oj.uz

Submission #258352

# Submission time Handle Problem Language Result Execution time Memory
258352 2020-08-05T18:56:02 Z amoo_safar New Home (APIO18_new_home) C++14
47 / 100
 5000 ms 161568 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,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);
}
*/
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>
T Prev(T A){return --A; };
template<typename T>
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;
pii GetRange(int tp, int pl){
	set<int>::iterator it = hint;
	int resL = pl, resR;
	/*
	if(it == rec[tp].begin()) resL = 1;
	else resL = ( (*Prev(it)) + (*it)) / 2 + 1;
 	*/
	if(Next(it) == rec[tp].end()) resR = 1e8;
	else resR = ( (*Next(it)) + (*it)) / 2;
	return pii(resL, resR);
}
 
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){
	while(!msR[idx].empty() && ms[idx].top() == msR[idx].top()){
		msR[idx].pop();
		ms[idx].pop();
	}
}
//multiset<int> ms[N];
inline void SegRem(int tp, int pl){
	pii ran = GetRange(GetRange(tp, pl));
	
	if(ran.S == 0) return ;
	ran.S --;
	msR[ran.S].push(ran.F);
	Norm(ran.S);
	//ms[ran.S - 1].erase(ms[ran.S - 1].find(ran.F));
	Set(ran.S, (ms[ran.S].empty() ? Inf : ms[ran.S].top()));
	//Rem(1, ran.F, ran.S, pl, 0, V.size());
}
inline void SegAdd(int tp, int pl){
	pii ran = GetRange(GetRange(tp, pl));
	if(ran.S == 0) return ;
	ran.S --;
 
	ms[ran.S].push(ran.F);
	Norm(ran.S);
	//debug(ran.S - 1);
	Set(ran.S, ms[ran.S].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);
		SegRem(tp, la);
	}

	hint = it;
	SegRem(tp, pl);
 
	it = rec[tp].erase(it);
	
	//if(nx != -1) SegAdd(tp, nx);
	if(la != -1){
		hint = Prev(it);
		SegAdd(tp, la);
	}
}
 
vector<int> Ea[N], Er[N], Eq[N];
 
 
int flg[N], open[N], cntn;
 
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);
		//cin >> x[i] >> t[i] >> a[i] >> b[i];
		b[i] ++;
		//V.pb(a[i]); V.pb(b[i]);
	}
	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]){
			Add(t[i], x[i]);
			open[t[i]] ++;
			if(open[t[i]] == 1) cntn ++;
		}
		for(auto i : Er[tm]){
			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';
	}
	
	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])
			Add(t[i], x[i]);
		for(auto i : Er[tm])
			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:229:7: 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:233:8: 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:239:8: 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
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 72568 KB Output is correct
2 Correct 42 ms 72568 KB Output is correct
3 Correct 42 ms 72568 KB Output is correct
4 Correct 41 ms 72568 KB Output is correct
5 Correct 43 ms 72568 KB Output is correct
6 Correct 43 ms 72700 KB Output is correct
7 Correct 43 ms 72696 KB Output is correct
8 Correct 42 ms 72696 KB Output is correct
9 Correct 43 ms 72696 KB Output is correct
10 Correct 48 ms 72696 KB Output is correct
11 Correct 43 ms 72696 KB Output is correct
12 Correct 48 ms 72696 KB Output is correct
13 Correct 42 ms 72696 KB Output is correct
14 Correct 42 ms 72680 KB Output is correct
15 Correct 42 ms 72696 KB Output is correct
16 Correct 45 ms 72696 KB Output is correct
17 Correct 43 ms 72696 KB Output is correct
18 Correct 42 ms 72696 KB Output is correct
19 Correct 44 ms 72696 KB Output is correct
20 Correct 43 ms 72696 KB Output is correct
21 Correct 44 ms 72696 KB Output is correct
22 Correct 42 ms 72696 KB Output is correct
23 Correct 44 ms 72696 KB Output is correct
24 Correct 43 ms 72696 KB Output is correct
25 Correct 43 ms 72696 KB Output is correct
26 Correct 43 ms 72696 KB Output is correct
27 Correct 43 ms 72568 KB Output is correct
28 Correct 43 ms 72704 KB Output is correct
29 Correct 46 ms 72696 KB Output is correct
30 Correct 45 ms 72696 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 72568 KB Output is correct
2 Correct 42 ms 72568 KB Output is correct
3 Correct 42 ms 72568 KB Output is correct
4 Correct 41 ms 72568 KB Output is correct
5 Correct 43 ms 72568 KB Output is correct
6 Correct 43 ms 72700 KB Output is correct
7 Correct 43 ms 72696 KB Output is correct
8 Correct 42 ms 72696 KB Output is correct
9 Correct 43 ms 72696 KB Output is correct
10 Correct 48 ms 72696 KB Output is correct
11 Correct 43 ms 72696 KB Output is correct
12 Correct 48 ms 72696 KB Output is correct
13 Correct 42 ms 72696 KB Output is correct
14 Correct 42 ms 72680 KB Output is correct
15 Correct 42 ms 72696 KB Output is correct
16 Correct 45 ms 72696 KB Output is correct
17 Correct 43 ms 72696 KB Output is correct
18 Correct 42 ms 72696 KB Output is correct
19 Correct 44 ms 72696 KB Output is correct
20 Correct 43 ms 72696 KB Output is correct
21 Correct 44 ms 72696 KB Output is correct
22 Correct 42 ms 72696 KB Output is correct
23 Correct 44 ms 72696 KB Output is correct
24 Correct 43 ms 72696 KB Output is correct
25 Correct 43 ms 72696 KB Output is correct
26 Correct 43 ms 72696 KB Output is correct
27 Correct 43 ms 72568 KB Output is correct
28 Correct 43 ms 72704 KB Output is correct
29 Correct 46 ms 72696 KB Output is correct
30 Correct 45 ms 72696 KB Output is correct
31 Correct 863 ms 92912 KB Output is correct
32 Correct 111 ms 76404 KB Output is correct
33 Correct 876 ms 90356 KB Output is correct
34 Correct 844 ms 90868 KB Output is correct
35 Correct 977 ms 92988 KB Output is correct
36 Correct 877 ms 92684 KB Output is correct
37 Correct 546 ms 90292 KB Output is correct
38 Correct 564 ms 89972 KB Output is correct
39 Correct 445 ms 89972 KB Output is correct
40 Correct 474 ms 90100 KB Output is correct
41 Correct 517 ms 89844 KB Output is correct
42 Correct 555 ms 90000 KB Output is correct
43 Correct 101 ms 77984 KB Output is correct
44 Correct 550 ms 89864 KB Output is correct
45 Correct 518 ms 89844 KB Output is correct
46 Correct 554 ms 89536 KB Output is correct
47 Correct 332 ms 88648 KB Output is correct
48 Correct 324 ms 89076 KB Output is correct
49 Correct 357 ms 89076 KB Output is correct
50 Correct 399 ms 89336 KB Output is correct
51 Correct 369 ms 89208 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3467 ms 158276 KB Output is correct
2 Execution timed out 5070 ms 158328 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5087 ms 161568 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 72568 KB Output is correct
2 Correct 42 ms 72568 KB Output is correct
3 Correct 42 ms 72568 KB Output is correct
4 Correct 41 ms 72568 KB Output is correct
5 Correct 43 ms 72568 KB Output is correct
6 Correct 43 ms 72700 KB Output is correct
7 Correct 43 ms 72696 KB Output is correct
8 Correct 42 ms 72696 KB Output is correct
9 Correct 43 ms 72696 KB Output is correct
10 Correct 48 ms 72696 KB Output is correct
11 Correct 43 ms 72696 KB Output is correct
12 Correct 48 ms 72696 KB Output is correct
13 Correct 42 ms 72696 KB Output is correct
14 Correct 42 ms 72680 KB Output is correct
15 Correct 42 ms 72696 KB Output is correct
16 Correct 45 ms 72696 KB Output is correct
17 Correct 43 ms 72696 KB Output is correct
18 Correct 42 ms 72696 KB Output is correct
19 Correct 44 ms 72696 KB Output is correct
20 Correct 43 ms 72696 KB Output is correct
21 Correct 44 ms 72696 KB Output is correct
22 Correct 42 ms 72696 KB Output is correct
23 Correct 44 ms 72696 KB Output is correct
24 Correct 43 ms 72696 KB Output is correct
25 Correct 43 ms 72696 KB Output is correct
26 Correct 43 ms 72696 KB Output is correct
27 Correct 43 ms 72568 KB Output is correct
28 Correct 43 ms 72704 KB Output is correct
29 Correct 46 ms 72696 KB Output is correct
30 Correct 45 ms 72696 KB Output is correct
31 Correct 863 ms 92912 KB Output is correct
32 Correct 111 ms 76404 KB Output is correct
33 Correct 876 ms 90356 KB Output is correct
34 Correct 844 ms 90868 KB Output is correct
35 Correct 977 ms 92988 KB Output is correct
36 Correct 877 ms 92684 KB Output is correct
37 Correct 546 ms 90292 KB Output is correct
38 Correct 564 ms 89972 KB Output is correct
39 Correct 445 ms 89972 KB Output is correct
40 Correct 474 ms 90100 KB Output is correct
41 Correct 517 ms 89844 KB Output is correct
42 Correct 555 ms 90000 KB Output is correct
43 Correct 101 ms 77984 KB Output is correct
44 Correct 550 ms 89864 KB Output is correct
45 Correct 518 ms 89844 KB Output is correct
46 Correct 554 ms 89536 KB Output is correct
47 Correct 332 ms 88648 KB Output is correct
48 Correct 324 ms 89076 KB Output is correct
49 Correct 357 ms 89076 KB Output is correct
50 Correct 399 ms 89336 KB Output is correct
51 Correct 369 ms 89208 KB Output is correct
52 Correct 369 ms 89076 KB Output is correct
53 Correct 375 ms 87016 KB Output is correct
54 Correct 591 ms 91532 KB Output is correct
55 Correct 473 ms 90016 KB Output is correct
56 Correct 409 ms 90100 KB Output is correct
57 Correct 541 ms 89716 KB Output is correct
58 Correct 577 ms 89844 KB Output is correct
59 Correct 461 ms 89844 KB Output is correct
60 Correct 517 ms 89312 KB Output is correct
61 Correct 152 ms 86304 KB Output is correct
62 Correct 371 ms 89072 KB Output is correct
63 Correct 569 ms 90552 KB Output is correct
64 Correct 500 ms 90488 KB Output is correct
65 Correct 580 ms 89872 KB Output is correct
66 Correct 568 ms 89716 KB Output is correct
67 Correct 275 ms 84084 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 72568 KB Output is correct
2 Correct 42 ms 72568 KB Output is correct
3 Correct 42 ms 72568 KB Output is correct
4 Correct 41 ms 72568 KB Output is correct
5 Correct 43 ms 72568 KB Output is correct
6 Correct 43 ms 72700 KB Output is correct
7 Correct 43 ms 72696 KB Output is correct
8 Correct 42 ms 72696 KB Output is correct
9 Correct 43 ms 72696 KB Output is correct
10 Correct 48 ms 72696 KB Output is correct
11 Correct 43 ms 72696 KB Output is correct
12 Correct 48 ms 72696 KB Output is correct
13 Correct 42 ms 72696 KB Output is correct
14 Correct 42 ms 72680 KB Output is correct
15 Correct 42 ms 72696 KB Output is correct
16 Correct 45 ms 72696 KB Output is correct
17 Correct 43 ms 72696 KB Output is correct
18 Correct 42 ms 72696 KB Output is correct
19 Correct 44 ms 72696 KB Output is correct
20 Correct 43 ms 72696 KB Output is correct
21 Correct 44 ms 72696 KB Output is correct
22 Correct 42 ms 72696 KB Output is correct
23 Correct 44 ms 72696 KB Output is correct
24 Correct 43 ms 72696 KB Output is correct
25 Correct 43 ms 72696 KB Output is correct
26 Correct 43 ms 72696 KB Output is correct
27 Correct 43 ms 72568 KB Output is correct
28 Correct 43 ms 72704 KB Output is correct
29 Correct 46 ms 72696 KB Output is correct
30 Correct 45 ms 72696 KB Output is correct
31 Correct 863 ms 92912 KB Output is correct
32 Correct 111 ms 76404 KB Output is correct
33 Correct 876 ms 90356 KB Output is correct
34 Correct 844 ms 90868 KB Output is correct
35 Correct 977 ms 92988 KB Output is correct
36 Correct 877 ms 92684 KB Output is correct
37 Correct 546 ms 90292 KB Output is correct
38 Correct 564 ms 89972 KB Output is correct
39 Correct 445 ms 89972 KB Output is correct
40 Correct 474 ms 90100 KB Output is correct
41 Correct 517 ms 89844 KB Output is correct
42 Correct 555 ms 90000 KB Output is correct
43 Correct 101 ms 77984 KB Output is correct
44 Correct 550 ms 89864 KB Output is correct
45 Correct 518 ms 89844 KB Output is correct
46 Correct 554 ms 89536 KB Output is correct
47 Correct 332 ms 88648 KB Output is correct
48 Correct 324 ms 89076 KB Output is correct
49 Correct 357 ms 89076 KB Output is correct
50 Correct 399 ms 89336 KB Output is correct
51 Correct 369 ms 89208 KB Output is correct
52 Correct 3467 ms 158276 KB Output is correct
53 Execution timed out 5070 ms 158328 KB Time limit exceeded
54 Halted 0 ms 0 KB -