Submission #134378

#	Time	Username	Problem	Language	Result	Execution time	Memory
134378		ksmzzang2003	Game (IOI13_game)	C++17	Compilation error	0 ms	0 KiB

game

#include "game.h"
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
int R,C,Q;
struct node1d
{
    ll val =0 ; int pos = -1; 
    node1d *lc = nullptr, *rc=nullptr;
    void update(int s,int e,int t,int v)
    {
        if(e<t || t<s) return ;
        if(s==e)
        {
            val=v;
            return ;
        }
        int mid = (s+e)/2;
        if(pos>=0)
        {
            if(pos<=mid)
            {
                lc = new node1d;
                lc->pos = pos,lc->val = val;
            }
            else 
            {
                rc = new node1d;
                rc->pos = pos, rc->val = val;
            }
            pos = -1;
        }
        if(t<=mid)
        {
            if(lc==nullptr)
            {
                lc = new node1d;
                lc - >pos = t, lc->val =v ;
            }
            else lc ->update(s,mid,t,v);
        }
        else 
        {
            if(rc==nullptr)
            {
                rc =new node1d;
                rc->pos = t,rc->val =v;
            }
            else rc->update(mid+1,e,t,v);
        }
        val = 0; 
        if(lc!=nullptr) val = __gcd(val,lc->val);
        if(rc!=nullptr) val = __gcd(val,rc->val);
    }
    
    ll query(int s,int e,int ts,int te)
    {
        if(te<s || e< ts) return 0 ;
        if(ts<=s && e<=te) return val;
        if(pos>=0)
        {
            if(ts<=pos && pos <= te) return val;
            return 0;
        }
        int mid = (s+e)/2;
        ll ret=0;
        if(lc!=nullptr) ret=  __gcd(ret,lc->query(s,mid,ts,te));
        if(rc!=nullptr) ret=  __gcd(ret,lc->query(mid+1,e,ts,te));
        return ret;
    }
};

struct node2d
{
    node1d *T = new node1d; 
    node2d *lc = nullptr, *rc =nullptr;
    void update(int s,int e, int tx,int ty ,ll v)
    {
        if(e<tx ||tx <s ) return ;
        if(s==e)
        {
            T->update(0,C-1,ty,v);
            return ;
        }
        int mid = (s+e)/2;
        if(tx<=mid)
        {
            if(lc==nullptr) lc = new node2d;
            lc->update(s,mid,tx,ty,v);
        }
        else
        {
            if(rc==nullptr) rc = new node2d;
            rc->update(mid+1,e,tx,ty,v);
        }
        ll ret= 0;
        if(lc!=nullptr) ret = __gcd(ret,lc->T->query(0,C-1,ty,ty));
        if(rc!=nullptr) ret = __gcd(ret,rc->T->query(0,C-1,ty,ty));
        T->update(0,C-1,ty,ret);
    }
    
    ll query (int s,int e,int txs,int txe,int tys,int tye)
    {
        if(txe<s ||e <txs) return 0;
        if(txs <=s &&e <=txe) return T->query(0,C-1,tys,tye);
        int mid = (s+e)/2;
        ll ret=0; 
        if(lc!=nullptr) ret =__gcd(ret,lc->query(s,mid,txs,txe,tys,tye));
        if(rc!=nullptr) ret =__gcd(ret,rc->query(mid+1,e,txs,txe,tys,tye));
        return ret;
    }
}*Seg = new node2d;

void init (int r,int c)
{
    R=r,C=c;
}
void update(int x,int y,ll v)
{
    Seg->update(0,R-1,x,y,v);
}

ll calculate(int x1,int y1,int x2,int y2)
{
    return Seg->query(0,R-1,x1,x2,y1,y2);
}

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;
      ^~~
game.cpp: In member function 'void node1d::update(int, int, int, int)':
game.cpp:38:22: error: expected primary-expression before '>' token
                 lc - >pos = t, lc->val =v ;
                      ^