Submission #961629

# Submission time Handle Problem Language Result Execution time Memory
961629 2024-04-12T09:15:03 Z starchan None (JOI16_matryoshka) C++17
100 / 100
299 ms 21572 KB
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define in pair<int, int>
#define f first
#define s second
#define pb push_back
#define pob pop_back
#define INF (int)1e17

#define fast() ios_base::sync_with_stdio(false); cin.tie(NULL)

const int MX = 2e5+5;

vector<int> G;
vector<int> H;
signed main()
{
	fast();
	int n, q;
	cin >> n >> q;
	vector<pair<in, int>> Q(q);
	vector<in> RH(n+1);
	RH[0] = {-INF, -1};
	for(int i = 1; i <= n; i++)
	{
		cin >> RH[i].f >> RH[i].s;
		RH[i].f = -RH[i].f;
		G.pb(RH[i].f);
	}
	for(int i = 0; i < q; i++)
	{
		Q[i].s = i;
		cin >> Q[i].f.f >> Q[i].f.s;
		Q[i].f.f = -Q[i].f.f;
		G.pb(Q[i].f.f);
	}
	sort(RH.begin(), RH.end());
	sort(G.begin(), G.end());
	H.pb(G[0]);
	for(auto x: G)
	{
		if(x != H.back())
			H.pb(x);
	}
	G.clear();
	for(auto &[u, v]: RH)
	{
		u = lower_bound(H.begin(), H.end(), u)-H.begin()+1;
		G.pb(v);
	}
	for(auto &[qq, i]: Q)
	{
		qq.f = lower_bound(H.begin(), H.end(), qq.f)-H.begin()+1;
		G.pb(qq.s);
	}
	H.clear();
	sort(G.begin(), G.end());
	H.pb(G[0]);
	for(auto x: G)
	{
		if(x != H.back())
			H.pb(x);
	}
	for(auto &[u, v]: RH)
		v = lower_bound(H.begin(), H.end(), v)-H.begin()+1;
	for(auto &[qq, i]: Q)
		qq.s = lower_bound(H.begin(), H.end(), qq.s)-H.begin()+1;
	sort(Q.begin(), Q.end());
	/*cout << "Printing RH values" << endl;
	for(auto [u, v]: RH)
		cout << u << " " << v << endl;*/
	int r = 1;
	vector<int> ans(q, 0);
	vector<in> d(n+1, {INF, INF});
	d[0] = {-INF, -INF};
	for(int i = 0; i < q; i++)
	{
		int x = Q[i].s;
		while((r <= n) && (RH[r].f <= Q[i].f.f))
		{
			//add RH[r].s
			//RH[r].s can provide
			in pp = {RH[r].s, r}; 
			int W = upper_bound(d.begin(), d.end(), pp) - d.begin();
			if((d[W-1] < pp) && (pp < d[W]))
				d[W] = pp;
			r++;
		}
		in ok = {Q[i].f.s, INF};
		ans[x] = upper_bound(d.begin(), d.end(), ok)-d.begin()-1;
	}
	for(int i = 0; i < q; i++)
		cout << ans[i] << "\n";
	return 0;
}	
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 2 ms 604 KB Output is correct
24 Correct 2 ms 600 KB Output is correct
25 Correct 2 ms 600 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 2 ms 600 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 3 ms 604 KB Output is correct
34 Correct 3 ms 604 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 2 ms 604 KB Output is correct
24 Correct 2 ms 600 KB Output is correct
25 Correct 2 ms 600 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 2 ms 600 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 3 ms 604 KB Output is correct
34 Correct 3 ms 604 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 264 ms 18912 KB Output is correct
37 Correct 215 ms 20028 KB Output is correct
38 Correct 80 ms 7160 KB Output is correct
39 Correct 158 ms 16836 KB Output is correct
40 Correct 172 ms 17696 KB Output is correct
41 Correct 228 ms 18972 KB Output is correct
42 Correct 119 ms 17248 KB Output is correct
43 Correct 81 ms 17396 KB Output is correct
44 Correct 299 ms 20288 KB Output is correct
45 Correct 284 ms 19976 KB Output is correct
46 Correct 282 ms 19812 KB Output is correct
47 Correct 263 ms 21572 KB Output is correct
48 Correct 265 ms 20028 KB Output is correct
49 Correct 263 ms 19748 KB Output is correct
50 Correct 267 ms 21308 KB Output is correct