Submission #798783

#	Time	Username	Problem	Language	Result	Execution time	Memory
798783		vjudge1	Game (IOI13_game)	C++17	Compilation error	0 ms	0 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;
long long m, n, q, x, y, u, v, val, tt;
struct node1
{
    long long l, r, ss;
    node1 *left, *right;
    node1(long long _l, long long _r)
    {
        l = _l;
        r = _r;
        ss = 0;
        left = right = NULL;
    }

    void down()
    {
        if (l != r && left == NULL)
        {
            long long mid=(l+r)>>1;
            left = new node1(l, mid);
            right = new node1(mid+1, r);
        }
    }

    void update(long long i, long long v)
    {
        if (r < i || i < l) return;
        down();
        if (l == r)
        {
            ss = v;
            return;
        }
        left->update(i, v);
        right->update(i, v);
        ss = __gcd(left->ss, right->ss);
    }

    long long get(long long a, long long b)
    {
        if (r < a || b < l) return 0;
        down();
        if (a <= l && r <= b) return ss;
        return __gcd(left->get(a, b), right->get(a, b));
    }
};
struct node2
{
    long long l, r, ss;
    node2 *left, *right;
    node1 *node;
    node2(long long _l, long long _r)
    {
        l = _l;
        r = _r;
        ss = 0;
        left = right = NULL;
        node = new node1(1, n);
    }
    void down()
    {
        if (l!=r && left == NULL)
        {
            long long mid=(l+r)>>1;
            left = new node2(l, mid);
            right = new node2(mid+1, r);
        }
    }

    void update(long long x, long long y, long long val)
    {
        if (r<x || x<l) return;
        down();
        node->update(y, val);
        if (l==r) return;
        left->update(x, y, val);
        right->update(x, y, val);
    }

    long long get(long long x, long long y, long long u, long long v)
    {
        if (r<x || u<l) return 0;
        down();
        if (x<=l && r<=u) return node->get(y, v);
        return __gcd(left->get(x, y, u, v),  right->get(x, y, u, v));
    }
};
node2* root;
void init(long long R, long long C)
{
    m=R;
    n=C;
    root = new node2(1, R);
}
void update(long long P, long long Q, long long K)
{
    return root->update(P+1, Q+1, K);
}
long long calculate(long long P, long long Q, long long U, long long V)
{
    return root->get(P+1, Q+1, U+1, V+1);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccnCj0gh.o: in function `main':
grader.c:(.text.startup+0x6b): undefined reference to `init'
/usr/bin/ld: grader.c:(.text.startup+0xd0): undefined reference to `calculate'
/usr/bin/ld: grader.c:(.text.startup+0x13e): undefined reference to `update'
collect2: error: ld returned 1 exit status