oj.uz

Submission #258431

# Submission time Handle Problem Language Result Execution time Memory
258431 2020-08-05T23:05:07 Z amoo_safar New Home (APIO18_new_home) C++11
47 / 100
 5000 ms 134644 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;
int GetRange(int tp){
	set<int>::iterator it = hint;
	int 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 upper_bound(all(V), resR) - 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());
}
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;
 
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:237:7: 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:241:8: 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:252:8: 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 32 ms 58488 KB Output is correct
2 Correct 37 ms 58488 KB Output is correct
3 Correct 33 ms 58488 KB Output is correct
4 Correct 32 ms 58496 KB Output is correct
5 Correct 33 ms 58488 KB Output is correct
6 Correct 37 ms 58624 KB Output is correct
7 Correct 34 ms 58616 KB Output is correct
8 Correct 40 ms 58624 KB Output is correct
9 Correct 34 ms 58616 KB Output is correct
10 Correct 38 ms 58744 KB Output is correct
11 Correct 34 ms 58616 KB Output is correct
12 Correct 38 ms 58744 KB Output is correct
13 Correct 34 ms 58616 KB Output is correct
14 Correct 37 ms 58752 KB Output is correct
15 Correct 36 ms 58616 KB Output is correct
16 Correct 40 ms 58616 KB Output is correct
17 Correct 38 ms 58616 KB Output is correct
18 Correct 41 ms 58616 KB Output is correct
19 Correct 35 ms 58624 KB Output is correct
20 Correct 37 ms 58744 KB Output is correct
21 Correct 33 ms 58616 KB Output is correct
22 Correct 34 ms 58624 KB Output is correct
23 Correct 36 ms 58624 KB Output is correct
24 Correct 36 ms 58616 KB Output is correct
25 Correct 34 ms 58616 KB Output is correct
26 Correct 41 ms 58616 KB Output is correct
27 Correct 36 ms 58624 KB Output is correct
28 Correct 33 ms 58616 KB Output is correct
29 Correct 33 ms 58616 KB Output is correct
30 Correct 35 ms 58752 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 58488 KB Output is correct
2 Correct 37 ms 58488 KB Output is correct
3 Correct 33 ms 58488 KB Output is correct
4 Correct 32 ms 58496 KB Output is correct
5 Correct 33 ms 58488 KB Output is correct
6 Correct 37 ms 58624 KB Output is correct
7 Correct 34 ms 58616 KB Output is correct
8 Correct 40 ms 58624 KB Output is correct
9 Correct 34 ms 58616 KB Output is correct
10 Correct 38 ms 58744 KB Output is correct
11 Correct 34 ms 58616 KB Output is correct
12 Correct 38 ms 58744 KB Output is correct
13 Correct 34 ms 58616 KB Output is correct
14 Correct 37 ms 58752 KB Output is correct
15 Correct 36 ms 58616 KB Output is correct
16 Correct 40 ms 58616 KB Output is correct
17 Correct 38 ms 58616 KB Output is correct
18 Correct 41 ms 58616 KB Output is correct
19 Correct 35 ms 58624 KB Output is correct
20 Correct 37 ms 58744 KB Output is correct
21 Correct 33 ms 58616 KB Output is correct
22 Correct 34 ms 58624 KB Output is correct
23 Correct 36 ms 58624 KB Output is correct
24 Correct 36 ms 58616 KB Output is correct
25 Correct 34 ms 58616 KB Output is correct
26 Correct 41 ms 58616 KB Output is correct
27 Correct 36 ms 58624 KB Output is correct
28 Correct 33 ms 58616 KB Output is correct
29 Correct 33 ms 58616 KB Output is correct
30 Correct 35 ms 58752 KB Output is correct
31 Correct 681 ms 75084 KB Output is correct
32 Correct 98 ms 63088 KB Output is correct
33 Correct 664 ms 73072 KB Output is correct
34 Correct 600 ms 73324 KB Output is correct
35 Correct 683 ms 75248 KB Output is correct
36 Correct 689 ms 74864 KB Output is correct
37 Correct 444 ms 72560 KB Output is correct
38 Correct 448 ms 72176 KB Output is correct
39 Correct 381 ms 72068 KB Output is correct
40 Correct 383 ms 72180 KB Output is correct
41 Correct 405 ms 72048 KB Output is correct
42 Correct 456 ms 71920 KB Output is correct
43 Correct 94 ms 64880 KB Output is correct
44 Correct 397 ms 72072 KB Output is correct
45 Correct 389 ms 71920 KB Output is correct
46 Correct 398 ms 71756 KB Output is correct
47 Correct 249 ms 70768 KB Output is correct
48 Correct 254 ms 71280 KB Output is correct
49 Correct 283 ms 71152 KB Output is correct
50 Correct 316 ms 71408 KB Output is correct
51 Correct 308 ms 71276 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2916 ms 129768 KB Output is correct
2 Correct 4457 ms 129176 KB Output is correct
3 Correct 1450 ms 118492 KB Output is correct
4 Correct 2564 ms 128432 KB Output is correct
5 Correct 4257 ms 130392 KB Output is correct
6 Execution timed out 5009 ms 130668 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5056 ms 134644 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 58488 KB Output is correct
2 Correct 37 ms 58488 KB Output is correct
3 Correct 33 ms 58488 KB Output is correct
4 Correct 32 ms 58496 KB Output is correct
5 Correct 33 ms 58488 KB Output is correct
6 Correct 37 ms 58624 KB Output is correct
7 Correct 34 ms 58616 KB Output is correct
8 Correct 40 ms 58624 KB Output is correct
9 Correct 34 ms 58616 KB Output is correct
10 Correct 38 ms 58744 KB Output is correct
11 Correct 34 ms 58616 KB Output is correct
12 Correct 38 ms 58744 KB Output is correct
13 Correct 34 ms 58616 KB Output is correct
14 Correct 37 ms 58752 KB Output is correct
15 Correct 36 ms 58616 KB Output is correct
16 Correct 40 ms 58616 KB Output is correct
17 Correct 38 ms 58616 KB Output is correct
18 Correct 41 ms 58616 KB Output is correct
19 Correct 35 ms 58624 KB Output is correct
20 Correct 37 ms 58744 KB Output is correct
21 Correct 33 ms 58616 KB Output is correct
22 Correct 34 ms 58624 KB Output is correct
23 Correct 36 ms 58624 KB Output is correct
24 Correct 36 ms 58616 KB Output is correct
25 Correct 34 ms 58616 KB Output is correct
26 Correct 41 ms 58616 KB Output is correct
27 Correct 36 ms 58624 KB Output is correct
28 Correct 33 ms 58616 KB Output is correct
29 Correct 33 ms 58616 KB Output is correct
30 Correct 35 ms 58752 KB Output is correct
31 Correct 681 ms 75084 KB Output is correct
32 Correct 98 ms 63088 KB Output is correct
33 Correct 664 ms 73072 KB Output is correct
34 Correct 600 ms 73324 KB Output is correct
35 Correct 683 ms 75248 KB Output is correct
36 Correct 689 ms 74864 KB Output is correct
37 Correct 444 ms 72560 KB Output is correct
38 Correct 448 ms 72176 KB Output is correct
39 Correct 381 ms 72068 KB Output is correct
40 Correct 383 ms 72180 KB Output is correct
41 Correct 405 ms 72048 KB Output is correct
42 Correct 456 ms 71920 KB Output is correct
43 Correct 94 ms 64880 KB Output is correct
44 Correct 397 ms 72072 KB Output is correct
45 Correct 389 ms 71920 KB Output is correct
46 Correct 398 ms 71756 KB Output is correct
47 Correct 249 ms 70768 KB Output is correct
48 Correct 254 ms 71280 KB Output is correct
49 Correct 283 ms 71152 KB Output is correct
50 Correct 316 ms 71408 KB Output is correct
51 Correct 308 ms 71276 KB Output is correct
52 Correct 372 ms 71924 KB Output is correct
53 Correct 349 ms 70580 KB Output is correct
54 Correct 537 ms 74020 KB Output is correct
55 Correct 387 ms 72688 KB Output is correct
56 Correct 356 ms 72720 KB Output is correct
57 Correct 524 ms 72304 KB Output is correct
58 Correct 418 ms 72592 KB Output is correct
59 Correct 454 ms 72816 KB Output is correct
60 Correct 442 ms 71664 KB Output is correct
61 Correct 148 ms 68080 KB Output is correct
62 Correct 330 ms 70896 KB Output is correct
63 Correct 495 ms 72292 KB Output is correct
64 Correct 438 ms 72432 KB Output is correct
65 Correct 460 ms 71560 KB Output is correct
66 Correct 409 ms 71264 KB Output is correct
67 Correct 232 ms 66076 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 58488 KB Output is correct
2 Correct 37 ms 58488 KB Output is correct
3 Correct 33 ms 58488 KB Output is correct
4 Correct 32 ms 58496 KB Output is correct
5 Correct 33 ms 58488 KB Output is correct
6 Correct 37 ms 58624 KB Output is correct
7 Correct 34 ms 58616 KB Output is correct
8 Correct 40 ms 58624 KB Output is correct
9 Correct 34 ms 58616 KB Output is correct
10 Correct 38 ms 58744 KB Output is correct
11 Correct 34 ms 58616 KB Output is correct
12 Correct 38 ms 58744 KB Output is correct
13 Correct 34 ms 58616 KB Output is correct
14 Correct 37 ms 58752 KB Output is correct
15 Correct 36 ms 58616 KB Output is correct
16 Correct 40 ms 58616 KB Output is correct
17 Correct 38 ms 58616 KB Output is correct
18 Correct 41 ms 58616 KB Output is correct
19 Correct 35 ms 58624 KB Output is correct
20 Correct 37 ms 58744 KB Output is correct
21 Correct 33 ms 58616 KB Output is correct
22 Correct 34 ms 58624 KB Output is correct
23 Correct 36 ms 58624 KB Output is correct
24 Correct 36 ms 58616 KB Output is correct
25 Correct 34 ms 58616 KB Output is correct
26 Correct 41 ms 58616 KB Output is correct
27 Correct 36 ms 58624 KB Output is correct
28 Correct 33 ms 58616 KB Output is correct
29 Correct 33 ms 58616 KB Output is correct
30 Correct 35 ms 58752 KB Output is correct
31 Correct 681 ms 75084 KB Output is correct
32 Correct 98 ms 63088 KB Output is correct
33 Correct 664 ms 73072 KB Output is correct
34 Correct 600 ms 73324 KB Output is correct
35 Correct 683 ms 75248 KB Output is correct
36 Correct 689 ms 74864 KB Output is correct
37 Correct 444 ms 72560 KB Output is correct
38 Correct 448 ms 72176 KB Output is correct
39 Correct 381 ms 72068 KB Output is correct
40 Correct 383 ms 72180 KB Output is correct
41 Correct 405 ms 72048 KB Output is correct
42 Correct 456 ms 71920 KB Output is correct
43 Correct 94 ms 64880 KB Output is correct
44 Correct 397 ms 72072 KB Output is correct
45 Correct 389 ms 71920 KB Output is correct
46 Correct 398 ms 71756 KB Output is correct
47 Correct 249 ms 70768 KB Output is correct
48 Correct 254 ms 71280 KB Output is correct
49 Correct 283 ms 71152 KB Output is correct
50 Correct 316 ms 71408 KB Output is correct
51 Correct 308 ms 71276 KB Output is correct
52 Correct 2916 ms 129768 KB Output is correct
53 Correct 4457 ms 129176 KB Output is correct
54 Correct 1450 ms 118492 KB Output is correct
55 Correct 2564 ms 128432 KB Output is correct
56 Correct 4257 ms 130392 KB Output is correct
57 Execution timed out 5009 ms 130668 KB Time limit exceeded
58 Halted 0 ms 0 KB -