oj.uz

Submission #258381

# Submission time Handle Problem Language Result Execution time Memory
258381 2020-08-05T21:00:08 Z amoo_safar New Home (APIO18_new_home) C++14
47 / 100
 5000 ms 161320 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';
	}
	//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])
			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 50 ms 72568 KB Output is correct
2 Correct 47 ms 72568 KB Output is correct
3 Correct 41 ms 72568 KB Output is correct
4 Correct 46 ms 72568 KB Output is correct
5 Correct 43 ms 72576 KB Output is correct
6 Correct 42 ms 72696 KB Output is correct
7 Correct 42 ms 72696 KB Output is correct
8 Correct 49 ms 72696 KB Output is correct
9 Correct 42 ms 72696 KB Output is correct
10 Correct 49 ms 72696 KB Output is correct
11 Correct 41 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 44 ms 72696 KB Output is correct
15 Correct 43 ms 72696 KB Output is correct
16 Correct 49 ms 72696 KB Output is correct
17 Correct 42 ms 72696 KB Output is correct
18 Correct 49 ms 72680 KB Output is correct
19 Correct 43 ms 72704 KB Output is correct
20 Correct 52 ms 72696 KB Output is correct
21 Correct 43 ms 72696 KB Output is correct
22 Correct 51 ms 72656 KB Output is correct
23 Correct 42 ms 72704 KB Output is correct
24 Correct 49 ms 72704 KB Output is correct
25 Correct 53 ms 72696 KB Output is correct
26 Correct 42 ms 72704 KB Output is correct
27 Correct 48 ms 72568 KB Output is correct
28 Correct 43 ms 72608 KB Output is correct
29 Correct 42 ms 72696 KB Output is correct
30 Correct 41 ms 72696 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 72568 KB Output is correct
2 Correct 47 ms 72568 KB Output is correct
3 Correct 41 ms 72568 KB Output is correct
4 Correct 46 ms 72568 KB Output is correct
5 Correct 43 ms 72576 KB Output is correct
6 Correct 42 ms 72696 KB Output is correct
7 Correct 42 ms 72696 KB Output is correct
8 Correct 49 ms 72696 KB Output is correct
9 Correct 42 ms 72696 KB Output is correct
10 Correct 49 ms 72696 KB Output is correct
11 Correct 41 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 44 ms 72696 KB Output is correct
15 Correct 43 ms 72696 KB Output is correct
16 Correct 49 ms 72696 KB Output is correct
17 Correct 42 ms 72696 KB Output is correct
18 Correct 49 ms 72680 KB Output is correct
19 Correct 43 ms 72704 KB Output is correct
20 Correct 52 ms 72696 KB Output is correct
21 Correct 43 ms 72696 KB Output is correct
22 Correct 51 ms 72656 KB Output is correct
23 Correct 42 ms 72704 KB Output is correct
24 Correct 49 ms 72704 KB Output is correct
25 Correct 53 ms 72696 KB Output is correct
26 Correct 42 ms 72704 KB Output is correct
27 Correct 48 ms 72568 KB Output is correct
28 Correct 43 ms 72608 KB Output is correct
29 Correct 42 ms 72696 KB Output is correct
30 Correct 41 ms 72696 KB Output is correct
31 Correct 971 ms 91148 KB Output is correct
32 Correct 116 ms 75380 KB Output is correct
33 Correct 843 ms 88292 KB Output is correct
34 Correct 814 ms 88468 KB Output is correct
35 Correct 873 ms 90996 KB Output is correct
36 Correct 913 ms 90996 KB Output is correct
37 Correct 547 ms 88184 KB Output is correct
38 Correct 610 ms 88052 KB Output is correct
39 Correct 450 ms 87924 KB Output is correct
40 Correct 462 ms 88124 KB Output is correct
41 Correct 529 ms 87784 KB Output is correct
42 Correct 530 ms 87756 KB Output is correct
43 Correct 97 ms 76060 KB Output is correct
44 Correct 523 ms 87924 KB Output is correct
45 Correct 525 ms 87924 KB Output is correct
46 Correct 580 ms 87536 KB Output is correct
47 Correct 316 ms 86532 KB Output is correct
48 Correct 321 ms 86900 KB Output is correct
49 Correct 358 ms 87156 KB Output is correct
50 Correct 451 ms 87032 KB Output is correct
51 Correct 463 ms 87156 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3446 ms 156836 KB Output is correct
2 Execution timed out 5074 ms 161320 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 5065 ms 160164 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 72568 KB Output is correct
2 Correct 47 ms 72568 KB Output is correct
3 Correct 41 ms 72568 KB Output is correct
4 Correct 46 ms 72568 KB Output is correct
5 Correct 43 ms 72576 KB Output is correct
6 Correct 42 ms 72696 KB Output is correct
7 Correct 42 ms 72696 KB Output is correct
8 Correct 49 ms 72696 KB Output is correct
9 Correct 42 ms 72696 KB Output is correct
10 Correct 49 ms 72696 KB Output is correct
11 Correct 41 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 44 ms 72696 KB Output is correct
15 Correct 43 ms 72696 KB Output is correct
16 Correct 49 ms 72696 KB Output is correct
17 Correct 42 ms 72696 KB Output is correct
18 Correct 49 ms 72680 KB Output is correct
19 Correct 43 ms 72704 KB Output is correct
20 Correct 52 ms 72696 KB Output is correct
21 Correct 43 ms 72696 KB Output is correct
22 Correct 51 ms 72656 KB Output is correct
23 Correct 42 ms 72704 KB Output is correct
24 Correct 49 ms 72704 KB Output is correct
25 Correct 53 ms 72696 KB Output is correct
26 Correct 42 ms 72704 KB Output is correct
27 Correct 48 ms 72568 KB Output is correct
28 Correct 43 ms 72608 KB Output is correct
29 Correct 42 ms 72696 KB Output is correct
30 Correct 41 ms 72696 KB Output is correct
31 Correct 971 ms 91148 KB Output is correct
32 Correct 116 ms 75380 KB Output is correct
33 Correct 843 ms 88292 KB Output is correct
34 Correct 814 ms 88468 KB Output is correct
35 Correct 873 ms 90996 KB Output is correct
36 Correct 913 ms 90996 KB Output is correct
37 Correct 547 ms 88184 KB Output is correct
38 Correct 610 ms 88052 KB Output is correct
39 Correct 450 ms 87924 KB Output is correct
40 Correct 462 ms 88124 KB Output is correct
41 Correct 529 ms 87784 KB Output is correct
42 Correct 530 ms 87756 KB Output is correct
43 Correct 97 ms 76060 KB Output is correct
44 Correct 523 ms 87924 KB Output is correct
45 Correct 525 ms 87924 KB Output is correct
46 Correct 580 ms 87536 KB Output is correct
47 Correct 316 ms 86532 KB Output is correct
48 Correct 321 ms 86900 KB Output is correct
49 Correct 358 ms 87156 KB Output is correct
50 Correct 451 ms 87032 KB Output is correct
51 Correct 463 ms 87156 KB Output is correct
52 Correct 369 ms 87316 KB Output is correct
53 Correct 361 ms 85408 KB Output is correct
54 Correct 560 ms 89756 KB Output is correct
55 Correct 496 ms 88436 KB Output is correct
56 Correct 452 ms 88564 KB Output is correct
57 Correct 592 ms 87996 KB Output is correct
58 Correct 510 ms 88180 KB Output is correct
59 Correct 484 ms 88216 KB Output is correct
60 Correct 610 ms 87668 KB Output is correct
61 Correct 150 ms 84640 KB Output is correct
62 Correct 370 ms 87284 KB Output is correct
63 Correct 494 ms 88824 KB Output is correct
64 Correct 511 ms 88820 KB Output is correct
65 Correct 713 ms 88052 KB Output is correct
66 Correct 536 ms 88052 KB Output is correct
67 Correct 300 ms 82932 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 72568 KB Output is correct
2 Correct 47 ms 72568 KB Output is correct
3 Correct 41 ms 72568 KB Output is correct
4 Correct 46 ms 72568 KB Output is correct
5 Correct 43 ms 72576 KB Output is correct
6 Correct 42 ms 72696 KB Output is correct
7 Correct 42 ms 72696 KB Output is correct
8 Correct 49 ms 72696 KB Output is correct
9 Correct 42 ms 72696 KB Output is correct
10 Correct 49 ms 72696 KB Output is correct
11 Correct 41 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 44 ms 72696 KB Output is correct
15 Correct 43 ms 72696 KB Output is correct
16 Correct 49 ms 72696 KB Output is correct
17 Correct 42 ms 72696 KB Output is correct
18 Correct 49 ms 72680 KB Output is correct
19 Correct 43 ms 72704 KB Output is correct
20 Correct 52 ms 72696 KB Output is correct
21 Correct 43 ms 72696 KB Output is correct
22 Correct 51 ms 72656 KB Output is correct
23 Correct 42 ms 72704 KB Output is correct
24 Correct 49 ms 72704 KB Output is correct
25 Correct 53 ms 72696 KB Output is correct
26 Correct 42 ms 72704 KB Output is correct
27 Correct 48 ms 72568 KB Output is correct
28 Correct 43 ms 72608 KB Output is correct
29 Correct 42 ms 72696 KB Output is correct
30 Correct 41 ms 72696 KB Output is correct
31 Correct 971 ms 91148 KB Output is correct
32 Correct 116 ms 75380 KB Output is correct
33 Correct 843 ms 88292 KB Output is correct
34 Correct 814 ms 88468 KB Output is correct
35 Correct 873 ms 90996 KB Output is correct
36 Correct 913 ms 90996 KB Output is correct
37 Correct 547 ms 88184 KB Output is correct
38 Correct 610 ms 88052 KB Output is correct
39 Correct 450 ms 87924 KB Output is correct
40 Correct 462 ms 88124 KB Output is correct
41 Correct 529 ms 87784 KB Output is correct
42 Correct 530 ms 87756 KB Output is correct
43 Correct 97 ms 76060 KB Output is correct
44 Correct 523 ms 87924 KB Output is correct
45 Correct 525 ms 87924 KB Output is correct
46 Correct 580 ms 87536 KB Output is correct
47 Correct 316 ms 86532 KB Output is correct
48 Correct 321 ms 86900 KB Output is correct
49 Correct 358 ms 87156 KB Output is correct
50 Correct 451 ms 87032 KB Output is correct
51 Correct 463 ms 87156 KB Output is correct
52 Correct 3446 ms 156836 KB Output is correct
53 Execution timed out 5074 ms 161320 KB Time limit exceeded
54 Halted 0 ms 0 KB -