제출 #1013279

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1013279		AmirAli_H1	Game (IOI13_game)	C++17	0 / 100	1 ms	860 KiB

game

// In the name of Allah

#include <bits/stdc++.h>
#include "game.h"
using namespace std;

typedef		long long int			ll;
typedef		long double				ld;
typedef		pair<int, int>			pii;
typedef		pair<ll, ll>			pll;
typedef		complex<ld>				cld;

#define		all(x)					(x).begin(),(x).end()
#define		len(x)					((ll) (x).size())
#define		F						first
#define		S						second
#define		pb						push_back
#define		sep						' '
#define		endl					'\n'
#define		Mp						make_pair
#define		kill(x)					cout << x << '\n', exit(0)
#define		set_dec(x)				cout << fixed << setprecision(x);
#define		file_io(x,y)			freopen(x, "r", stdin); freopen(y, "w", stdout);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int n, m;
const int maxn = 2000 + 7;
const int sq = 100;
vector<ll> A[2 * maxn], t[2 * maxn];

void set_val(int ind, int v, int tl, int tr, int i, ll x) {
	if (i >= tr || i < tl) return ;
	if (tr - tl == 1) {
		t[ind][v] = x;
		return ;
	}
	int mid = (tl + tr) / 2;
	set_val(ind, 2 * v + 1, tl, mid, i, x);
	set_val(ind, 2 * v + 2, mid, tr, i, x);
	t[ind][v] = __gcd(t[ind][2 * v + 1], t[ind][2 * v + 2]);
}

ll get_gcd(int ind, int v, int tl, int tr, int l, int r) {
	l = max(l, tl); r = min(r, tr);
	if (l >= tr || r <= tl) return 0;
	if (l == tl && r == tr) return t[ind][v];
	int mid = (tl + tr) / 2;
	return __gcd(get_gcd(ind, 2 * v + 1, tl, mid, l, r), get_gcd(ind, 2 * v + 2, mid, tr, l, r));
}

void init(int R, int C) {
	n = R; m = C;
	int sz = n + ((n - 1) / sq);
	for (int i = 0; i <= sz; i++) {
		t[i].resize(4 * m);
		A[i].resize(m);
	}
	return ;
}

void update(int i, int j, ll R) {
	if (n >= maxn) return ;
	set_val(i, 0, 0, m, j, R);
	A[i][j] = R; ll x = 0;
	int lx = (i / sq), rx = min(n, (i / sq) + sq);
	lx *= sq; rx *= sq;
	for (int k = lx; k < rx; k++) x = __gcd(x, A[k][j]);
	set_val(n + (i / sq), 0, 0, m, j, x);
}

ll calculate(int l1, int l2, int r1, int r2) {
	r1++; r2++;
	if (n >= maxn) return 0;
	ll res = 0;
	if (r1 - l1 <= 3 * sq) {
		for (int i = l1; i < r1; i++) {
			res = __gcd(res, get_gcd(i, 0, 0, m, l2, r2));
		}
	}
	else {
		int lx = (l1 / sq) + (l1 % sq != 0), rx = r1 / sq;
		lx *= sq; rx *= sq;
		for (int i = l1; i < lx; i++) {
			res = __gcd(res, get_gcd(i, 0, 0, m, l2, r2));
		}
		for (int i = lx; i < rx; i += sq) {
			res = __gcd(res, get_gcd(n + (i / sq), 0, 0, m, l2, r2));
		}
		for (int i = rx; i < r1; i++) {
			res = __gcd(res, get_gcd(i, 0, 0, m, l2, r2));
		}
	}
	return res;
}

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