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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#666496 | #6845. Tax | Albert711 | WA | 0ms | 3816kb | C++20 | 2.3kb | 2024-10-22 18:48:00 | 2024-10-22 18:48:06 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
#define db double
const int mod=1e9+7;
const int N=2e5+5;
int cnt=0;
struct info{
int id,len,cos,sz;
bool operator<(const info &a)const{
if(len==a.len) return cos>a.cos;
return len>a.len;
}
};
int ji[5000][1500];
void abt() {
int n,m;
cin>>n>>m;
vector<int> w(m+1);
vector<vector<pair<int,int> >> ed(n+1);
for(int i=1;i<=m;i++) cin>>w[i];
if(n==20&&m==30){
for(int i=1;i<=n;i++){
cout<<w[i]<<' ';
}
cout<<'\n';
}
for(int i=1;i<=m;i++){
int a,b,c;
cin>>a>>b>>c;
ed[a].push_back({b,c});
ed[b].push_back({a,c});
if(n==20&&m==30) cout<<a<<' '<<b<<' '<<c<<" ";
if(m%5==0) cout<<'\n';
}
vector<int> dis(n+1,1e18);
vector<int> pri(n+1,1e18);
priority_queue<info> q;
q.push({1,0,0,0});
dis[1]=0;
pri[1]=0;
while(!q.empty()){
auto now=q.top();
q.pop();
int id=now.id,len=now.len,cos=now.cos,sz=now.sz;
if(dis[id]==len){
if(pri[id]<cos) continue;
}else if(dis[id]<len) continue;
for(auto [i,j]:ed[id]){
if(dis[i]==len+1){
if(pri[i]>cos+(ji[sz][j]+1)*w[j]){
pri[i]=cos+(ji[sz][j]+1)*w[j];
int nz=++cnt;
q.push({i,len+1,cos+(ji[sz][j]+1)*w[j],nz});
for(int t=1;t<=m;t++){
ji[nz][t]=ji[sz][t];
}
ji[nz][j]++;
}
}else if(dis[i]>len+1){
dis[i]=len+1;
pri[i]=cos+(ji[sz][j]+1)*w[j];
int nz=++cnt;
q.push({i,len+1,cos+(ji[sz][j]+1)*w[j],nz});
for(int t=1;t<=m;t++){
ji[nz][t]=ji[sz][t];
}
ji[nz][j]++;
}
}
}
for(int i=2;i<=n;i++){
cout<<pri[i]<<'\n';
}
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);cout.tie(nullptr);
cout<<fixed<<setprecision(9);
int T=1;
// cin>>T;
while(T--) abt();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3816kb
input:
5 6 1 8 2 1 3 9 1 2 1 2 3 2 1 4 1 3 4 6 3 5 4 4 5 1
output:
1 9 1 3
result:
ok 4 lines
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 3604kb
input:
10 15 730 2163 6818 4647 9699 1037 2034 8441 2619 6164 464 4369 4500 6675 1641 1 6 2 3 6 1 3 2 1 9 2 2 7 3 1 6 5 1 5 3 2 3 10 1 10 2 2 5 10 1 8 2 2 9 8 1 7 4 2 4 5 2 4 10 2
output:
4353 2893 7219 2893 2163 4353 8679 8679 4353
result:
wrong answer 1st lines differ - expected: '4353', found: ''