# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
431908 |
2021-06-17T17:02:33 Z |
Pichon5 |
Sky Walking (IOI19_walk) |
C++17 |
|
860 ms |
453276 KB |
#include "walk.h"
#include <bits/stdc++.h>
#define vi vector<int>
#define ll long long
#define vll vector<ll>
#define pb push_back
#define F first
#define S second
using namespace std;
const ll INF=2ll*1e18;
const int tam=2000005;
vector<pair<ll,ll> > G[tam];
pair<ll,ll> E[tam];
vector<bool>vis(tam,false);
vll dis(tam,INF);
long long min_distance(vi x,vi h,vi l, vi r,vi y,int s,int g){
ll n=x.size();
ll curr=0;
ll entrada,salida;
for(int i=0;i<n;i++){
E[i]={curr,0};
if(i==s)entrada=curr;
if(i==g)salida=curr;
curr++;
}
vector<pair<ll,ll> >A;//altura e indice
for(int i=0;i<l.size();i++)A.pb({y[i],i});
sort(A.begin(),A.end());
set<ll>st;
for(int i=0;i<n;i++)st.insert(i);
for(int i=0;i<l.size();i++){
ll ind=A[i].S;
ll equis;
ll ant=-1;
vll AUX;
for(auto it=st.lower_bound(l[ind]);it!=st.end() && *it<=r[ind];it++){
ll j=*it;
if(h[j]<y[ind]){
AUX.pb(j);
continue;
}
G[curr].pb({E[j].F,y[ind]-E[j].S});
G[E[j].F].pb({curr,y[ind]-E[j].S});
E[j]={curr,y[ind]};
if(ant!=-1){
G[curr].pb({ant,x[j]-equis});
G[ant].pb({curr,x[j]-equis});
}
ant=curr;
equis=x[j];
curr++;
}
for(int k=0;k<AUX.size();k++){
auto I=st.find(AUX[k]);
st.erase(I);
}
}
priority_queue<pair<ll,ll> >q;
dis[entrada]=0ll;
q.push({0ll,entrada});
while(!q.empty()){
ll nodo=q.top().S;
q.pop();
if(vis[nodo])continue;
vis[nodo]=1;
for(auto it : G[nodo]){
ll to=it.F,w=it.S;
if(dis[nodo]+w<dis[to]){
dis[to]=dis[nodo]+w;
q.push({-dis[to],to});
}
}
}
if(dis[salida]==INF)return -1;
return dis[salida];
}
/*
7 7
0 8
3 7
5 9
7 7
10 6
12 6
14 9
0 1 1
0 2 6
0 6 8
2 3 1
2 6 7
3 4 2
4 6 5
1 5
*/
Compilation message
walk.cpp: In function 'long long int min_distance(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, int, int)':
walk.cpp:27:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
27 | for(int i=0;i<l.size();i++)A.pb({y[i],i});
| ~^~~~~~~~~
walk.cpp:31:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
31 | for(int i=0;i<l.size();i++){
| ~^~~~~~~~~
walk.cpp:53:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
53 | for(int k=0;k<AUX.size();k++){
| ~^~~~~~~~~~~
walk.cpp:47:37: warning: 'equis' may be used uninitialized in this function [-Wmaybe-uninitialized]
47 | G[ant].pb({curr,x[j]-equis});
walk.cpp:59:16: warning: 'entrada' may be used uninitialized in this function [-Wmaybe-uninitialized]
59 | dis[entrada]=0ll;
| ^
walk.cpp:74:18: warning: 'salida' may be used uninitialized in this function [-Wmaybe-uninitialized]
74 | if(dis[salida]==INF)return -1;
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
37 ms |
63152 KB |
Output is correct |
2 |
Correct |
38 ms |
63100 KB |
Output is correct |
3 |
Correct |
38 ms |
63136 KB |
Output is correct |
4 |
Correct |
38 ms |
63096 KB |
Output is correct |
5 |
Correct |
37 ms |
63104 KB |
Output is correct |
6 |
Correct |
35 ms |
63128 KB |
Output is correct |
7 |
Correct |
39 ms |
63176 KB |
Output is correct |
8 |
Correct |
34 ms |
63112 KB |
Output is correct |
9 |
Correct |
34 ms |
63092 KB |
Output is correct |
10 |
Correct |
39 ms |
63172 KB |
Output is correct |
11 |
Correct |
42 ms |
63172 KB |
Output is correct |
12 |
Correct |
37 ms |
63132 KB |
Output is correct |
13 |
Correct |
35 ms |
63100 KB |
Output is correct |
14 |
Correct |
45 ms |
63096 KB |
Output is correct |
15 |
Correct |
39 ms |
63176 KB |
Output is correct |
16 |
Correct |
33 ms |
63092 KB |
Output is correct |
17 |
Correct |
34 ms |
63188 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
37 ms |
63180 KB |
Output is correct |
2 |
Correct |
39 ms |
63088 KB |
Output is correct |
3 |
Correct |
530 ms |
122688 KB |
Output is correct |
4 |
Correct |
728 ms |
130200 KB |
Output is correct |
5 |
Correct |
395 ms |
118540 KB |
Output is correct |
6 |
Correct |
400 ms |
112412 KB |
Output is correct |
7 |
Correct |
391 ms |
118832 KB |
Output is correct |
8 |
Correct |
593 ms |
138376 KB |
Output is correct |
9 |
Correct |
513 ms |
119836 KB |
Output is correct |
10 |
Correct |
860 ms |
152896 KB |
Output is correct |
11 |
Correct |
407 ms |
97212 KB |
Output is correct |
12 |
Correct |
382 ms |
90456 KB |
Output is correct |
13 |
Correct |
807 ms |
143356 KB |
Output is correct |
14 |
Correct |
259 ms |
85008 KB |
Output is correct |
15 |
Correct |
306 ms |
86812 KB |
Output is correct |
16 |
Correct |
332 ms |
88320 KB |
Output is correct |
17 |
Correct |
323 ms |
87228 KB |
Output is correct |
18 |
Correct |
201 ms |
89016 KB |
Output is correct |
19 |
Correct |
43 ms |
64308 KB |
Output is correct |
20 |
Correct |
118 ms |
74076 KB |
Output is correct |
21 |
Correct |
307 ms |
88736 KB |
Output is correct |
22 |
Correct |
404 ms |
91488 KB |
Output is correct |
23 |
Correct |
286 ms |
92872 KB |
Output is correct |
24 |
Correct |
327 ms |
89136 KB |
Output is correct |
25 |
Correct |
376 ms |
88872 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
129 ms |
74372 KB |
Output is correct |
2 |
Runtime error |
644 ms |
453276 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
129 ms |
74372 KB |
Output is correct |
2 |
Runtime error |
644 ms |
453276 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
37 ms |
63152 KB |
Output is correct |
2 |
Correct |
38 ms |
63100 KB |
Output is correct |
3 |
Correct |
38 ms |
63136 KB |
Output is correct |
4 |
Correct |
38 ms |
63096 KB |
Output is correct |
5 |
Correct |
37 ms |
63104 KB |
Output is correct |
6 |
Correct |
35 ms |
63128 KB |
Output is correct |
7 |
Correct |
39 ms |
63176 KB |
Output is correct |
8 |
Correct |
34 ms |
63112 KB |
Output is correct |
9 |
Correct |
34 ms |
63092 KB |
Output is correct |
10 |
Correct |
39 ms |
63172 KB |
Output is correct |
11 |
Correct |
42 ms |
63172 KB |
Output is correct |
12 |
Correct |
37 ms |
63132 KB |
Output is correct |
13 |
Correct |
35 ms |
63100 KB |
Output is correct |
14 |
Correct |
45 ms |
63096 KB |
Output is correct |
15 |
Correct |
39 ms |
63176 KB |
Output is correct |
16 |
Correct |
33 ms |
63092 KB |
Output is correct |
17 |
Correct |
34 ms |
63188 KB |
Output is correct |
18 |
Correct |
37 ms |
63180 KB |
Output is correct |
19 |
Correct |
39 ms |
63088 KB |
Output is correct |
20 |
Correct |
530 ms |
122688 KB |
Output is correct |
21 |
Correct |
728 ms |
130200 KB |
Output is correct |
22 |
Correct |
395 ms |
118540 KB |
Output is correct |
23 |
Correct |
400 ms |
112412 KB |
Output is correct |
24 |
Correct |
391 ms |
118832 KB |
Output is correct |
25 |
Correct |
593 ms |
138376 KB |
Output is correct |
26 |
Correct |
513 ms |
119836 KB |
Output is correct |
27 |
Correct |
860 ms |
152896 KB |
Output is correct |
28 |
Correct |
407 ms |
97212 KB |
Output is correct |
29 |
Correct |
382 ms |
90456 KB |
Output is correct |
30 |
Correct |
807 ms |
143356 KB |
Output is correct |
31 |
Correct |
259 ms |
85008 KB |
Output is correct |
32 |
Correct |
306 ms |
86812 KB |
Output is correct |
33 |
Correct |
332 ms |
88320 KB |
Output is correct |
34 |
Correct |
323 ms |
87228 KB |
Output is correct |
35 |
Correct |
201 ms |
89016 KB |
Output is correct |
36 |
Correct |
43 ms |
64308 KB |
Output is correct |
37 |
Correct |
118 ms |
74076 KB |
Output is correct |
38 |
Correct |
307 ms |
88736 KB |
Output is correct |
39 |
Correct |
404 ms |
91488 KB |
Output is correct |
40 |
Correct |
286 ms |
92872 KB |
Output is correct |
41 |
Correct |
327 ms |
89136 KB |
Output is correct |
42 |
Correct |
376 ms |
88872 KB |
Output is correct |
43 |
Correct |
129 ms |
74372 KB |
Output is correct |
44 |
Runtime error |
644 ms |
453276 KB |
Execution killed with signal 11 |
45 |
Halted |
0 ms |
0 KB |
- |