oj.uz

답안 #602990

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
602990 2022-07-23T13:49:15 Z Koosha_mv Sky Walking (IOI19_walk) C++14
33 / 100
 225 ms 27836 KB 
#include "walk.h"
#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,int(v.size())) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<x.F<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first

const int N=1e5+99;
const ll inf=1e16;

int n,m;
ll dist[N],pos[N],seg[2][N<<2];
vector<int> ad[N],dl[N];
vector<pair<int,int>> vec;

void change(int x,ll val,int s){
	x+=m;
	seg[s][x]=val;
	for(;x>1;x>>=1){
		seg[s][x>>1]=min(seg[s][x],seg[s][x^1]);
	}
}
ll get(int l,int r,int s){
	ll ans=inf;
	for(l+=m,r+=m;l<r;l>>=1,r>>=1){
		if(l&1){
			minm(ans,seg[s][l++]);
		}
		if(r&1){
			minm(ans,seg[s][--r]);
		}
	}
	return ans;
}

ll min_distance(vector<int> a,vector<int> h,vector<int> l,vector<int> r,vector<int> y,int s,int g) {
	n=a.size();
	y.pb(0);
	l.pb(n-1);
	r.pb(n-1);
	m=l.size();

	f(i,0,m){
		ad[l[i]].pb(i);
		dl[r[i]].pb(i);
		vec.pb({y[i],i});
	}
	
	sort(all(vec));
	f(i,0,int(vec.size())) pos[vec[i].S]=i;
	f(s,0,2) f(i,0,N<<2) seg[s][i]=inf;
	f(i,0,n){
		for(auto x : ad[i]){
			dist[x]=min(y[x]+get(0,pos[x],0),get(pos[x],m,1)-y[x]);
			if(l[x]==0) dist[x]=y[x];
			//cout<<x<<" -> "<<dist[x]<<endl;
			change(pos[x],dist[x]-y[x],0);
			change(pos[x],dist[x]+y[x],1);
		}	
		for(auto x : dl[i]){
			change(pos[x],inf,0);
			change(pos[x],inf,1);
		}
	}
	if(dist[m-1]>=inf){
		return -1;
	}
	else{
		return a[n-1]-a[0]+dist[m-1];
	}
}
/*
5 3
0 6
4 6
5 6
6 6
9 6
3 4 1
1 3 3
0 2 6
0 4

0, 4, 5, 6, 9],
[6, 6, 6, 6, 6],
[3, 1, 0],
[4, 3, 2],
[1, 3, 6],
0, 4)
*/

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 7 ms 11220 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 6 ms 11220 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 63 ms 15416 KB Output is correct
2 Correct 116 ms 18908 KB Output is correct
3 Correct 105 ms 19728 KB Output is correct
4 Correct 171 ms 25536 KB Output is correct
5 Correct 183 ms 24000 KB Output is correct
6 Correct 157 ms 25368 KB Output is correct
7 Correct 87 ms 21104 KB Output is correct
8 Correct 181 ms 27836 KB Output is correct
9 Correct 162 ms 26504 KB Output is correct
10 Correct 125 ms 24520 KB Output is correct
11 Correct 15 ms 12832 KB Output is correct

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 63 ms 15416 KB Output is correct
2 Correct 116 ms 18908 KB Output is correct
3 Correct 105 ms 19728 KB Output is correct
4 Correct 171 ms 25536 KB Output is correct
5 Correct 183 ms 24000 KB Output is correct
6 Correct 157 ms 25368 KB Output is correct
7 Correct 87 ms 21104 KB Output is correct
8 Correct 181 ms 27836 KB Output is correct
9 Correct 162 ms 26504 KB Output is correct
10 Correct 125 ms 24520 KB Output is correct
11 Correct 15 ms 12832 KB Output is correct
12 Correct 119 ms 19856 KB Output is correct
13 Correct 189 ms 25476 KB Output is correct
14 Correct 149 ms 23944 KB Output is correct
15 Correct 164 ms 24628 KB Output is correct
16 Correct 180 ms 24832 KB Output is correct
17 Correct 161 ms 24836 KB Output is correct
18 Correct 155 ms 24708 KB Output is correct
19 Correct 155 ms 24824 KB Output is correct
20 Correct 94 ms 20940 KB Output is correct
21 Correct 39 ms 14852 KB Output is correct
22 Correct 128 ms 23012 KB Output is correct
23 Correct 118 ms 23492 KB Output is correct
24 Correct 128 ms 23896 KB Output is correct
25 Correct 133 ms 23420 KB Output is correct
26 Correct 118 ms 24488 KB Output is correct
27 Correct 162 ms 24440 KB Output is correct
28 Correct 186 ms 25416 KB Output is correct
29 Correct 225 ms 25224 KB Output is correct
30 Correct 80 ms 20976 KB Output is correct
31 Correct 183 ms 26348 KB Output is correct
32 Correct 126 ms 24436 KB Output is correct
33 Correct 183 ms 25732 KB Output is correct
34 Correct 110 ms 24908 KB Output is correct
35 Correct 149 ms 25428 KB Output is correct
36 Correct 136 ms 25276 KB Output is correct
37 Correct 140 ms 24616 KB Output is correct
38 Correct 144 ms 26888 KB Output is correct
39 Correct 118 ms 25264 KB Output is correct
40 Correct 124 ms 26068 KB Output is correct
41 Correct 140 ms 24904 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 7 ms 11220 KB Output isn't correct
2 Halted 0 ms 0 KB -