Submission #140225

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
140225	2019-08-02T10:14:08 Z	edenooo	Game (IOI13_game)	C++17	Compilation error	0 ms	0 KB

game

#include<stdio.h>
#include<iostream>
#include<vector>
#include<string>
#include<queue>
#include<deque>
#include<set>
#include<map>
#include<algorithm>
#include<math.h>
#include "game.h"
using namespace std;

#define INF 1234567890
#define ll long long

struct SEG {
	int l, r, root;
};

struct Node {
	int l, r;
	ll val;
};

int Y, X, Q;
vector<SEG> segy(1);
vector<Node> seg(1);

/*ll gcd2(ll a, ll b)
{
	return a ? gcd2(b%a, a) : b;
}*/

void UpdateX(int idx, ll val, int n, int l, int r)
{
	if (r < idx || idx < l) return;
	if (l == r)
	{
		seg[n].val = val;
		return;
	}

	int mid = (int)((ll)(l + r) >> 1);
	if (idx <= mid)
	{
		if (seg[n].l == 0)
		{
			seg[n].l = seg.size();
			seg.push_back({ 0,0,0 });
		}
		UpdateX(idx, val, seg[n].l, l, mid);
	}
	else
	{
		if (seg[n].r == 0)
		{
			seg[n].r = seg.size();
			seg.push_back({ 0,0,0 });
		}
		UpdateX(idx, val, seg[n].r, mid + 1, r);
	}
	seg[n].val = gcd2(seg[seg[n].l].val, seg[seg[n].r].val);
}

void UpdateY(int y, int x, ll val, int n, int l, int r)
{
	if (r < y || y < l) return;

	UpdateX(x, val, segy[n].root, 0, X - 1); //이렇게 밖으로 빼야 됨
	if (l == r) return;

	int mid = (int)((ll)(l + r) >> 1);
	if (y <= mid)
	{
		if (segy[n].l == 0)
		{
			segy[n].l = segy.size();
			segy.push_back({ 0,0,(int)seg.size() });
			seg.push_back({ 0,0,0 });
		}
		UpdateY(y, x, val, segy[n].l, l, mid);
	}
	else
	{
		if (segy[n].r == 0)
		{
			segy[n].r = segy.size();
			segy.push_back({ 0,0,(int)seg.size() });
			seg.push_back({ 0,0,0 });
		}
		UpdateY(y, x, val, segy[n].r, mid + 1, r);
	}
}

ll QueryX(int L, int R, int n, int l, int r)
{
	if (r < L || R < l) return 0;
	if (L <= l && r <= R) return seg[n].val;

	int mid = (int)((ll)(l + r) >> 1);
	ll left = 0, right = 0;
	if (seg[n].l)
		left = QueryX(L, R, seg[n].l, l, mid);
	if (seg[n].r)
		right = QueryX(L, R, seg[n].r, mid + 1, r);
	return gcd2(left, right);
}

ll QueryY(int sy, int sx, int ey, int ex, int n, int l, int r)
{
	if (r < sy || ey < l) return 0;
	if (sy <= l && r <= ey) return QueryX(sx, ex, segy[n].root, 0, X - 1);

	int mid = (int)((ll)(l + r) >> 1);
	ll left = 0, right = 0;
	if (segy[n].l)
		left = QueryY(sy, sx, ey, ex, segy[n].l, l, mid);
	if (segy[n].r)
		right = QueryY(sy, sx, ey, ex, segy[n].r, mid + 1, r);
	return gcd2(left, right);
}

void init(int R, int C)
{
	Y = R, X = C;
	segy.push_back({ 0,0,(int)seg.size() });
	seg.push_back({ 0,0,0 });
}

void update(int P, int Q, ll K)
{
	UpdateY(P, Q, K, 1, 0, Y - 1);
}

ll calculate(int P, int Q, int U, int V)
{
	return QueryY(P, Q, U, V, 1, 0, Y - 1);
}

Compilation message

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 function 'void UpdateX(int, long long int, int, int, int)':
game.cpp:63:15: error: 'gcd2' was not declared in this scope
  seg[n].val = gcd2(seg[seg[n].l].val, seg[seg[n].r].val);
               ^~~~
game.cpp:63:15: note: suggested alternative: 'gcvt'
  seg[n].val = gcd2(seg[seg[n].l].val, seg[seg[n].r].val);
               ^~~~
               gcvt
game.cpp: In function 'long long int QueryX(int, int, int, int, int)':
game.cpp:107:9: error: 'gcd2' was not declared in this scope
  return gcd2(left, right);
         ^~~~
game.cpp:107:9: note: suggested alternative: 'gcvt'
  return gcd2(left, right);
         ^~~~
         gcvt
game.cpp: In function 'long long int QueryY(int, int, int, int, int, int, int)':
game.cpp:121:9: error: 'gcd2' was not declared in this scope
  return gcd2(left, right);
         ^~~~
game.cpp:121:9: note: suggested alternative: 'gcvt'
  return gcd2(left, right);
         ^~~~
         gcvt