結果

問題 No.2743 Twisted Lattice
ユーザー shobonvipshobonvip
提出日時 2024-04-21 04:09:33
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
RE  
実行時間 -
コード長 3,458 bytes
コンパイル時間 4,704 ms
コンパイル使用メモリ 271,848 KB
実行使用メモリ 34,640 KB
最終ジャッジ日時 2024-04-21 04:09:45
合計ジャッジ時間 11,138 ms
ジャッジサーバーID
(参考情報)
judge3 / judge1
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 RE -
testcase_01 WA -
testcase_02 AC 264 ms
25,196 KB
testcase_03 RE -
testcase_04 RE -
testcase_05 RE -
testcase_06 RE -
testcase_07 RE -
testcase_08 AC 2 ms
5,376 KB
testcase_09 AC 2 ms
5,376 KB
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ソースコード

diff #

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

//* ATCODER
#include<atcoder/all>
using namespace atcoder;
typedef modint998244353 mint;
//*/

/* BOOST MULTIPRECISION
#include<boost/multiprecision/cpp_int.hpp>
using namespace boost::multiprecision;
//*/

typedef long long ll;

#define rep(i, s, n) for (int i = (int)(s); i < (int)(n); i++)
#define rrep(i, s, n) for (int i = (int)(n)-1; i >= (int)(s); i--)

template <typename T> bool chmin(T &a, const T &b) {
	if (a <= b) return false;
	a = b;
	return true;
}

template <typename T> bool chmax(T &a, const T &b) {
	if (a >= b) return false;
	a = b;
	return true;
}

template <typename T> T max(vector<T> &a){
	assert(!a.empty());
	T ret = a[0];
	for (int i=0; i<(int)a.size(); i++) chmax(ret, a[i]);
	return ret;
}

template <typename T> T min(vector<T> &a){
	assert(!a.empty());
	T ret = a[0];
	for (int i=0; i<(int)a.size(); i++) chmin(ret, a[i]);
	return ret;
}

template <typename T> T sum(vector<T> &a){
	T ret = 0;
	for (int i=0; i<(int)a.size(); i++) ret += a[i];
	return ret;
}

// defcomp
template <typename T>
vector<T> compress(vector<T> &X) {
	vector<T> vals = X;
	sort(vals.begin(), vals.end());
	vals.erase(unique(vals.begin(), vals.end()), vals.end());
	return vals;
}
// -----

// importbisect
template <typename T>
int bisect_left(vector<T> &X, T v){
	return lower_bound(X.begin(), X.end(), v) - X.begin();
}

template <typename T>
int bisect_right(vector<T> &X, T v){
	return upper_bound(X.begin(), X.end(), v) - X.begin();
}
// -----


int main(){
	ll h,w,n;
	cin >> h >> w >> n;
	vector<ll> a(n), b(n), ind(n);
	vector<tuple<ll,ll,int>> tar;
	rep(i,0,n){
		cin >> a[i] >> b[i];
		tar.push_back(make_tuple(b[i],a[i],i));
	}
	sort(tar.begin(), tar.end());
	rep(i,0,n){
		a[i] = get<1>(tar[i]);
		b[i] = get<0>(tar[i]);
		ind[i] = get<2>(tar[i]);
	}

	vector<ll> bc = compress(b);
	auto get = [&](int i) -> int {
		return bisect_left(bc, b[i]);
	};

	auto hav = [&](ll z) -> bool {
		int tar = bisect_left(bc, z);
		if (tar >= (int)bc.size() || bc[tar] != z) return false;
		return true;
	};

	vector<ll> cost(n, 4e18);
	vector<set<ll>> st((int)bc.size());
	rep(i,0,n){
		st[get(i)].insert(a[i]);
	} 

	int piv = 0;
	ll nwmin = 4e18;
	rep(i,0,n){
		int x = get(i);

		{
			auto itr = st[x].lower_bound(a[i]);
			if (itr != st[x].begin()){
				itr--;
				ll val = *itr;
				chmin(cost[ind[i]], abs(a[i] - val));
			}
		}

		{
			auto itr = st[x].upper_bound(a[i]);
			if (itr != st[x].end()){
				ll val = *itr;
				chmin(cost[ind[i]], abs(a[i] - val));
			}
		}

		for (ll y: {b[i]-1, b[i]+1}){
			if (!hav(y)) continue;
			int z = get(y);
			{
				auto itr = st[z].upper_bound(a[i]);
				if (itr != st[z].begin()){
					itr--;
					chmin(cost[ind[i]], a[i]);
				}
			}
			{
				auto itr = st[z].upper_bound(a[i]);
				if (itr != st[z].end()){
					ll val = *itr;
					chmin(cost[ind[i]], val);
				}
			}
		}

		while (piv < n && b[piv] <= b[i] - 2){
			chmin(nwmin, a[piv] - b[piv]);
			piv++;
		}

		// (1, b[i]-2) にいくのに
		ll geta = abs(1LL - a[i]) + 2LL;
		ll migiue_parameta = 1LL - (b[i] - 2LL);
		chmin(cost[ind[i]], (nwmin - migiue_parameta) + geta);
	}

	piv = n-1;
	nwmin = 4e18;
	rrep(i,0,n){
		while(piv >= 0 && b[piv] >= b[i] + 2){
			chmin(nwmin, a[piv] + b[piv]);
			piv--;
		}
		ll geta = abs(1LL - a[i]) + 2LL;
		ll migiue_parameta = 1LL + (b[i] + 2LL);
		chmin(cost[ind[i]], (nwmin - migiue_parameta) + geta);
	}

	rep(i,0,n){
		cout << cost[i] << '\n';
	} 
}

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