oj.uz

답안 #489068

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
489068 2021-11-21T06:54:46 Z cfalas 밀림 점프 (APIO21_jumps) C++14
23 / 100
 1375 ms 76428 KB 
#include "jumps.h"
#include<bits/stdc++.h>
using namespace std;
#define mp make_pair
#define INF 10000000
#define MOD 1000000007
#define MID ((l+r)/2)
#define HASHMOD 2305843009213693951
#define ll long long
#define ull unsigned long long
#define F first
#define S second
typedef pair<ll, ll> ii;
typedef pair<ii, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef map<int, int> mii;

#define EPS 1e-6
#define FOR(i,n) for(int i=0;i<((int)(n));i++)
#define FORi(i,a,b) for(int i=((int)(a));i<((int)(b));i++)
#define FOA(v, a) for(auto v : a)

int t, n;
vi a, b;

vi nl, pl;

struct nodemax{
	nodemax* L=NULL, *R=NULL;
	int val=-1;

	void update(int x, int v, int l=0, int r=n-1){
		if(l==r && l==x){
			val = v;
			//cout<<l<<" "<<r<<" "<<val<<endl;
		}
		else if(l==r || l>x || r<x) return;
		else{
			if(!L) L = new nodemax();
			if(!R) R = new nodemax();
			val = -1;
			L->update(x, v, l, MID), val = max(val, L->val);
			R->update(x,v, MID+1,r), val = max(val, R->val);
			//cout<<l<<" "<<r<<" "<<val<<endl;
		}
	}

	int query(int rl, int rr, int l=0, int r=n-1){
		if(rl<=l && r<=rr) return val;
		else if(rl>r || l>rr) return -1;
		else {
			if(!L) L = new nodemax();
			if(!R) R = new nodemax();
			return max(L->query(rl, rr, l, MID), R->query(rl,rr,MID+1,r));
		}
	}
};
struct node{
	node* L=NULL, *R=NULL;
	int val=n;

	void update(int x, int v, int l=0, int r=n-1){
		if(l==r && l==x){
			val = v;
			//cout<<l<<" "<<r<<" "<<val<<endl;
		}
		else if(l==r || l>x || r<x) return;
		else{
			if(!L) L = new node();
			if(!R) R = new node();
			val = n;
			L->update(x, v, l, MID), val = min(val, L->val);
			R->update(x,v, MID+1,r), val = min(val, R->val);
			//cout<<l<<" "<<r<<" "<<val<<endl;
		}
	}

	int query(int rl, int rr, int l=0, int r=n-1){
		if(rl<=l && r<=rr) return val;
		else if(rl>r || l>rr) return n;
		else {
			if(!L) L = new node();
			if(!R) R = new node();
			return min(L->query(rl, rr, l, MID), R->query(rl,rr,MID+1,r));
		}
	}
};

node seg;
nodemax segm;
int hi[201000][20];
int lo[201000][20];
int le[201000][20];
void init(int N, std::vector<int> H) {
	n = N;
	a.resize(n);
	nl.resize(n+1);
	pl.resize(n);
	FOR(i,n) a[i] = H[i];
	
	FORi(i,1,n+1){
		//cout<<endl;
		nl[n-i] = seg.query(a[n-i], n-1);
		seg.update(a[n-i]-1, n-i);
	}
	nl[n] = n;
	FOR(i,n){
		//cout<<endl;
		pl[i] = segm.query(a[i], n-1);
		segm.update(a[i]-1, i);
	}
	FOR(i,n){
		if(nl[i]!=n && (pl[i]==-1 || a[nl[i]]>a[pl[i]])) hi[i][0] = nl[i];
		else hi[i][0] = pl[i];
		if(nl[i]!=n && (pl[i]==-1 || a[nl[i]]<a[pl[i]])) lo[i][0] = nl[i];
		else lo[i][0] = pl[i];
		if(hi[i][0] == -1) hi[i][0] = n;
		if(lo[i][0] == -1) lo[i][0] = n;
		le[i][0] = pl[i];
		if(le[i][0] == -1) le[i][0] = n;
	}
	lo[n][0] = n;
	hi[n][0] = n;
	le[n][0] = n;

	//FOR(i,n) cout<<hi[i][0]<<" "; cout<<" | "; FOR(i,n) cout<<lo[i][0]<<" "; cout<<endl;
	FORi(j,1,20){
		FOR(i,n+1){
			hi[i][j] = hi[hi[i][j-1]][j-1];
			lo[i][j] = lo[lo[i][j-1]][j-1];
			le[i][j] = le[le[i][j-1]][j-1];
			//cout<<hi[i][j]<<" ";
		}
		//cout<<endl;
	}
	//cout<<endl;
}

int minimum_jumps(int A, int B, int C, int D) {
	int s = B;
	int ans=0;
	for(int i=18;i>=0;i--){
		if(le[s][i]>=A && le[s][i]<=B) s = le[s][i];
		//cout<<s<<" ";
	}
	//cout<<endl;
	for(int i=18;i>=0;i--){
		if(hi[s][i]!=n && a[hi[s][i]]<=a[C]) s = hi[s][i], ans+=(1<<i);
		//cout<<s<<" ";
	}
	//cout<<endl;
	//cout<<s<<" "<<ans<<endl;
	for(int i=18;i>=0;i--){
		if(lo[s][i]!=n && a[lo[s][i]]<=a[C]) s = lo[s][i], ans+=(1<<i);
		//cout<<s<<" ";
	}
	//cout<<endl;
	//cout<<s<<" "<<ans<<endl;
	if(lo[s][0]>=C && lo[s][0]<=D) return ans+1;
	if(s>=C && s<=D) return ans;
	else return -1;
}

Subtask #1
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Incorrect 228 ms 60736 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Incorrect 2 ms 200 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Incorrect 2 ms 200 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct
5 Incorrect 244 ms 61396 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 314 ms 35000 KB Output is correct
5 Correct 1256 ms 76136 KB Output is correct
6 Correct 779 ms 12732 KB Output is correct
7 Correct 1259 ms 76360 KB Output is correct
8 Correct 643 ms 26336 KB Output is correct
9 Correct 1337 ms 76364 KB Output is correct
10 Correct 1206 ms 76216 KB Output is correct
11 Correct 1175 ms 76256 KB Output is correct
12 Correct 1259 ms 76200 KB Output is correct
13 Correct 1256 ms 76428 KB Output is correct
14 Correct 1285 ms 76224 KB Output is correct
15 Correct 1148 ms 76280 KB Output is correct
16 Correct 1107 ms 76196 KB Output is correct
17 Correct 0 ms 200 KB Output is correct
18 Correct 0 ms 200 KB Output is correct
19 Correct 2 ms 200 KB Output is correct
20 Correct 2 ms 328 KB Output is correct
21 Correct 2 ms 328 KB Output is correct
22 Correct 2 ms 328 KB Output is correct
23 Correct 3 ms 328 KB Output is correct
24 Correct 2 ms 328 KB Output is correct
25 Correct 0 ms 328 KB Output is correct
26 Correct 1 ms 584 KB Output is correct
27 Correct 22 ms 968 KB Output is correct
28 Correct 20 ms 968 KB Output is correct
29 Correct 24 ms 968 KB Output is correct
30 Correct 22 ms 968 KB Output is correct
31 Correct 20 ms 968 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 192 ms 44288 KB Output is correct
34 Correct 313 ms 76156 KB Output is correct
35 Correct 258 ms 76280 KB Output is correct
36 Correct 298 ms 76236 KB Output is correct
37 Correct 278 ms 76196 KB Output is correct
38 Correct 234 ms 76160 KB Output is correct

Subtask #6
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 314 ms 35000 KB Output is correct
5 Correct 1256 ms 76136 KB Output is correct
6 Correct 779 ms 12732 KB Output is correct
7 Correct 1259 ms 76360 KB Output is correct
8 Correct 643 ms 26336 KB Output is correct
9 Correct 1337 ms 76364 KB Output is correct
10 Correct 1206 ms 76216 KB Output is correct
11 Correct 1175 ms 76256 KB Output is correct
12 Correct 1259 ms 76200 KB Output is correct
13 Correct 1256 ms 76428 KB Output is correct
14 Correct 1285 ms 76224 KB Output is correct
15 Correct 1148 ms 76280 KB Output is correct
16 Correct 1107 ms 76196 KB Output is correct
17 Correct 0 ms 200 KB Output is correct
18 Correct 0 ms 200 KB Output is correct
19 Correct 2 ms 200 KB Output is correct
20 Correct 2 ms 328 KB Output is correct
21 Correct 2 ms 328 KB Output is correct
22 Correct 2 ms 328 KB Output is correct
23 Correct 3 ms 328 KB Output is correct
24 Correct 2 ms 328 KB Output is correct
25 Correct 0 ms 328 KB Output is correct
26 Correct 1 ms 584 KB Output is correct
27 Correct 22 ms 968 KB Output is correct
28 Correct 20 ms 968 KB Output is correct
29 Correct 24 ms 968 KB Output is correct
30 Correct 22 ms 968 KB Output is correct
31 Correct 20 ms 968 KB Output is correct
32 Correct 1 ms 200 KB Output is correct
33 Correct 192 ms 44288 KB Output is correct
34 Correct 313 ms 76156 KB Output is correct
35 Correct 258 ms 76280 KB Output is correct
36 Correct 298 ms 76236 KB Output is correct
37 Correct 278 ms 76196 KB Output is correct
38 Correct 234 ms 76160 KB Output is correct
39 Correct 0 ms 200 KB Output is correct
40 Correct 0 ms 200 KB Output is correct
41 Correct 0 ms 200 KB Output is correct
42 Correct 363 ms 34936 KB Output is correct
43 Correct 1375 ms 76144 KB Output is correct
44 Correct 653 ms 12804 KB Output is correct
45 Correct 1238 ms 76116 KB Output is correct
46 Correct 581 ms 26436 KB Output is correct
47 Correct 1124 ms 76276 KB Output is correct
48 Correct 1075 ms 76224 KB Output is correct
49 Correct 863 ms 76224 KB Output is correct
50 Correct 1193 ms 76196 KB Output is correct
51 Correct 1149 ms 76240 KB Output is correct
52 Correct 1202 ms 76216 KB Output is correct
53 Correct 888 ms 76184 KB Output is correct
54 Correct 1140 ms 76224 KB Output is correct
55 Correct 0 ms 200 KB Output is correct
56 Incorrect 374 ms 75824 KB Output isn't correct
57 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Incorrect 228 ms 60736 KB Output isn't correct
4 Halted 0 ms 0 KB -