제출 #29134

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
29134		nibnalin	게임 (IOI13_game)	C++14	63 / 100	3729 ms	256000 KiB

game

#include <iostream>
#include <cstdio>
#include <vector>
#include "game.h"
using namespace std;

typedef long long lli;

struct ppnode0 {
	lli ans;
	ppnode0 *l, *r;
	ppnode0(lli _res = 0ll, ppnode0 *_l = NULL, ppnode0 *_r = NULL)
	{
		ans = _res, l = _l, r = _r;
	}
};

struct ppnode1 {
	ppnode0* ans;
	ppnode1 *l, *r;
	ppnode1(ppnode0* _res = new ppnode0(), ppnode1 *_l = NULL, ppnode1 *_r = NULL)
	{
		ans = _res, l = _l, r = _r;
	}
};

typedef ppnode0* pnode0;
typedef ppnode1* pnode1;

pair<int, int> sz;
pnode1 grid;

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;
}

pnode0 upd0(pnode0 root, int L, int R, int b, lli v)
{
	if(!root) root = new ppnode0();
	if(L == R) return new ppnode0(v, NULL, NULL);
	else
	{
		pnode0 nw = new ppnode0(0, NULL, NULL);
		if(b <= (L+R)/2) nw->l = upd0(root->l, L, (L+R)/2, b, v), nw->r = root->r;
		else nw->r = upd0(root->r, (L+R)/2+1, R, b, v), nw->l = root->l;
		if(nw->l) nw->ans = gcd2(nw->ans, nw->l->ans);
		if(nw->r) nw->ans = gcd2(nw->ans, nw->r->ans);
		return nw;
	}
}

lli qry0(pnode0 root, int L, int R, int a, int b)
{
	if(a > R || b < L || !root) return 0ll;
	else if(a <= L && R <= b) return root->ans;
	else return gcd2(qry0(root->l, L, (L+R)/2, a, b), qry0(root->r, (L+R)/2+1, R, a, b));
}

pnode1 upd1(pnode1 root, int L, int R, int a, int b, lli v)
{
	if(!root) root = new ppnode1();
	if(L == R) return new ppnode1(upd0(root->ans, 0, sz.second, b, v), NULL, NULL);
	else
	{
		pnode1 nw = new ppnode1(root->ans, NULL, NULL);
		if(a <= (L+R)/2) nw->l = upd1(root->l, L, (L+R)/2, a, b, v), nw->r = root->r;
		else nw->r = upd1(root->r, (L+R)/2+1, R, a, b, v), nw->l = root->l;
		lli pusher = 0;
		if(nw->l) pusher = gcd2(pusher, qry0(nw->l->ans, 0, sz.second, b, b));
		if(nw->r) pusher = gcd2(pusher, qry0(nw->r->ans, 0, sz.second, b, b));
		nw->ans = upd0(nw->ans, 0, sz.second, b, pusher);
		return nw;
	}
}

lli qry1(pnode1 root, int L, int R, int a, int b, int c, int d)
{
	if(a > R || b < L || !root) return 0ll;
	else if(a <= L && R <= b) return qry0(root->ans, 0, sz.second, c, d);
	else return gcd2(qry1(root->l, L, (L+R)/2, a, b, c, d), qry1(root->r, (L+R)/2+1, R, a, b, c, d));
}

void init(int _R, int _C) {
	sz.first = _R-1, sz.second = _C-1;
	grid = NULL;
}

void update(int P, int Q, long long K) {
	//cout << "upd\n";
	grid = upd1(grid, 0, sz.first, P, Q, K);
}

long long calculate(int P, int Q, int U, int V) {
	//cout << "calc\n";
	return qry1(grid, 0, sz.first, P, U, Q, V);
}

컴파일 시 표준 에러 (stderr) 메시지

grader.c: In function 'int main()':
grader.c:18:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^

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