이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "walk.h"
#include<bits/stdc++.h>
#define pb push_back
#define ff first
#define ss second
#define sz(x) ll(x.size())
#define all(x) x.begin(),x.end()
using namespace std;
typedef long long ll;
typedef pair<int,int> ii;
const ll MAX=1e6+10;
const ll inf=1e9;
vector<ii>gfo[MAX];
int cur[MAX], dist[MAX];
void dikstra(int ini){
set<ii> q;
q.insert({0,ini});
dist[ini]=0;
while(sz(q)){
auto x=*q.begin();
q.erase(q.begin());
int u=x.ss;
int dist_u=x.ff;
if(dist_u!=dist[u])continue;
for(auto y:gfo[u]){
int w=y.ss;
int v=y.ff;
if(dist[v]>dist[u]+w){
dist[v]=dist[u]+w;
q.insert({dist[v], v});
}
}
}
}
map< pair<int,int>, int> M;
long long min_distance(vector<int> x,vector<int> h,
vector<int> l,vector<int> r,
vector<int> y, int s, int g) {
vector<pair<int,ii>> c;
ll m=sz(y);//numero de rascacielos
ll n=sz(x);//numero de torres
for(int i=0; i<m; i++){
c.pb({y[i],{l[i],r[i]}});// por su altura
}
sort(all(c));
ll nod=0, nod_prev=0, mx=0, pos=0;
for(int i=0; i<n; i++){
if(!M.count({x[i], 0})){
M[{x[i],0}]=mx+1;
mx++;
cur[i]=0;//altura
}
}
for(auto q:c){//rascacielo en la altura q.ff
int alt=q.ff;
int l=q.ss.ff;
int r=q.ss.ss;
for(int i=l; i<=r; i++){
if(alt<=h[i]){// hay interseccion
if(!M.count({x[i],alt})){
M[{x[i],alt}]=mx+1;
mx++;
}
nod = M[{x[i], alt}];
// verical
gfo[nod].pb({M[{x[i],cur[i]}], alt-cur[i]});
gfo[M[{x[i],cur[i]}]].pb({nod, alt-cur[i]});
cur[i]=alt;
if(i==l){
nod_prev=nod;
pos=x[l];
continue;
}
//horizontal
gfo[nod].pb({nod_prev,x[i]-pos});
gfo[nod_prev].pb({nod,x[i]-pos});
pos = x[i];// ultima posicion de interseccion
nod_prev = nod;// nombre del nodo anterior
}
}
}
// for(auto a:M){
// cout<<a.ff.ff<<' '<<a.ff.ss<<" -> "<<a.ss<<'\n';
// }
// for(auto a:M){
// cout<<a.ss<<" -> ";
// for(auto b:gfo[a.ss]){
// cout<<b.ff<<", "<<b.ss;
// cout<<'\n';
// }
// cout<<'\n';
// }
for(int i=0; i<=mx; i++)dist[i]=inf;
dikstra(M[{x[s],0}]);
ll ans=dist[M[{x[g],0}]];
return ans;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |