Submission #1025706

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1025706	2024-07-17T08:57:42 Z	dozer	Game (IOI13_game)	C++14	Compilation error	0 ms	0 KB

game

#include <bits/stdc++.h>
#include "game.h"
using namespace std;
#define sp " "
#define endl "\n"
#define pb push_back
#define pii pair<int,int>
#define st first
#define nd second
#define fileio() freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define ll long long
#define MAXN 200005


const int M = 1e9;

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 Node{
	ll valy;
	Node *XL, *XR, *YR, *YL;
	Node(){
		XL = XR = YL = YR = NULL;
		valy = 0;
	}

	void pull_y(){
		ll lft = 0, rgt = 0;
		if (YL != NULL) lft = YL->valy;
		if (YR != NULL) rgt = YR->valy;
		valy = gcd2(lft, rgt);
	}

	void pull_x(){
		ll lft = 0, rgt = 0;
		if (XL != NULL) lft = XL->valy;
		if (XR != NULL) rgt = XR->valy;
		valy = gcd(lft, rgt);
	}
};


typedef Node* pnode;

struct SegTree{
	pnode root;

	int R, C;

	SegTree(int r, int c){
		root = new Node();
		R = r, C = c;
		R = M, C = M;
	}

	void update_y(pnode node, int l, int r, int a, int b, int sl, ll val){
		if (l > sl || r < sl) return;
		if (l == r){
			if (a == b) node->valy = val;
			else {
				node->pull_x();
			}
			return;
		}

		int mid = (l + r) / 2;

		if (sl <= mid){
			if (node->YL == NULL){
				node->YL = new Node();
			}
			if (node-> XL != NULL) node->YL->XL = node->XL->YL;
			if (node->XR != NULL) node->YL->XR = node->XR->YL;
			update_y(node->YL, l, mid, a, b, sl, val);
		}

		else{
			if (node->YR == NULL){
				node->YR = new Node();
			}
			if (node-> XL != NULL) node->YR->XL = node->XL->YR;
			if (node->XR != NULL) node->YR->XR = node->XR->YR;
			update_y(node->YR, mid + 1, r, a, b, sl, val);
		}

		node->pull_y();
	}

	void update_x(pnode node, int l, int r, int x, int y, ll val){
		if (l > x || r < x) return;
		
		if (l != r){
			int mid = (l + r) / 2;
			if (x <= mid){
				if (node->XL == NULL){
					node->XL = new Node();
				}
				update_x(node->XL, l, mid, x, y, val);
			}

			else{
				if (node->XR == NULL){
					node->XR = new Node();
				}
				update_x(node->XR, mid + 1, r, x, y, val);
			}
		}

		update_y(node, 1, C, l, r, y, val);
	}


	void update(int x, int y, ll val){
		update_x(root, 1, R, x, y, val);
	}


	ll query_y(pnode node, int l, int r, int sl, int sr){
		if (l > sr || r < sl) return 0;
		if (l >= sl && r <= sr) return node->valy;
		ll lft = 0, rgt = 0;
		int mid = (l + r) / 2;
		if (node->YL != NULL && sl <= mid) lft = query_y(node->YL, l, mid, sl, sr);
		if (node->YR != NULL && sr > mid) rgt = query_y(node->YR, mid + 1, r, sl, sr);
		return gcd2(lft, rgt);
	}

	ll query_x(pnode node, int l, int r, int a, int b, int c, int d){
		if (l > b || r < a) return 0;
		if (l >= a && r <= b) {
			int val = query_y(node, 1, C, c, d);
			return val;
		}
		int lft = 0, rgt = 0;
		int mid = (l + r) / 2;
		if (node->XL != NULL && a <= mid){
			lft = query_x(node->XL, l, mid, a, b, c, d);
		}

		if (node->XR != NULL && b > mid){
			rgt = query_x(node->XR, mid + 1, r, a, b, c, d);
		}
		return gcd2(lft, rgt);
	}

	ll query(int a, int b, int c, int d){
		return query_x(root, 1, R, a, b, c, d);
	}
};



SegTree *t;

void init(int R, int C) {
    t = new SegTree(R, C);
}

void update(int P, int Q, long long K) {
    t->update(P + 1, Q + 1, K);
}

long long calculate(int P, int Q, int U, int V) {
    P++, Q++, U++, V++;
    return t->query(P, U, Q, V);
}

Compilation message

game.cpp: In member function 'void Node::pull_x()':
game.cpp:48:10: error: 'gcd' was not declared in this scope; did you mean 'gcd2'?
   48 |   valy = gcd(lft, rgt);
      |          ^~~
      |          gcd2