oj.uz

Submission #146134

# Submission time Handle Problem Language Result Execution time Memory
146134 2019-08-22T10:40:10 Z cheetose None (JOI16_matryoshka) C++11
100 / 100
 489 ms 19556 KB 
#include<cstdio>
#include<cstdlib>
#include<iostream>
#include<vector>
#include<queue>
#include<bitset>
#include<string>
#include<stack>
#include<set>
#include<unordered_set>
#include<map>
#include<unordered_map>
#include<cstring>
#include<complex>
#include<cmath>
#include<iomanip>
#include<numeric>
#include<algorithm>
#include<list>
#include<functional>
#include<cassert>
#define mp make_pair
#define pb push_back
#define X first
#define Y second
#define y0 y12
#define y1 y22
#define INF 987654321987654321
#define PI 3.141592653589793238462643383279502884
#define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
#define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
#define MEM0(a) memset((a),0,sizeof(a));
#define MEM_1(a) memset((a),-1,sizeof(a));
#define ALL(a) a.begin(),a.end()
#define SYNC ios_base::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;
typedef pair<ld, ld> Pd;
typedef vector<int> Vi;
typedef vector<ll> Vll;
typedef vector<double> Vd;
typedef vector<Pi> VPi;
typedef vector<Pll> VPll;
typedef vector<Pd> VPd;
typedef tuple<int, int, int> iii;
typedef tuple<int,int,int,int> iiii;
typedef tuple<ll, ll, ll> LLL;
typedef vector<iii> Viii;
typedef vector<LLL> VLLL;
typedef complex<double> base;
const ll MOD = 1000000007;
ll POW(ll a, ll b, ll MMM = MOD) {ll ret=1; for(;b;b>>=1,a=(a*a)%MMM)if(b&1)ret=(ret*a)% MMM; return ret; }
ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
ll lcm(ll a, ll b) { if (a == 0 || b == 0)return a + b; return a*(b / gcd(a, b)); }
int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 };

int n,q;
int ans[200000];
pair<Pi,int> Q[200000];
Pi p[200000];
Vi vv;
int tree[1048576];
void upd(int node, int S, int E, int k, int dif)
{
	if (S == E)
	{
		tree[node]=max(tree[node],dif);
		return;
	}
	if (k <= (S + E) / 2)upd(node * 2, S, (S + E) / 2, k, dif);
	else upd(node * 2 + 1, (S + E) / 2 + 1, E, k, dif);
	tree[node]=max(tree[node*2],tree[node*2+1]);
}

int find(int node, int S, int E, int i, int j)
{
	if (i > E || j < S)return 0;
	if (i <= S && j >= E)return tree[node];
	return max(find(node * 2, S, (S + E) / 2, i, j), find(node * 2 + 1, (S + E) / 2 + 1, E, i, j));
}
int main() {
	scanf("%d%d",&n,&q);
	fup(i,0,n-1,1)
	{
		scanf("%d%d",&p[i].X,&p[i].Y);
		vv.pb(p[i].Y);
	}
	fup(i,0,q-1,1)
	{
		scanf("%d%d",&Q[i].X.X,&Q[i].X.Y);
		Q[i].Y=i;
		vv.pb(Q[i].X.Y);
	}
	sort(ALL(vv));vv.resize(unique(ALL(vv))-vv.begin());
	int N=vv.size();
	fup(i,0,n-1,1)p[i].Y=lower_bound(ALL(vv),p[i].Y)-vv.begin()+1;
	fup(i,0,q-1,1)Q[i].X.Y=lower_bound(ALL(vv),Q[i].X.Y)-vv.begin()+1;
	sort(p,p+n,[&](Pi p1,Pi p2){
		if(p1.X!=p2.X)return p1.X>p2.X;
		return p1.Y<p2.Y;
	});
	sort(Q,Q+q,[&](pair<Pi,int> p1,pair<Pi,int> p2){
		if(p1.X.X!=p2.X.X)return p1.X.X>p2.X.X;
		return p1.X.Y<p2.X.Y;
	});
	for(int i=0,j=0;i<q;i++)
	{
		while(j<n && Q[i].X.X<=p[j].X)
		{
			int t=find(1,1,N,1,p[j].Y);
			upd(1,1,N,p[j].Y,t+1);
			j++;
		}
		int t=find(1,1,N,1,Q[i].X.Y);
		ans[Q[i].Y]=t;
	}
	fup(i,0,q-1,1)printf("%d\n",ans[i]);
}

Compilation message

matryoshka.cpp: In function 'int main()':
matryoshka.cpp:88:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&q);
  ~~~~~^~~~~~~~~~~~~~
matryoshka.cpp:91:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&p[i].X,&p[i].Y);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
matryoshka.cpp:96:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&Q[i].X.X,&Q[i].X.Y);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 3 ms 380 KB Output is correct
20 Correct 2 ms 376 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 3 ms 380 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 6 ms 504 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 12 ms 632 KB Output is correct
26 Correct 6 ms 504 KB Output is correct
27 Correct 5 ms 504 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 5 ms 632 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 6 ms 504 KB Output is correct
32 Correct 5 ms 504 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 5 ms 504 KB Output is correct
35 Correct 5 ms 504 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 3 ms 380 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 6 ms 504 KB Output is correct
24 Correct 6 ms 504 KB Output is correct
25 Correct 12 ms 632 KB Output is correct
26 Correct 6 ms 504 KB Output is correct
27 Correct 5 ms 504 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 5 ms 632 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 6 ms 504 KB Output is correct
32 Correct 5 ms 504 KB Output is correct
33 Correct 6 ms 504 KB Output is correct
34 Correct 5 ms 504 KB Output is correct
35 Correct 5 ms 504 KB Output is correct
36 Correct 413 ms 14716 KB Output is correct
37 Correct 236 ms 11876 KB Output is correct
38 Correct 143 ms 7176 KB Output is correct
39 Correct 248 ms 10324 KB Output is correct
40 Correct 250 ms 10852 KB Output is correct
41 Correct 292 ms 11876 KB Output is correct
42 Correct 155 ms 9572 KB Output is correct
43 Correct 107 ms 9720 KB Output is correct
44 Correct 485 ms 19388 KB Output is correct
45 Correct 476 ms 19440 KB Output is correct
46 Correct 489 ms 19300 KB Output is correct
47 Correct 458 ms 19088 KB Output is correct
48 Correct 451 ms 19556 KB Output is correct
49 Correct 454 ms 19028 KB Output is correct
50 Correct 452 ms 19556 KB Output is correct