oj.uz

Submission #258386

# Submission time Handle Problem Language Result Execution time Memory
258386 2020-08-05T21:04:42 Z amoo_safar New Home (APIO18_new_home) C++14
47 / 100
 5000 ms 160408 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){
	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){
	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:231:7: 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:235:8: 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:241:8: 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 40 ms 72568 KB Output is correct
2 Correct 41 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 42 ms 72568 KB Output is correct
6 Correct 42 ms 72708 KB Output is correct
7 Correct 47 ms 72704 KB Output is correct
8 Correct 41 ms 72696 KB Output is correct
9 Correct 47 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 72704 KB Output is correct
13 Correct 42 ms 72696 KB Output is correct
14 Correct 42 ms 72696 KB Output is correct
15 Correct 49 ms 72696 KB Output is correct
16 Correct 43 ms 72696 KB Output is correct
17 Correct 61 ms 72696 KB Output is correct
18 Correct 49 ms 72696 KB Output is correct
19 Correct 46 ms 72700 KB Output is correct
20 Correct 48 ms 72704 KB Output is correct
21 Correct 41 ms 72568 KB Output is correct
22 Correct 42 ms 72704 KB Output is correct
23 Correct 55 ms 72704 KB Output is correct
24 Correct 39 ms 72696 KB Output is correct
25 Correct 39 ms 72696 KB Output is correct
26 Correct 39 ms 72704 KB Output is correct
27 Correct 39 ms 72576 KB Output is correct
28 Correct 40 ms 72704 KB Output is correct
29 Correct 39 ms 72696 KB Output is correct
30 Correct 42 ms 72696 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 72568 KB Output is correct
2 Correct 41 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 42 ms 72568 KB Output is correct
6 Correct 42 ms 72708 KB Output is correct
7 Correct 47 ms 72704 KB Output is correct
8 Correct 41 ms 72696 KB Output is correct
9 Correct 47 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 72704 KB Output is correct
13 Correct 42 ms 72696 KB Output is correct
14 Correct 42 ms 72696 KB Output is correct
15 Correct 49 ms 72696 KB Output is correct
16 Correct 43 ms 72696 KB Output is correct
17 Correct 61 ms 72696 KB Output is correct
18 Correct 49 ms 72696 KB Output is correct
19 Correct 46 ms 72700 KB Output is correct
20 Correct 48 ms 72704 KB Output is correct
21 Correct 41 ms 72568 KB Output is correct
22 Correct 42 ms 72704 KB Output is correct
23 Correct 55 ms 72704 KB Output is correct
24 Correct 39 ms 72696 KB Output is correct
25 Correct 39 ms 72696 KB Output is correct
26 Correct 39 ms 72704 KB Output is correct
27 Correct 39 ms 72576 KB Output is correct
28 Correct 40 ms 72704 KB Output is correct
29 Correct 39 ms 72696 KB Output is correct
30 Correct 42 ms 72696 KB Output is correct
31 Correct 1034 ms 91116 KB Output is correct
32 Correct 119 ms 75792 KB Output is correct
33 Correct 988 ms 88668 KB Output is correct
34 Correct 889 ms 88840 KB Output is correct
35 Correct 890 ms 91284 KB Output is correct
36 Correct 896 ms 90868 KB Output is correct
37 Correct 587 ms 88564 KB Output is correct
38 Correct 568 ms 88224 KB Output is correct
39 Correct 456 ms 88308 KB Output is correct
40 Correct 490 ms 88384 KB Output is correct
41 Correct 601 ms 88052 KB Output is correct
42 Correct 624 ms 88180 KB Output is correct
43 Correct 97 ms 76320 KB Output is correct
44 Correct 601 ms 88308 KB Output is correct
45 Correct 552 ms 88180 KB Output is correct
46 Correct 552 ms 87960 KB Output is correct
47 Correct 320 ms 86900 KB Output is correct
48 Correct 394 ms 87028 KB Output is correct
49 Correct 359 ms 87284 KB Output is correct
50 Correct 390 ms 87284 KB Output is correct
51 Correct 380 ms 87388 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3326 ms 157004 KB Output is correct
2 Execution timed out 5100 ms 156608 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 5097 ms 160408 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 72568 KB Output is correct
2 Correct 41 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 42 ms 72568 KB Output is correct
6 Correct 42 ms 72708 KB Output is correct
7 Correct 47 ms 72704 KB Output is correct
8 Correct 41 ms 72696 KB Output is correct
9 Correct 47 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 72704 KB Output is correct
13 Correct 42 ms 72696 KB Output is correct
14 Correct 42 ms 72696 KB Output is correct
15 Correct 49 ms 72696 KB Output is correct
16 Correct 43 ms 72696 KB Output is correct
17 Correct 61 ms 72696 KB Output is correct
18 Correct 49 ms 72696 KB Output is correct
19 Correct 46 ms 72700 KB Output is correct
20 Correct 48 ms 72704 KB Output is correct
21 Correct 41 ms 72568 KB Output is correct
22 Correct 42 ms 72704 KB Output is correct
23 Correct 55 ms 72704 KB Output is correct
24 Correct 39 ms 72696 KB Output is correct
25 Correct 39 ms 72696 KB Output is correct
26 Correct 39 ms 72704 KB Output is correct
27 Correct 39 ms 72576 KB Output is correct
28 Correct 40 ms 72704 KB Output is correct
29 Correct 39 ms 72696 KB Output is correct
30 Correct 42 ms 72696 KB Output is correct
31 Correct 1034 ms 91116 KB Output is correct
32 Correct 119 ms 75792 KB Output is correct
33 Correct 988 ms 88668 KB Output is correct
34 Correct 889 ms 88840 KB Output is correct
35 Correct 890 ms 91284 KB Output is correct
36 Correct 896 ms 90868 KB Output is correct
37 Correct 587 ms 88564 KB Output is correct
38 Correct 568 ms 88224 KB Output is correct
39 Correct 456 ms 88308 KB Output is correct
40 Correct 490 ms 88384 KB Output is correct
41 Correct 601 ms 88052 KB Output is correct
42 Correct 624 ms 88180 KB Output is correct
43 Correct 97 ms 76320 KB Output is correct
44 Correct 601 ms 88308 KB Output is correct
45 Correct 552 ms 88180 KB Output is correct
46 Correct 552 ms 87960 KB Output is correct
47 Correct 320 ms 86900 KB Output is correct
48 Correct 394 ms 87028 KB Output is correct
49 Correct 359 ms 87284 KB Output is correct
50 Correct 390 ms 87284 KB Output is correct
51 Correct 380 ms 87388 KB Output is correct
52 Correct 431 ms 87512 KB Output is correct
53 Correct 379 ms 85476 KB Output is correct
54 Correct 556 ms 89972 KB Output is correct
55 Correct 480 ms 88696 KB Output is correct
56 Correct 426 ms 88820 KB Output is correct
57 Correct 514 ms 88284 KB Output is correct
58 Correct 491 ms 88308 KB Output is correct
59 Correct 542 ms 88436 KB Output is correct
60 Correct 562 ms 87796 KB Output is correct
61 Correct 150 ms 84956 KB Output is correct
62 Correct 360 ms 87416 KB Output is correct
63 Correct 482 ms 89052 KB Output is correct
64 Correct 509 ms 88948 KB Output is correct
65 Correct 611 ms 88332 KB Output is correct
66 Correct 555 ms 88052 KB Output is correct
67 Correct 306 ms 83016 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 72568 KB Output is correct
2 Correct 41 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 42 ms 72568 KB Output is correct
6 Correct 42 ms 72708 KB Output is correct
7 Correct 47 ms 72704 KB Output is correct
8 Correct 41 ms 72696 KB Output is correct
9 Correct 47 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 72704 KB Output is correct
13 Correct 42 ms 72696 KB Output is correct
14 Correct 42 ms 72696 KB Output is correct
15 Correct 49 ms 72696 KB Output is correct
16 Correct 43 ms 72696 KB Output is correct
17 Correct 61 ms 72696 KB Output is correct
18 Correct 49 ms 72696 KB Output is correct
19 Correct 46 ms 72700 KB Output is correct
20 Correct 48 ms 72704 KB Output is correct
21 Correct 41 ms 72568 KB Output is correct
22 Correct 42 ms 72704 KB Output is correct
23 Correct 55 ms 72704 KB Output is correct
24 Correct 39 ms 72696 KB Output is correct
25 Correct 39 ms 72696 KB Output is correct
26 Correct 39 ms 72704 KB Output is correct
27 Correct 39 ms 72576 KB Output is correct
28 Correct 40 ms 72704 KB Output is correct
29 Correct 39 ms 72696 KB Output is correct
30 Correct 42 ms 72696 KB Output is correct
31 Correct 1034 ms 91116 KB Output is correct
32 Correct 119 ms 75792 KB Output is correct
33 Correct 988 ms 88668 KB Output is correct
34 Correct 889 ms 88840 KB Output is correct
35 Correct 890 ms 91284 KB Output is correct
36 Correct 896 ms 90868 KB Output is correct
37 Correct 587 ms 88564 KB Output is correct
38 Correct 568 ms 88224 KB Output is correct
39 Correct 456 ms 88308 KB Output is correct
40 Correct 490 ms 88384 KB Output is correct
41 Correct 601 ms 88052 KB Output is correct
42 Correct 624 ms 88180 KB Output is correct
43 Correct 97 ms 76320 KB Output is correct
44 Correct 601 ms 88308 KB Output is correct
45 Correct 552 ms 88180 KB Output is correct
46 Correct 552 ms 87960 KB Output is correct
47 Correct 320 ms 86900 KB Output is correct
48 Correct 394 ms 87028 KB Output is correct
49 Correct 359 ms 87284 KB Output is correct
50 Correct 390 ms 87284 KB Output is correct
51 Correct 380 ms 87388 KB Output is correct
52 Correct 3326 ms 157004 KB Output is correct
53 Execution timed out 5100 ms 156608 KB Time limit exceeded
54 Halted 0 ms 0 KB -