| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 939452 |
2024-03-06T11:31:21 Z |
koukirocks |
Robot (JOI21_ho_t4) |
C++17 |
|
432 ms |
157640 KB |
#include <bits/stdc++.h>
#define eb emplace_back
#define F first
#define S second
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
const ll MAX=1e6+10;
const ll oo=0x3f3f3f3f3f3f3f3f;
ll n,m;
struct edge{
ll d,clr,cst;
edge(ll a,ll b,ll c):d(a),clr(b),cst(c){}
};
vector<edge> G[MAX];
vector<pll> G2[MAX*3];
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
cin>>n>>m;
for (int i=0;i<m;i++) {
ll a,b,c,p;
cin>>a>>b>>c>>p;
G[a].eb(b,c,p);
G[b].eb(a,c,p);
G2[a].eb(b,p);
G2[b].eb(a,p);
}
ll now=n+1;
for (int i=1;i<=n;i++) {
map<int,vector<pll> > ttl;
for (auto eg:G[i]) ttl[eg.clr].eb(eg.d,eg.cst);
for (auto [clr,egs]:ttl) {
ll ttlw=0;
for (auto eg:egs) ttlw+=eg.S;
G2[i].push_back({now,0});
for (auto eg:egs) {
G2[now].eb(eg.F,ttlw-eg.S);
G2[eg.F].eb(now,0);
}
now++;
}
}
priority_queue<pll> D;
vector<bool> vis(now+1,0);
vector<ll> d(now+1,oo);
d[1]=0;
D.emplace(0,1);
while (!D.empty()) {
while (!D.empty() and vis[D.top().S]) D.pop();
if (D.empty()) break;
int v=D.top().S;
D.pop();
vis[v]=true;
for (auto [u,w]:G2[v]) {
if (!vis[u] and d[v]+w<d[u]) {
d[u]=d[v]+w;
D.emplace(-d[u],u);
}
}
}
cout<<(d[n]==oo?-1:d[n])<<"\n";
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
48 ms |
94288 KB |
Output is correct |
| 2 |
Correct |
22 ms |
94384 KB |
Output is correct |
| 3 |
Correct |
21 ms |
94300 KB |
Output is correct |
| 4 |
Correct |
22 ms |
94300 KB |
Output is correct |
| 5 |
Correct |
22 ms |
94300 KB |
Output is correct |
| 6 |
Correct |
23 ms |
94300 KB |
Output is correct |
| 7 |
Correct |
22 ms |
94552 KB |
Output is correct |
| 8 |
Correct |
22 ms |
94296 KB |
Output is correct |
| 9 |
Correct |
23 ms |
94812 KB |
Output is correct |
| 10 |
Correct |
23 ms |
94808 KB |
Output is correct |
| 11 |
Correct |
23 ms |
94812 KB |
Output is correct |
| 12 |
Correct |
23 ms |
94812 KB |
Output is correct |
| 13 |
Correct |
22 ms |
94812 KB |
Output is correct |
| 14 |
Correct |
22 ms |
94812 KB |
Output is correct |
| 15 |
Correct |
22 ms |
94716 KB |
Output is correct |
| 16 |
Correct |
26 ms |
94808 KB |
Output is correct |
| 17 |
Correct |
23 ms |
94772 KB |
Output is correct |
| 18 |
Correct |
22 ms |
94556 KB |
Output is correct |
| 19 |
Correct |
23 ms |
94812 KB |
Output is correct |
| 20 |
Correct |
23 ms |
94556 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
120 ms |
114524 KB |
Output is correct |
| 2 |
Correct |
74 ms |
103288 KB |
Output is correct |
| 3 |
Correct |
122 ms |
125128 KB |
Output is correct |
| 4 |
Correct |
88 ms |
107140 KB |
Output is correct |
| 5 |
Correct |
416 ms |
155972 KB |
Output is correct |
| 6 |
Correct |
356 ms |
148900 KB |
Output is correct |
| 7 |
Correct |
285 ms |
145756 KB |
Output is correct |
| 8 |
Correct |
330 ms |
142416 KB |
Output is correct |
| 9 |
Correct |
340 ms |
142316 KB |
Output is correct |
| 10 |
Correct |
192 ms |
125128 KB |
Output is correct |
| 11 |
Correct |
123 ms |
118344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
48 ms |
94288 KB |
Output is correct |
| 2 |
Correct |
22 ms |
94384 KB |
Output is correct |
| 3 |
Correct |
21 ms |
94300 KB |
Output is correct |
| 4 |
Correct |
22 ms |
94300 KB |
Output is correct |
| 5 |
Correct |
22 ms |
94300 KB |
Output is correct |
| 6 |
Correct |
23 ms |
94300 KB |
Output is correct |
| 7 |
Correct |
22 ms |
94552 KB |
Output is correct |
| 8 |
Correct |
22 ms |
94296 KB |
Output is correct |
| 9 |
Correct |
23 ms |
94812 KB |
Output is correct |
| 10 |
Correct |
23 ms |
94808 KB |
Output is correct |
| 11 |
Correct |
23 ms |
94812 KB |
Output is correct |
| 12 |
Correct |
23 ms |
94812 KB |
Output is correct |
| 13 |
Correct |
22 ms |
94812 KB |
Output is correct |
| 14 |
Correct |
22 ms |
94812 KB |
Output is correct |
| 15 |
Correct |
22 ms |
94716 KB |
Output is correct |
| 16 |
Correct |
26 ms |
94808 KB |
Output is correct |
| 17 |
Correct |
23 ms |
94772 KB |
Output is correct |
| 18 |
Correct |
22 ms |
94556 KB |
Output is correct |
| 19 |
Correct |
23 ms |
94812 KB |
Output is correct |
| 20 |
Correct |
23 ms |
94556 KB |
Output is correct |
| 21 |
Correct |
120 ms |
114524 KB |
Output is correct |
| 22 |
Correct |
74 ms |
103288 KB |
Output is correct |
| 23 |
Correct |
122 ms |
125128 KB |
Output is correct |
| 24 |
Correct |
88 ms |
107140 KB |
Output is correct |
| 25 |
Correct |
416 ms |
155972 KB |
Output is correct |
| 26 |
Correct |
356 ms |
148900 KB |
Output is correct |
| 27 |
Correct |
285 ms |
145756 KB |
Output is correct |
| 28 |
Correct |
330 ms |
142416 KB |
Output is correct |
| 29 |
Correct |
340 ms |
142316 KB |
Output is correct |
| 30 |
Correct |
192 ms |
125128 KB |
Output is correct |
| 31 |
Correct |
123 ms |
118344 KB |
Output is correct |
| 32 |
Correct |
103 ms |
124180 KB |
Output is correct |
| 33 |
Correct |
126 ms |
121184 KB |
Output is correct |
| 34 |
Correct |
261 ms |
129736 KB |
Output is correct |
| 35 |
Correct |
171 ms |
122564 KB |
Output is correct |
| 36 |
Correct |
223 ms |
128168 KB |
Output is correct |
| 37 |
Correct |
244 ms |
139640 KB |
Output is correct |
| 38 |
Correct |
254 ms |
147296 KB |
Output is correct |
| 39 |
Correct |
127 ms |
136224 KB |
Output is correct |
| 40 |
Correct |
338 ms |
142460 KB |
Output is correct |
| 41 |
Correct |
368 ms |
142144 KB |
Output is correct |
| 42 |
Correct |
361 ms |
138608 KB |
Output is correct |
| 43 |
Correct |
145 ms |
117960 KB |
Output is correct |
| 44 |
Correct |
179 ms |
140236 KB |
Output is correct |
| 45 |
Correct |
300 ms |
131188 KB |
Output is correct |
| 46 |
Correct |
270 ms |
127800 KB |
Output is correct |
| 47 |
Correct |
246 ms |
133132 KB |
Output is correct |
| 48 |
Correct |
432 ms |
157640 KB |
Output is correct |
