Submission #13375

#	Time	Username	Problem	Language	Result	Execution time	Memory
13375		dohyun0324	Game (IOI13_game)	C++98	63 / 100	3330 ms	256000 KiB

game

#include<stdio.h>
#include "game.h"
typedef long long ll;
int n,m,x1,y1,x2,y2;
ll k;
ll gcd2(ll X, ll Y) {
    if(X==0) return Y; if(Y==0) return X;
    ll tmp;
    while (X != Y && Y != 0) {
        tmp = X;
        X = Y;
        Y = tmp % Y;
    }
    return X;
}
struct data
{
    int rx,ry;
    data *l,*r;
    data(int s,int e):rx(s),ry(e){
        l=r=NULL;
    }
    void update3()
    {
        if(rx==ry){start2.update2(1,m); return;}
        int mid=(rx+ry)/2;
        if(x1<=mid)
        {
            if(l==NULL) l=new data(rx,mid);
            l->rx=rx; l->ry=mid; l->update3();
        }
        else
        {
            if(r==NULL) r=new data(mid+1,ry);
            r->rx=mid+1; r->ry=ry; r->update3();
        }
        x2=y1; y2=y1;
        if(r==NULL) k=l->start2.query2(1,m);
        else if(l==NULL) k=r->start2.query2(1,m);
        else k=gcd2(l->start2.query2(1,m),r->start2.query2(1,m));
        start2.update2(1,m);
    }
    ll query()
    {
        int mid=(rx+ry)/2;
        if(x1<=rx && ry<=y1) return start2.query2(1,m);
        if(x1>ry || y1<rx) return 0;
        if(l==NULL && r==NULL) return 0;
        else if(l==NULL)
        {
            r->rx=mid+1; r->ry=ry;
            return r->query();
        }
        else if(r==NULL)
        {
            l->rx=rx; l->ry=mid;
            return l->query();
        }
        l->rx=rx; l->ry=mid;
        r->rx=mid+1; r->ry=ry;
        return gcd2(l->query(),r->query());
    }
    struct data2
    {
        ll val;
        data2 *l,*r;
        data2(){}
        data2(ll v):val(v){l=r=NULL;}
        void update2(int cx,int cy)
        {
            if(cx==cy){val=k; return;}
            int mid=(cx+cy)/2;
            if(y1<=mid){
                if(l==NULL) l=new data2(0);
                l->update2(cx,mid);
            }
            else{
                if(r==NULL) r=new data2(0);
                r->update2(mid+1,cy);
            }
            if(r==NULL) val=l->val;
            else if(l==NULL) val=r->val;
            else val=gcd2(l->val,r->val);
        }
        ll query2(int cx,int cy)
        {
            int mid=(cx+cy)/2;
            if(cx>y2 || cy<x2) return 0;
            if((x2<=cx && cy<=y2) || (l==NULL && r==NULL)) return val;
            if(l==NULL) return r->query2(mid+1,cy);
            else if(r==NULL) return l->query2(cx,mid);
            return gcd2(l->query2(cx,mid),r->query2(mid+1,cy));
        }
    };
    data2 start2=data2(0);
};
data start=data(1,n);
void init(int R, int C){
    n=R+1, m=C+1;
    start=data(1,n);
}
void update(int P, int Q, ll K){
    x1=P+1; y1=Q+1; k=K;
    start.update3();
}
ll calculate(int P, int Q, int U, int V){
    x1=P+1; y1=U+1; x2=Q+1; y2=V+1;
    return start.query();
}

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