#include "walk.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
#define F first
#define S second
#define all(x) (x).begin(),(x).end()
#ifdef dremix
#define p(x) cerr<<#x<<" = "<<x<<endl;
#define p2(x,y) cerr<<#x<<" , "<<#y<<" = "<<x<<" , "<<y<<endl;
#define pp(x) cerr<<#x<<" = "<<x.F<<"-"<<x.S<<endl;
#define pv(x) cerr<<#x<<" = {";for(auto v : x)cerr<<v<<", ";cerr<<"}"<<endl;
#define ppv(x) cerr<<#x<<" = {";for(auto v : x)cerr<<v.F<<"-"<<v.S<<", ";cerr<<"}"<<endl;
#else
#define p(x) {}
#define p2(x,y) {}
#define pp(x) {}
#define pv(x) {}
#define ppv(x) {}
#endif
const int N = 3e5+5;
const int MOD = 1e9+7;
const ll INF = 1e18+5;
struct ano{
int x,bef,who;
ll d;
bool operator<(const ano &x)const{
return d > x.d;
}
};
long long min_distance(vector<int> x, vector<int> h, vector<int> l, vector<int> r, vector<int> y, int s, int g) {
int n = x.size();
int m = l.size();
vector<vector<int> > a(n+m+1);
int i,j;
int cnt[n+m+1] = {};
for(i=0;i<n;i++){
for(j=0;j<m;j++){
if(l[j] <= i && i <= r[j] && h[i] >= y[j]){
a[i].push_back(n+j);
a[n+j].push_back(i);
cnt[i] ++;
cnt[n+j] ++;
}
}
}
priority_queue<ano> q;
vector<vector<ll> > d(n+m+1,vector<ll>());
cnt[s]++;
cnt[n+m]++;
a[s].push_back(n+m);
a[n+m].push_back(s);
for(i=0;i<=n+m;i++){
d[i].assign(cnt[i],INF);
}
d[s][cnt[s]-1] = 0;
q.push({s,cnt[s]-1,n+m,0});
cnt[s] --;
y.push_back(0);
while(!q.empty()){
ano temp = q.top();
q.pop();
bool sky = false;
if(temp.x >= n)sky = true;
if(temp.d > d[temp.x][temp.bef])continue;
p2(temp.x,temp.who)
p(temp.d)
for(i=0;i<cnt[temp.x];i++){
int v = a[temp.x][i];
if(v == temp.who)continue;
ll cost;
if(sky)
cost = abs(x[temp.who] - x[v]);
else
cost = abs(y[temp.who-n] - y[v-n]);
int bef = -1;
for(j=0;j<cnt[v];j++)
if(a[v][j] == temp.x)bef = j;
assert(bef != -1);
if(d[v][bef] > d[temp.x][temp.bef] + cost){
d[v][bef] = d[temp.x][temp.bef] + cost;
q.push({v,bef,temp.x,d[v][bef]});
}
}
}
ll ans = INF;
for(i=0;i<cnt[g];i++){
ans = min(ans,d[g][i]+y[a[g][i]-n]);
}
if(ans == INF)ans = -1;
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
360 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
2 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
4 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Execution timed out |
4075 ms |
42700 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1720 ms |
9508 KB |
Output is correct |
2 |
Execution timed out |
4053 ms |
156056 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1720 ms |
9508 KB |
Output is correct |
2 |
Execution timed out |
4053 ms |
156056 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
360 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
2 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
4 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Execution timed out |
4075 ms |
42700 KB |
Time limit exceeded |
21 |
Halted |
0 ms |
0 KB |
- |