oj.uz

답안 #258462

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
258462 2020-08-06T00:30:42 Z amoo_safar 새 집 (APIO18_new_home) C++17
10 / 100
 5000 ms 127836 KB 
// Zende bad Shoma nasime faghat !
#include <bits/stdc++.h>
 
#pragma GCC target ("avx2")
#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,fma,tune=native")
#pragma GCC optimize("unroll-loops")
 
#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'
 
using namespace std;
 
typedef pair<int, int> pii;
 
const int N = 3e5 + 10;
const int Inf = 1e9;
 
int n, q, k;
int x[N], t[N], a[N], b[N];
int y[N], c[N], ans[N];
 
vector<int> V;
 

//map<int, int> mp[N];
set<int> rec[N];
 
const int SGN = (1 << 19);
int seg[SGN << 1];
/*
void Ins(int id, int l, int r, int x, int L, int R){
	if(r <= L || R <= l) return ;
	if(l <= L && R <= r){
		seg[id].insert(x);
		return ;
	}
	int mid = (L + R) >> 1;
	Ins(id << 1, l, r, x, L, mid);
	Ins(id << 1 | 1, l, r, x, mid, R);
}
void Rem(int id, int l, int r, int x, int L, int R){
	if(r <= L || R <= l) return ;
	if(l <= L && R <= r){
		seg[id].erase(seg[id].find(x));
		return ;
	}
	int mid = (L + R) >> 1;
	Rem(id << 1, l, r, x, L, mid);
	Rem(id << 1 | 1, l, r, x, mid, R);
}
*/
inline int FastMin(int &a, int &b){
	return a < b ? a : b;
}
void Set(int idx, int v){
	idx += SGN;
	seg[idx] = v;
	while(idx >>= 1){
		seg[idx] = FastMin(seg[idx << 1], seg[idx << 1 | 1]);
	}
	/*if(R - L == 1){
		seg[id] = v;
		return ;
	}
	int mid = (L + R) >> 1;
	if(idx < mid) Set(id << 1, idx, v, L, mid);
	else Set(id << 1 | 1, idx, v, mid, R);
	seg[id] = min(seg[id << 1], seg[id << 1 | 1]);
	*/
}
 
 
int MN;
/*
int Get(int id, int l, int r, int L, int R){
	if(r <= L || R <= l) return Inf;
	if(l <= L && R <= r) return seg[id];
	
	int mid = (L + R) >> 1;
	return min(Get(id << 1, l, r, L, mid), Get(id << 1 | 1, l, r, mid, R));
	//if(idx < mid) Get(id << 1, idx, L, mid);
	//else Get(id << 1 | 1, idx, mid, R);
}
*/
 
int Get(int l){
	l += SGN;
	int r = SGN + SGN;
	int res = Inf;
	while(l ^ r){
		if(l & 1)
			res = min(res, seg[l ++]);
		l >>= 1; r >>= 1;
	}
	return res;
}
/*
template<typename T>
inline T Prev(T A){return --A; };
template<typename T>
inline T Next(T A){return ++A; };
*/
/*
pii GetRange(pii R){
	return pii(R.F, upper_bound(all(V), R.S) - V.begin());
}
*/
set<int>::iterator hint;
inline int GetRange(int tp){
	//set<int>::iterator it = hint;
	/*
	if(it == rec[tp].begin()) resL = 1;
	else resL = ( (*Prev(it)) + (*it)) / 2 + 1;
 	*/
	if(next(hint) == rec[tp].end()) return V.size();
	return upper_bound(all(V), ( (*next(hint)) + (*hint)) >> 1) - V.begin();
}
 
void SegGet(int qn){
	//cerr << "? " << pl << '\n';
	int pl = y[qn];
	//MN = Get(1, (lower_bound(all(V), pl) - V.begin()), V.size(), 0, SGN);
	MN = Get( lower_bound(all(V), pl) - V.begin() );
	//cerr << qn << ' ' << MN << '\n';
	ans[qn] = max(ans[qn], pl - MN);
	//if(CNT != k) return -1;
	//return max(MX - pl, pl - MN);
}
priority_queue<int, vector<int>, greater<int> > ms[N], msR[N];
 
inline void Norm(int idx){
	priority_queue<int, vector<int>, greater<int> > &AA = msR[idx];
	priority_queue<int, vector<int>, greater<int> > &BB = ms[idx];
	while(!AA.empty() && AA.top() == BB.top()){
		AA.pop();
		BB.pop();
	}
}
//multiset<int> ms[N];
inline void SegRem(int tp, int pl){
	int ran = GetRange(tp);
	
	if(ran == 0) return ;
	ran --;
	msR[ran].push(pl);
	Norm(ran);
	//ms[ran.S - 1].erase(ms[ran.S - 1].find(ran.F));
	Set(ran, (ms[ran].empty() ? Inf : ms[ran].top()));
	//Rem(1, ran.F, ran.S, pl, 0, V.size());
}
inline void SegAdd(int tp, int pl){
	int ran = GetRange(tp);
	if(ran == 0) return ;
	ran --;
 
	ms[ran].push(pl);
	Norm(ran);
	//debug(ran.S - 1);
	Set(ran, ms[ran].top());
	//Ins(1, ran.F, ran.S, pl, 0, V.size());
}
inline void SegRemNoSet(int tp, int pl){
	int ran = GetRange(tp);
	
	if(ran == 0) return ;
	ran --;
	msR[ran].push(pl);
	Norm(ran);
	//ms[ran.S - 1].erase(ms[ran.S - 1].find(ran.F));
	//Set(ran, (ms[ran].empty() ? Inf : ms[ran].top()));
	//Rem(1, ran.F, ran.S, pl, 0, V.size());
}
/*
inline void SegAddNoSet(int tp, int pl){
	int ran = GetRange(tp);
	if(ran == 0) return ;
	ran --;
 
	ms[ran].push(pl);
	//Norm(ran);
	//debug(ran.S - 1);
	//Set(ran, ms[ran].top());
	//Ins(1, ran.F, ran.S, pl, 0, V.size());
}
*/
void Add(int tp, int pl){
	//cerr << "+ " << tp << ' ' << pl << '\n';
	//mp[tp][pl] ++;
	//if(mp[tp][pl] > 1) return ;
 
	auto it = rec[tp].lower_bound(pl);
	int la = -1;
	//if(it != rec[tp].end()) nx = *it;
	if(it != rec[tp].begin()) la = *prev(it);
	//if(nx != -1) SegRem(tp, nx);
	if(la != -1){
		hint = prev(it);
		SegRem(tp, la);
 	}
	//rec[tp].insert(pl);
 	it = rec[tp].insert(it, pl);
	//if(nx != -1) SegAdd(tp, nx);
	//it = rec[tp].find(pl);
	if(la != -1){
		hint = prev(it);
		SegAdd(tp, la);
	}
	hint = it;
	SegAdd(tp, pl);
}
void Erase(int tp, int pl){
	//cerr << "- " << tp << ' ' << pl << '\n';
	//mp[tp][pl] --;
	//if(mp[tp][pl] > 0) return ;
 
	auto it = rec[tp].find(pl);
	int la = -1;
	
	//if(Next(it) != rec[tp].end()) nx = *Next(it);
	if(it != rec[tp].begin()){
		hint = prev(it);
		la = *hint;
	}
	//if(nx != -1) SegRem(tp, nx);
	if(la != -1){
		//hint = Prev(it);
		SegRemNoSet(tp, la);
	}

	hint = it;
	SegRem(tp, pl);
 
	it = rec[tp].erase(it);
	
	//if(nx != -1) SegAdd(tp, nx);
	if(la != -1){
		hint = --it;
		SegAdd(tp, la);
	}
}
 
vector<int> Ea[N], Er[N], Eq[N];
 
 
int flg[N], open[N], cntn;
 
vector<pii> Alt;
int Alti[N], cnti[N];

int main(){
	//ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	//freopen("Big.txt", "r", stdin);
	//freopen("Out.txt", "w", stdout);
 
	//clock_t StartTime = clock();
	scanf("%d%d%d", &n, &k, &q);

	//cin >> n >> k >> q;
	for(int i = 1; i <= n; i++){
		scanf("%d%d%d%d", x + i, t + i, a + i, b + i);
		Alt.pb({x[i], t[i]});
		//cin >> x[i] >> t[i] >> a[i] >> b[i];
		b[i] ++;
		//V.pb(a[i]); V.pb(b[i]);
	}
	sort(all(Alt)); Alt.resize(unique(all(Alt)) - Alt.begin());
	for(int i = 1; i <= n; i++)
		Alti[i] = lower_bound(all(Alt), pii(x[i], t[i])) - Alt.begin();

	for(int i = 1; i <= q; i++){
		scanf("%d%d", y + i, c + i);
		//cin >> y[i] >> c[i];
		V.pb(c[i]);
	}
 
	sort(all(V)); V.resize(unique(all(V)) - V.begin());
	V.pb(1e8 + 1);
	int AllT = V.size();
	assert(AllT < N);
	for(int i = 1; i <= n; i++){
		a[i] = lower_bound(all(V), a[i]) - V.begin();
		b[i] = lower_bound(all(V), b[i]) - V.begin();
		Ea[a[i]].pb(i);
		Er[b[i]].pb(i);
		//cerr << "!!! " << a[i] << ' ' << b[i] << '\n';
	}
	for(int i = 1; i <= q; i++){
		c[i] = (lower_bound(all(V), c[i]) - V.begin() );
		Eq[c[i]].pb(i);
		//cerr << "? " << c[i] << '\n';
	}
 
	V.clear();
	//for(int i = 1; i <= n; i++) V.pb(x[i]);
	for(int i = 1; i <= q; i++) V.pb(y[i]);
	sort(all(V)); V.resize(unique(all(V)) - V.begin());
 
	memset(seg, 31, sizeof seg);
 
	for(int tm = 0; tm < AllT; tm++){
		for(auto i : Ea[tm]){
			cnti[Alti[i]] ++;
			if(cnti[Alti[i]] == 1) Add(t[i], x[i]);
			open[t[i]] ++;
			if(open[t[i]] == 1) cntn ++;
		}
		for(auto i : Er[tm]){
			cnti[Alti[i]] --;
			if(cnti[Alti[i]] == 0) Erase(t[i], x[i]);
			open[t[i]] --;
			if(open[t[i]] == 0) cntn --;
		}
		for(auto i : Eq[tm]){
			SegGet(i);
			//cerr << i << ' ' << c
			if(cntn < k) flg[i] = true;
		}
		//cerr << '\n';
	}
	//if(n == 300000) assert(false);

	int SM = 100000001;
	for(int i = 1; i <= n; i ++) x[i] = SM - x[i];
	for(int i = 1; i <= q; i ++) y[i] = SM - y[i];
	for(auto &el : V)
		if(el < SM)
			el = SM - el;
	sort(all(V)); V.resize(unique(all(V)) - V.begin());
	
	memset(seg, 31, sizeof seg);	
	for(int tm = 0; tm < AllT; tm++){
		for(auto i : Ea[tm]){
			cnti[Alti[i]] ++;
			if(cnti[Alti[i]] == 1) Add(t[i], x[i]);
		}
		for(auto i : Er[tm]){
			cnti[Alti[i]] --;
			if(cnti[Alti[i]] == 0) Erase(t[i], x[i]);
		}
		for(auto i : Eq[tm])
			SegGet(i);
		//cerr << '\n';
	}
 	
 
 
	for(int i = 1; i <= q; i++) printf("%d\n", (flg[i] ? -1 : ans[i]) );
	
 
	//cerr << fixed << setprecision(4) << (double)(clock() - StartTime)/CLOCKS_PER_SEC << '\n';
	return 0;
}
/*
4 2 4
3 1 1 10
9 2 2 4
7 2 5 7
4 1 8 10
5 3
5 6
5 9
1 10
 
2 1 3
1 1 1 4
1 1 2 6
1 3
1 5
1 7
 
1 1 1
100000000 1 1 1
1 1
 
*/

Compilation message

new_home.cpp: In function 'int main()':
new_home.cpp:260:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d", &n, &k, &q);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:264:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d%d", x + i, t + i, a + i, b + i);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:275:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", y + i, c + i);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 34 ms 58488 KB Output is correct
2 Correct 35 ms 58616 KB Output is correct
3 Correct 35 ms 58488 KB Output is correct
4 Incorrect 34 ms 58488 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 34 ms 58488 KB Output is correct
2 Correct 35 ms 58616 KB Output is correct
3 Correct 35 ms 58488 KB Output is correct
4 Incorrect 34 ms 58488 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2841 ms 119760 KB Output is correct
2 Correct 4561 ms 121712 KB Output is correct
3 Correct 1333 ms 107948 KB Output is correct
4 Correct 2618 ms 118112 KB Output is correct
5 Correct 3818 ms 121284 KB Output is correct
6 Correct 4082 ms 121580 KB Output is correct
7 Correct 1272 ms 108124 KB Output is correct
8 Correct 2029 ms 117564 KB Output is correct
9 Correct 2532 ms 121576 KB Output is correct
10 Correct 3098 ms 122332 KB Output is correct
11 Correct 1720 ms 121120 KB Output is correct
12 Correct 1836 ms 122208 KB Output is correct

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4416 ms 127836 KB Output is correct
2 Correct 343 ms 77404 KB Output is correct
3 Execution timed out 5057 ms 125344 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 34 ms 58488 KB Output is correct
2 Correct 35 ms 58616 KB Output is correct
3 Correct 35 ms 58488 KB Output is correct
4 Incorrect 34 ms 58488 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 34 ms 58488 KB Output is correct
2 Correct 35 ms 58616 KB Output is correct
3 Correct 35 ms 58488 KB Output is correct
4 Incorrect 34 ms 58488 KB Output isn't correct
5 Halted 0 ms 0 KB -