node[here].con=gcd2(Node[here].con,Node[l].con);
        if(r!=-1) Node[here].con=gcd2(Node[here].con,Node[r].con);
    }
}
void cha(long long x,long long y,long long con,long long here)
{
    if(Node[here].nxt==-2)
    {
        if(y==Node[here].l&&y==Node[here].r)
        {
            Node[here].con=con;
            return;
        }
        if(y<=(Node[here].l+Node[here].r)/2)
        {
            if(Node[here].nxl==-1)
            {
                Node[here].nxl=now++;
                New(Node[here].l,(Node[here].l+Node[here].r)/2,Node[here].nxl,-2);
            }
            cha(x,y,con,Node[here].nxl);
            Node[here].con=Node[Node[here].nxl].con;
            if(Node[here].nxr!=-1) Node[here].con=gcd2(Node[here].con,Node[Node[here].nxr].con);
        }
        else
        {
            if(Node[here].nxr==-1)
            {
                Node[here].nxr=now++;
                New((Node[here].l+Node[here].r)/2+1,Node[here].r,Node[here].nxr,-2);
            }
            cha(x,y,con,Node[here].nxr);
            Node[here].con=Node[Node[here].nxr].con;
            if(Node[here].nxl!=-1) Node[here].con=gcd2(Node[here].con,Node[Node[here].nxl].con);
        }
    }
    else
    {
        if(x==Node[here].l&&x==Node[here].r)
        {
            if(Node[here].nxt==-1)
            {
                Node[here].nxt=now++;
                New(0,M-1,Node[here].nxt,-2);
            }
            cha(x,y,con,Node[here].nxt);
            return;
        }
        if(x<=(Node[here].l+Node[here].r)/2)
        {
            if(Node[here].nxl==-1)
            {
                Node[here].nxl=now++;
                New(Node[here].l,(Node[here].l+Node[here].r)/2,Node[here].nxl,-1);
            }
            cha(x,y,con,Node[here].nxl);
        }
        else
        {
            if(Node[here].nxr==-1)
            {
                Node[here].nxr=now++;
                New((Node[here].l+Node[here].r)/2+1,Node[here].r,Node[here].nxr,-1);
            }
            cha(x,y,con,Node[here].nxr);
        }
        if(Node[here].nxt==-1)
        {
            Node[here].nxt=now++;
            New(0,M-1,Node[here].nxt,-2);
        }
        Merge(Node[here].nxt,Node[Node[here].nxl].nxt,Node[Node[here].nxr].nxt,y);
    }
}
long long Find(long long x1,long long y1,long long x2,long long y2,long long here)
{
    if(here==-1) return 0;
    if(Node[here].nxt==-2)
    {
        if(Node[here].l==x2&&Node[here].r==y2) return Node[here].con;
        if(y2<=(Node[here].l+Node[here].r)/2) return Find(x1,y1,x2,y2,Node[here].nxl);
        if(x2>(Node[here].l+Node[here].r)/2) return Find(x1,y1,x2,y2,Node[here].nxr);
        return gcd2(Find(x1,y1,(Node[here].l+Node[here].r)/2,y2,Node[here].nxl),Find(x1,y1,(Node[here].l+Node[here].r)/2+1,y2,Node[here].nxr));
    }
    else
    {
        if(Node[here].l==x1&&Node[here].r==y1) return Find(x1,y1,x2,y2,Node[here].nxt);
        if(y1<=(Node[here].l+Node[here].r)/2) return Find(x1,y1,x2,y2,Node[here].nxl);
        if(x1>(Node[here].l+Node[here].r)/2) return Find(x1,y1,x2,y2,Node[here].nxr);
        return gcd2(Find(x1,(Node[here].l+Node[here].r)/2,x2,y2,Node[here].nxl),Find((Node[here].l+Node[here].r)/2+1,y1,x2,y2,Node[here].nxr));
    }
}
void update(int P, int Q, long long K)
{
    cha(P,Q,K,0);
}

long long calculate(int P, int Q, int U, int V) {

    return Find(P,U,Q,V,0);
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Incorrect 1 ms 512 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Incorrect 0 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Incorrect 1 ms 512 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Incorrect 1 ms 512 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Incorrect 1 ms 512 KB Output isn't correct
3 Halted 0 ms 0 KB -