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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#754870 | #9431. The Quest for El Dorado | wsxcb | RE | 0ms | 3864kb | C++17 | 2.3kb | 2024-11-16 16:00:29 | 2024-11-16 16:00:38 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define fi first
#define se second
typedef vector<vector<ll>> Mat;
const int N=3e5+10,mod=998244353,inf=2e9+18;
const double pi=acos(-1.0),esp=1e-9;
const ll INF=1e18;
struct node{
int u,col,v1,v2;
bool operator<(const node &t)const{
if(v1==t.v1) return t.v2>v2;
return t.v1<v1;
}
};
const int M=20;
void solve(){
int n,m,k;
cin>>n>>m>>k;
vector< vector<vector<int>> >st(m+1,vector<vector<int>>(20));
vector<vector<int>>pos(m+1);
vector<int>vis(n+1);
vector< vector< array<int,3> > >e(n+1);
pair<int,int>sc={inf,inf};
vector<pair<int,int>>dis(n+1,sc);
dis[1]={0,0};
//cout<<e.size()<<'\n';
for(int i=1;i<=m;i++){
int u,v,c,l;
cin>>u>>v>>c>>l;
e[u].pb({v,c,l});
e[v].pb({u,c,l});
pos[i].pb(0);
st[i][0].pb(0);
}
priority_queue<node>q;
for(int i=1;i<=k;i++){
int a,b;
cin>>a>>b;
pos[a].pb(i);
st[a][0].pb(b);
}
for(int i=1;i<=m;i++){
int len1=pos[i].size(),len2=__lg(pos[i].size());
for(int j=1;j<len2;j++){
st[i][j].resize(len1);
for(int k=0;k+(1<<j)-1<len1;k++)
st[i][j][k]=max(st[i][j-1][k],st[i][j-1][k+(1<<(j-1))]);
}
}
auto get=[&](int col,int l,int r){
int len=__lg(r-l+1);
return max(st[col][len][l],st[col][len][r-(1<<len)+1]);
};
q.push({1,0,0,0});
while(q.size()){
auto [u,col1,v1,v2]=q.top();
q.pop();
if(vis[u])continue;
vis[u]=1;
for(auto [v,col2,l]:e[u]){
if(col1==col2&&v2>=l){
if(dis[v].fi>v1||(dis[v].fi==v1&&dis[v].se<v2-l))
{
dis[v]={v1,v2-l};
q.push({v,col1,v1,v2-l});
}
continue;
}
int p1=upper_bound(pos[col2].begin(),pos[col2].end(),v1)-pos[col2].begin();
int l1=p1,r1=pos[col2].size()-1,ans=-1;
while(l1<=r1){
int mid=(l1+r1)/2;
if(get(col2,p1,mid)>=l){
r1=mid-1;
ans=mid;
}else
l1=mid+1;
}
if(ans==-1)continue;
int x=pos[col2][ans],y=st[col2][0][ans]-l;
if(x<dis[v].fi||(x==dis[v].fi&&y>dis[v].se)){
dis[v]={x,y};
q.push({v,col2,x,y});
}
}
}
for(int i=1;i<=n;i++){
if(dis[i].fi<=k)cout<<1;
else cout<<0;
}
cout<<'\n';
}
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
int t=1;
cin>>t;
while(t--)
solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3864kb
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:
11011 100
result:
ok 2 lines
Test #2:
score: -100
Runtime Error
input:
1110 46 80 30 44 23 5 46 10 28 1 64 32 34 3 40 9 36 1 26 15 14 5 95 38 19 2 34 2 17 4 183 10 38 2 81 5 15 2 83 31 38 3 100 40 30 1 53 41 10 1 193 29 20 5 18 14 41 3 78 8 16 5 74 46 13 3 78 44 28 3 45 1 40 3 133 5 32 1 108 22 26 2 83 10 38 1 77 11 40 1 11 17 21 2 66 41 46 3 98 9 36 2 25 40 18 1 19 27...