#include "bits/stdc++.h"
#include "cyberland.h"
using namespace std;
#define INF 2000000000
#define INFLL 3000000000000000000LL
#define ll long long
double solve(int N, int M, int K, int H, vector<int> x, vector<int> y, vector<int> c, vector<int> arr) {
vector<pair<int,int>>adj[N];
for(int i=0;i<M;i++){
adj[x[i]].push_back({y[i],c[i]});
adj[y[i]].push_back({x[i],c[i]});
}
long long dis2[N][min(K,41)+1];
long double dis[N][min(K,41)+1];
for(int i=0;i<N;i++){
for(int j=0;j<=min(K,41);j++){
dis2[i][j]=INFLL;
dis[i][j]=0;
}
}
priority_queue<pair<pair<long long,long double>,pair<int,int>>>q;
q.push({{-0,-0},{H,0}});
while(!q.empty()){
auto u=q.top();q.pop();
long long d1=-u.first.first;
long double d=-u.first.second;
int cur=u.second.first;
int k=u.second.second;
//cout<<dis[cur][k]<<" ";
if(dis2[cur][k]!=INFLL)continue;
//cout<<dis[cur][k]<<" ";
dis2[cur][k]=d1;
dis[cur][k]=d;
if(arr[cur]==2)k=min(min(K,41),k+1);
if(arr[cur]!=0&&cur!=0){
long double fact1=1<<k;
long double fact2=1<<max(k-30,0);
for(auto v:adj[cur]){
if(v.first==H)continue;
long double qw=d+v.second/fact1/fact2;
//cout<<qw<<" ";
int qwe=qw;
long double d2=qw-qwe;
long long d3=d1+qwe;
q.push({{-d3,-d2},{v.first,k}});
}
}
}
for(int i=0;i<N;i++){
for(int j=0;j<=min(K,41);j++){
long double d=dis2[i][j];
d+=dis[i][j];
//cout<<d<<" ";
}
//cout<<"\n";
}
queue<int>q2;
vector<bool>vis(N,0);
q2.push(0);
pair<long long,long double>mn={INFLL,0};
for(int i=0;i<=min(K,41);i++)mn=min(mn,{dis2[0][i],dis[0][i]});
while(!q2.empty()){
int cur=q2.front();
q2.pop();
if(vis[cur]||cur==H)continue;
vis[cur]=1;
if(arr[cur]==0)for(int i=0;i<=min(K,41);i++)mn=min(mn,{dis2[cur][i],dis[cur][i]});
for(auto u:adj[cur])q2.push(u.first);
}
if(mn.first==INFLL){
return -1;
}
else{
long long d=mn.first;
long double d2=mn.second;
if(d>INF)return d;
else{
long double ret=mn.first;
ret+=d2;
return ret;
}
}
return -1;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
600 KB |
Correct. |
2 |
Correct |
17 ms |
812 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
25 ms |
1372 KB |
Correct. |
2 |
Correct |
28 ms |
2392 KB |
Correct. |
3 |
Correct |
27 ms |
2140 KB |
Correct. |
4 |
Correct |
28 ms |
2140 KB |
Correct. |
5 |
Correct |
27 ms |
2136 KB |
Correct. |
6 |
Correct |
26 ms |
9296 KB |
Correct. |
7 |
Correct |
35 ms |
9496 KB |
Correct. |
8 |
Correct |
26 ms |
17212 KB |
Correct. |
9 |
Correct |
24 ms |
1308 KB |
Correct. |
10 |
Correct |
24 ms |
1364 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
1112 KB |
Correct. |
2 |
Correct |
24 ms |
2248 KB |
Correct. |
3 |
Correct |
23 ms |
2180 KB |
Correct. |
4 |
Correct |
24 ms |
1368 KB |
Correct. |
5 |
Correct |
24 ms |
1368 KB |
Correct. |
6 |
Correct |
7 ms |
7004 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
46 ms |
47696 KB |
Correct. |
2 |
Correct |
24 ms |
2140 KB |
Correct. |
3 |
Correct |
21 ms |
2140 KB |
Correct. |
4 |
Correct |
22 ms |
2148 KB |
Correct. |
5 |
Correct |
35 ms |
1368 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
1368 KB |
Correct. |
2 |
Correct |
41 ms |
2484 KB |
Correct. |
3 |
Correct |
31 ms |
2416 KB |
Correct. |
4 |
Correct |
40 ms |
10500 KB |
Correct. |
5 |
Correct |
25 ms |
1372 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
1340 KB |
Correct. |
2 |
Correct |
22 ms |
2140 KB |
Correct. |
3 |
Correct |
63 ms |
64212 KB |
Correct. |
4 |
Correct |
18 ms |
6648 KB |
Correct. |
5 |
Correct |
26 ms |
1320 KB |
Correct. |
6 |
Correct |
28 ms |
2140 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
201 ms |
1820 KB |
Correct. |
2 |
Correct |
43 ms |
2136 KB |
Correct. |
3 |
Correct |
1113 ms |
52136 KB |
Correct. |
4 |
Correct |
483 ms |
15884 KB |
Correct. |
5 |
Correct |
995 ms |
38040 KB |
Correct. |
6 |
Correct |
873 ms |
21420 KB |
Correct. |
7 |
Correct |
573 ms |
15456 KB |
Correct. |
8 |
Correct |
303 ms |
4756 KB |
Correct. |
9 |
Correct |
194 ms |
2432 KB |
Correct. |
10 |
Correct |
182 ms |
2828 KB |
Correct. |
11 |
Correct |
226 ms |
3152 KB |
Correct. |
12 |
Correct |
200 ms |
2700 KB |
Correct. |
13 |
Correct |
199 ms |
2460 KB |
Correct. |
14 |
Correct |
558 ms |
14676 KB |
Correct. |
15 |
Correct |
536 ms |
7504 KB |
Correct. |
16 |
Correct |
219 ms |
2464 KB |
Correct. |
17 |
Correct |
196 ms |
2644 KB |
Correct. |
18 |
Correct |
188 ms |
2432 KB |
Correct. |
19 |
Correct |
178 ms |
3056 KB |
Correct. |
20 |
Correct |
16 ms |
600 KB |
Correct. |
21 |
Correct |
17 ms |
1116 KB |
Correct. |
22 |
Correct |
78 ms |
2392 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
280 ms |
1960 KB |
Correct. |
2 |
Correct |
63 ms |
2700 KB |
Correct. |
3 |
Incorrect |
1181 ms |
110420 KB |
Double -23278.5 violates the range [-1, 1e+18] |
4 |
Halted |
0 ms |
0 KB |
- |