#include "escape_route.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define inf 500000000000000000
std::vector<long long> calculate_necessary_time(
int N, int M, long long S, int Q, std::vector<int> A, std::vector<int> B,
std::vector<long long> L, std::vector<long long> C, std::vector<int> U,
std::vector<int> V, std::vector<long long> T) {
vector<vector<pair<int,int> >> side(N);
for(int i=0; i<M; i++) {
side[A[i]].push_back({B[i],i});
side[B[i]].push_back({A[i],i});
}
vector<vector<vector<pair<ll,ll> > > > dis(N,vector<vector<pair<ll,ll> >>(N,vector<pair<ll,ll> >(2*M,{inf,inf} )));
for(int e=0; e<M; e++) {
int x = A[e];
int y = B[e];
vector<ll> disx(N,inf);
vector<ll> disy(N,inf);
disx[x]=0;
disy[y]=0;
vector<bool> reachx(N);
vector<bool> reachy(N);
ll T = C[e]-L[e];
while(true) {
pair<ll,int> cur = {inf,-1};
for(int i=0; i<N; i++) if(!reachx[i]) cur = min(cur, {disx[i],i});
if(cur.first>=inf) break;
for(auto g : side[cur.second]) {
if(C[g.second]-cur.first<T) continue;
if(disx[g.first]>cur.first+L[g.second]) disx[g.first]=cur.first+L[g.second];
}
reachx[cur.second]=1;
}
while(true) {
pair<ll,int> cur = {inf,-1};
for(int i=0; i<N; i++) if(!reachy[i]) cur = min(cur, {disy[i],i});
if(cur.first>=inf) break;
for(auto g : side[cur.second]) {
if(C[g.second]-cur.first-L[g.second]<T) continue;
if(disy[g.first]>cur.first+L[g.second]) disy[g.first] = cur.first+L[g.second];
}
reachy[cur.second]=1;
}
for(int i=0; i<N; i++) {
for(int j=0; j<N; j++) {
dis[i][j][2*e] = {T-disx[i],disx[i]+disy[j]+L[e]};
}
}
for(int i=0;i<N;i++) reachy[i]=reachx[i]=0;
for(int i=0;i<N;i++) disx[i]=disy[i]=inf;
disx[x]=0;
disy[y]=0;
while(true) {
pair<ll,int> cur = {inf,-1};
for(int i=0; i<N; i++) if(!reachx[i]) cur = min(cur, {disx[i],i});
if(cur.first>=inf) break;
for(auto g : side[cur.second]) {
if(C[g.second]-cur.first-L[g.second]<T) continue;
if(disx[g.first]>cur.first+L[g.second]) disx[g.first]=cur.first+L[g.second];
}
reachx[cur.second]=1;
}
while(true) {
pair<ll,int> cur = {inf,-1};
for(int i=0; i<N; i++) if(!reachy[i]) cur = min(cur, {disy[i],i});
if(cur.first>=inf) break;
for(auto g : side[cur.second]) {
if(C[g.second]-cur.first<T) continue;
if(disy[g.first]>cur.first+L[g.second]) disy[g.first] = cur.first+L[g.second];
}
reachy[cur.second]=1;
}
for(int i=0; i<N; i++) {
for(int j=0; j<N; j++) {
dis[i][j][2*e+1] = {T-disy[i],disx[j]+disy[i]+L[e]};
}
}
}
for(int i=0; i<N; i++) {
for(int j=0; j<N; j++) {
sort(dis[i][j].begin(),dis[i][j].end());
for(int e=2*M-2; e>=0; e--) dis[i][j][e].second = min(dis[i][j][e].second,dis[i][j][e+1].second);
}
}
vector<vector<bool> > reach(N,vector<bool>(N,0));
vector<vector<ll> > dis0(N,vector<ll>(N,0));
for(int s=0; s<N; s++) {
for(int i=0; i<N; i++) dis0[s][i]=inf;
dis0[s][s]=0;
while(true) {
pair<ll,int> cur = {inf,-1};
for(int i=0; i<N; i++) if(!reach[s][i]) cur = min(cur, {dis0[s][i],i});
if(cur.first>=inf) break;
for(auto e : side[cur.second]) {
int mind = e.second;
if(C[mind]-L[mind]<cur.first) continue;
if(dis0[s][e.first]>cur.first+L[mind]) {
dis0[s][e.first] = cur.first+L[mind];
}
}
reach[s][cur.second]=1;
}
}
vector<vector<pair<ll,ll> > > Tdis(N,vector<pair<ll,ll>>(N));
for(int s=0;s<N;s++){
vector<bool> r(N,0);
for(int i=0;i<N;i++) Tdis[s][i] = {100,inf};
Tdis[s][s]={0,0};
while(true) {
pair<pair<ll,ll>,int> cur = {{100,inf},-1};
for(int i=0;i<N;i++){
if(!r[i]){
cur = min(cur,{Tdis[s][i],i});
}
}
if(cur.first.first>=100 || cur.first.second>=inf) break;
for(int i=0;i<N;i++){
if(dis0[cur.second][i]<S){
if(Tdis[s][i]>make_pair(cur.first.first+1,dis0[cur.second][i])){
Tdis[s][i] = make_pair(cur.first.first+1,dis0[cur.second][i]);
}
}
}
r[cur.second]=1;
}
}
vector<ll> ans(Q,inf);
/*
for(int i=0;i<N;i++){
for(int j=0;j<N;j++){
cout<<i<<" "<<j<<":"<<"("<<Tdis[i][j].first<<","<<Tdis[i][j].second<<")\n";
}
}*/
for(int i=0;i<Q;i++){
int u = U[i];
ans[i] = min(ans[i],S-T[i]+Tdis[u][V[i]].second);
for(int v=0;v<N;v++){
if(v==u) continue;
ll l =-1;
ll r = 2*M;
while(r-l>1){
ll mid = (r+l)/2;
if(dis[u][v][mid].first>=T[i]) r = mid;
else l = mid;
}
if(r>=2*M) continue;
if(dis[u][v][r].second+T[i]<S && dis[u][v][r].second>0){
if(v==V[i]){
ans[i] = min(ans[i],dis[u][v][r].second);
}else{
ans[i] = min(ans[i],S-T[i]+((Tdis[v][V[i]].first-1)*S)+Tdis[v][V[i]].second);
}
}
}
}
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
10 ms |
65116 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
8096 ms |
150028 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
10 ms |
65116 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
10 ms |
65116 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
10 ms |
65116 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
