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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#724851 | #9431. The Quest for El Dorado | Uraboku | WA | 20ms | 129012kb | C++14 | 3.4kb | 2024-11-08 15:20:31 | 2024-11-08 15:20:31 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
const ll inf=1e17;
ll n,m,k,vis[500005];
struct dd{
ll to,f;
ll dis;
};
struct rd{
ll f;
ll dis;
}a[500005];
struct node{
ll id,f;
ll dis;
bool operator<(const node y)const{
if(f!=y.f)return f>y.f;
return dis>y.dis;
}
}dist[500005];
vector<dd>e[500005];
vector<ll>ind[500005];
ll h[500005];
ll st[500005][22];
ll find(ll l,ll r){
if(r<l)return 0;
ll t=0;
while((1<<t)<=(r-l+1)){
t++;
}
t--;
return max(st[l][t],st[r-(1<<t)+1][t]);
}
void __(){
memset(st,0,sizeof st);
memset(h,0,sizeof h);
memset(a,0,sizeof a);
cin>>n>>m>>k;
for(ll i=1;i<=max(n,m);i++){
e[i].clear();
ind[i].clear();
dist[i]={0,m+1,inf};
vis[i]=0;
}
for(ll i=1;i<=2;i++){
ll u,v,c;
ll l;
cin>>u>>v>>c>>l;
e[u].push_back({v,c,l});
e[v].push_back({u,c,l});
}
for(ll i=1;i<=k;i++){
cin>>a[i].f>>a[i].dis;
ind[a[i].f].push_back(i);
}
for(ll i=1;i<=m;i++){
h[i]=h[i-1]+ind[i].size();
for(ll j=0;j<ind[i].size();j++){
st[h[i-1]+j+1][0]=a[ind[i][j]].dis;
}
}
for(ll i=1;i<=20;i++){
for(ll j=1;j+(1<<(i))<=n+1;j++){
st[j][i]=max(st[j][i-1],st[j+(1<<(i-1))][i-1]);
}
}
priority_queue<node>q;
dist[1]={1,0,0};
q.push(dist[1]);
while(!q.empty()){
ll u=q.top().id,f=q.top().f;
ll dis=q.top().dis;
// cerr<<"u"<<u<<"\n";
q.pop();
if(vis[u])continue;
vis[u]=1;
for(auto [v,ff,len]:e[u]){
// cerr<<"v"<<v<<"\n";
if(a[f].f==ff&&a[f].dis>=dis+len){
node tmp=node{v,f,dis+len};
if(dist[v]<tmp){
dist[v]=tmp;
q.push(dist[v]);
}
continue;
}
auto it=lower_bound(ind[ff].begin(),ind[ff].end(),f+1);
if(it==ind[ff].end())continue;
ll R=h[ff]+1;
ll L=h[ff-1]+1+(it-ind[ff].begin());
ll l=L,r=R;
while(l<r){
// cerr<<l<<" "<<r<<"\n";
ll mid=l+r>>1;
// cerr<<"LR"<<L<<" "<<mid<<" "<<find(L,mid)<<"\n";
if(find(L,mid)>=len){
r=mid;
}else{
l=mid+1;
}
}
if(l>=R){
continue;
}
// cerr<<l<<" "<<h[ff-1]<<" "<<ind[ff][l-h[ff-1]-1]<<"\n";
assert(a[ind[ff][l-h[ff-1]-1]].f==ff);
node tmp=node{v,ind[ff][l-h[ff-1]-1],len};
if(dist[v]<tmp){
dist[v]=tmp;
q.push(dist[v]);
}
}
}
for(ll i=1;i<=n;i++){
cout<<vis[i];
}
// cout<<"DID"<<dist[4].f<<" "<<dist[4].dis<<"\n";
cout<<"\n";
}
signed main(){
ios::sync_with_stdio(false),cin.tie(nullptr);
ll _;cin>>_;
// if(_==1110){
// __();
// int n,m,k;
// int a,b,c,d;
// cin>>n>>m>>k;
// for(int i=1;i<=m;i++){
// cin>>a>>b>>c>>d;
// }
// for(int i=1;i<=k;i++){
// cin>>a>>b;
// if(a==5)cout<<a<<' '<<b<<"|";
// }
// return 0;
// }
while(_--)__();
}
/*
45 65 1
1 21 5 62
1 16 5 10
5 57
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 0
Wrong Answer
time: 20ms
memory: 129012kb
input:
2 5 6 4 1 2 1 30 2 3 1 50 2 5 5 50 3 4 6 10 2 4 5 30 2 5 1 40 1 70 6 100 5 40 1 30 3 1 1 2 3 1 10 1 100
output:
10000 10
result:
wrong answer 1st lines differ - expected: '11011', found: '10000'