oj.uz

Submission #1048401

# Submission time Handle Problem Language Result Execution time Memory
1048401 2024-08-08T07:20:52 Z Malix Sky Walking (IOI19_walk) C++14
24 / 100
 2159 ms 673620 KB 
#include "walk.h"
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> tii;
typedef vector<ll> li;
typedef vector<li> lii;
 
#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define LSOne(s) ((s)&(-s))
 
ll INF=1e18+10;
int inf=1e9+10;
ll M=1e9+7;

int n,m;
vi st;
vi arr;

void build(int x,int l,int r){
	if(l==r){
		st[x]=arr[l];
		return;
	}
	int m=(l+r)/2;
	build(2*x,l,m);
	build(2*x+1,m+1,r);
	st[x]=max(st[2*x],st[2*x+1]);
}

int mx(int x,int l,int r,int a,int b){
	if(a>b)return 0;
	if(l==a&&r==b)return st[x];
	int m=(l+r)/2;
	return max(mx(2*x,l,m,a,min(b,m)),mx(2*x+1,m+1,r,max(a,m+1),b));
}

int solve(int h,int l,int r){
	if(l==r)return l;
	int m=(l+r)/2;
	int k=mx(1,0,n-1,l,m);
	if(k>=h)return solve(h,l,m);
	else return solve(h,m+1,r);
}

long long min_distance(std::vector<int> x, std::vector<int> h, std::vector<int> l, std::vector<int> r, std::vector<int> y, int s, int g) {
	n=x.size();m=l.size();
	st.resize(4*n);
	arr=h;
	build(1,0,n-1);
	map<int,pi> mp;
	int k=0;
	vector<pii> a(2e6);
	vector<set<pi>> b(n);
	REP(i,0,m){
		int p=l[i];
		mp[k]={l[i],y[i]};
		b[l[i]].insert({y[i],k});
		k++;
		while(p<r[i]){
			int t=solve(y[i],p+1,r[i]);
			mp[k]={t,y[i]};
			b[t].insert({y[i],k});
			int dis=x[t]-x[p];
			a[k].PB({k-1,dis});
			a[k-1].PB({k,dis});
			k++;
			p=t;
		}
	}
	int spos=s,epos=g;
	REP(i,0,n){
		if(i==s)spos=k;
		if(i==g)epos=k;
		mp[k]={i,0};
		int c=0,d=k;
		for(auto u:b[i]){
			a[d].PB({u.S,u.F-c});
			a[u.S].PB({d,u.F-c});
			c=u.F;d=u.S;
		}
		k++;
	}
	vector<ll> dist(k+1,INF);
	priority_queue<pair<ll,int>,vector<pair<ll,int>>,greater<pair<ll,int>>> pq;
	pq.push({0,spos});dist[spos]=0;
	while(!pq.empty()){
		ll distance=pq.top().F;
		int node=pq.top().S;
		pq.pop();
		if(dist[node]<distance)continue;
		for(auto u:a[node]){
			if(dist[u.F]<=distance+u.S)continue;
			dist[u.F]=distance+u.S;
			pq.push({dist[u.F],u.F});
		}
	}
	if(dist[epos]==INF)return -1;
	return dist[epos];
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 47196 KB Output is correct
2 Correct 7 ms 47160 KB Output is correct
3 Correct 7 ms 47196 KB Output is correct
4 Correct 7 ms 47196 KB Output is correct
5 Correct 8 ms 47540 KB Output is correct
6 Correct 9 ms 47452 KB Output is correct
7 Correct 9 ms 47448 KB Output is correct
8 Correct 8 ms 47452 KB Output is correct
9 Correct 8 ms 47308 KB Output is correct
10 Correct 8 ms 47452 KB Output is correct
11 Correct 8 ms 47452 KB Output is correct
12 Correct 7 ms 47364 KB Output is correct
13 Correct 8 ms 47196 KB Output is correct
14 Correct 9 ms 47196 KB Output is correct
15 Correct 10 ms 47412 KB Output is correct
16 Correct 8 ms 47196 KB Output is correct
17 Correct 8 ms 47444 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 47196 KB Output is correct
2 Correct 7 ms 47352 KB Output is correct
3 Correct 1075 ms 185844 KB Output is correct
4 Correct 927 ms 202196 KB Output is correct
5 Correct 629 ms 182460 KB Output is correct
6 Correct 525 ms 166996 KB Output is correct
7 Correct 632 ms 182472 KB Output is correct
8 Correct 1345 ms 224988 KB Output is correct
9 Correct 681 ms 179028 KB Output is correct
10 Correct 1322 ms 260944 KB Output is correct
11 Correct 399 ms 122704 KB Output is correct
12 Correct 201 ms 103252 KB Output is correct
13 Correct 1060 ms 235056 KB Output is correct
14 Correct 323 ms 101196 KB Output is correct
15 Correct 329 ms 102580 KB Output is correct
16 Correct 242 ms 103780 KB Output is correct
17 Correct 228 ms 101712 KB Output is correct
18 Correct 383 ms 104132 KB Output is correct
19 Correct 18 ms 50008 KB Output is correct
20 Correct 131 ms 74068 KB Output is correct
21 Correct 179 ms 99468 KB Output is correct
22 Correct 189 ms 102496 KB Output is correct
23 Correct 445 ms 114124 KB Output is correct
24 Correct 243 ms 102484 KB Output is correct
25 Correct 212 ms 101968 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 69648 KB Output is correct
2 Runtime error 2159 ms 673620 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 69648 KB Output is correct
2 Runtime error 2159 ms 673620 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 47196 KB Output is correct
2 Correct 7 ms 47160 KB Output is correct
3 Correct 7 ms 47196 KB Output is correct
4 Correct 7 ms 47196 KB Output is correct
5 Correct 8 ms 47540 KB Output is correct
6 Correct 9 ms 47452 KB Output is correct
7 Correct 9 ms 47448 KB Output is correct
8 Correct 8 ms 47452 KB Output is correct
9 Correct 8 ms 47308 KB Output is correct
10 Correct 8 ms 47452 KB Output is correct
11 Correct 8 ms 47452 KB Output is correct
12 Correct 7 ms 47364 KB Output is correct
13 Correct 8 ms 47196 KB Output is correct
14 Correct 9 ms 47196 KB Output is correct
15 Correct 10 ms 47412 KB Output is correct
16 Correct 8 ms 47196 KB Output is correct
17 Correct 8 ms 47444 KB Output is correct
18 Correct 8 ms 47196 KB Output is correct
19 Correct 7 ms 47352 KB Output is correct
20 Correct 1075 ms 185844 KB Output is correct
21 Correct 927 ms 202196 KB Output is correct
22 Correct 629 ms 182460 KB Output is correct
23 Correct 525 ms 166996 KB Output is correct
24 Correct 632 ms 182472 KB Output is correct
25 Correct 1345 ms 224988 KB Output is correct
26 Correct 681 ms 179028 KB Output is correct
27 Correct 1322 ms 260944 KB Output is correct
28 Correct 399 ms 122704 KB Output is correct
29 Correct 201 ms 103252 KB Output is correct
30 Correct 1060 ms 235056 KB Output is correct
31 Correct 323 ms 101196 KB Output is correct
32 Correct 329 ms 102580 KB Output is correct
33 Correct 242 ms 103780 KB Output is correct
34 Correct 228 ms 101712 KB Output is correct
35 Correct 383 ms 104132 KB Output is correct
36 Correct 18 ms 50008 KB Output is correct
37 Correct 131 ms 74068 KB Output is correct
38 Correct 179 ms 99468 KB Output is correct
39 Correct 189 ms 102496 KB Output is correct
40 Correct 445 ms 114124 KB Output is correct
41 Correct 243 ms 102484 KB Output is correct
42 Correct 212 ms 101968 KB Output is correct
43 Correct 114 ms 69648 KB Output is correct
44 Runtime error 2159 ms 673620 KB Execution killed with signal 11
45 Halted 0 ms 0 KB -