# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
706355 |
2023-03-06T10:26:23 Z |
becaido |
Robot (JOI21_ho_t4) |
C++17 |
|
841 ms |
85668 KB |
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;
#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout (T t, U...u) {cout << t << (sizeof... (u) ? ", " : ""), dout (u...);}
#else
#define debug(...) 7122
#endif
#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second
const ll INF = 1e18;
const int SIZE = 1e5 + 5;
int n, m;
ll ans = INF;
unordered_set<int> us[SIZE];
unordered_map<int, vector<pair<int, int>>> adj[SIZE];
priority_queue<tuple<ll, int, int>, vector<tuple<ll, int, int>>, greater<tuple<ll, int, int>>> pq;
void solve() {
cin >> n >> m;
while (m--) {
int a, b, c, w;
cin >> a >> b >> c >> w;
adj[a][c].pb(b, w);
adj[b][c].pb(a, w);
}
pq.emplace(0, 1, 0);
while (pq.size()) {
auto [d, pos, color] = pq.top();
pq.pop();
if (us[pos].count(color)) continue;
if (pos == n && color == 0) ans = min(ans, d);
us[pos].insert(color);
if (color == 0) {
for (auto [c, v] : adj[pos]) {
ll sum = 0;
for (auto [np, w] : v) sum += w;
for (auto [np, w] : v) {
pq.emplace(d + min((ll) w, sum - w), np, 0);
pq.emplace(d, np, c);
}
}
} else {
ll sum = 0;
for (auto [np, w] : adj[pos][color]) sum += w;
for (auto [np, w] : adj[pos][color]) pq.emplace(d + sum - w, np, 0);
}
}
cout << (ans == INF ? -1 : ans) << '\n';
}
int main() {
Waimai;
solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
11220 KB |
Output is correct |
2 |
Correct |
7 ms |
11220 KB |
Output is correct |
3 |
Correct |
7 ms |
11220 KB |
Output is correct |
4 |
Correct |
7 ms |
11220 KB |
Output is correct |
5 |
Correct |
8 ms |
11280 KB |
Output is correct |
6 |
Correct |
6 ms |
11220 KB |
Output is correct |
7 |
Correct |
8 ms |
11348 KB |
Output is correct |
8 |
Correct |
7 ms |
11348 KB |
Output is correct |
9 |
Correct |
10 ms |
11932 KB |
Output is correct |
10 |
Correct |
10 ms |
11860 KB |
Output is correct |
11 |
Correct |
11 ms |
11816 KB |
Output is correct |
12 |
Correct |
9 ms |
11680 KB |
Output is correct |
13 |
Correct |
9 ms |
11732 KB |
Output is correct |
14 |
Correct |
10 ms |
11732 KB |
Output is correct |
15 |
Correct |
8 ms |
11604 KB |
Output is correct |
16 |
Correct |
9 ms |
11680 KB |
Output is correct |
17 |
Correct |
8 ms |
11676 KB |
Output is correct |
18 |
Correct |
8 ms |
11424 KB |
Output is correct |
19 |
Correct |
10 ms |
11552 KB |
Output is correct |
20 |
Correct |
8 ms |
11676 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
249 ms |
30220 KB |
Output is correct |
2 |
Correct |
97 ms |
21112 KB |
Output is correct |
3 |
Correct |
335 ms |
31408 KB |
Output is correct |
4 |
Correct |
155 ms |
25484 KB |
Output is correct |
5 |
Correct |
746 ms |
85668 KB |
Output is correct |
6 |
Correct |
624 ms |
69608 KB |
Output is correct |
7 |
Correct |
440 ms |
66584 KB |
Output is correct |
8 |
Correct |
420 ms |
53364 KB |
Output is correct |
9 |
Correct |
459 ms |
53476 KB |
Output is correct |
10 |
Correct |
341 ms |
41648 KB |
Output is correct |
11 |
Correct |
98 ms |
28372 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
11220 KB |
Output is correct |
2 |
Correct |
7 ms |
11220 KB |
Output is correct |
3 |
Correct |
7 ms |
11220 KB |
Output is correct |
4 |
Correct |
7 ms |
11220 KB |
Output is correct |
5 |
Correct |
8 ms |
11280 KB |
Output is correct |
6 |
Correct |
6 ms |
11220 KB |
Output is correct |
7 |
Correct |
8 ms |
11348 KB |
Output is correct |
8 |
Correct |
7 ms |
11348 KB |
Output is correct |
9 |
Correct |
10 ms |
11932 KB |
Output is correct |
10 |
Correct |
10 ms |
11860 KB |
Output is correct |
11 |
Correct |
11 ms |
11816 KB |
Output is correct |
12 |
Correct |
9 ms |
11680 KB |
Output is correct |
13 |
Correct |
9 ms |
11732 KB |
Output is correct |
14 |
Correct |
10 ms |
11732 KB |
Output is correct |
15 |
Correct |
8 ms |
11604 KB |
Output is correct |
16 |
Correct |
9 ms |
11680 KB |
Output is correct |
17 |
Correct |
8 ms |
11676 KB |
Output is correct |
18 |
Correct |
8 ms |
11424 KB |
Output is correct |
19 |
Correct |
10 ms |
11552 KB |
Output is correct |
20 |
Correct |
8 ms |
11676 KB |
Output is correct |
21 |
Correct |
249 ms |
30220 KB |
Output is correct |
22 |
Correct |
97 ms |
21112 KB |
Output is correct |
23 |
Correct |
335 ms |
31408 KB |
Output is correct |
24 |
Correct |
155 ms |
25484 KB |
Output is correct |
25 |
Correct |
746 ms |
85668 KB |
Output is correct |
26 |
Correct |
624 ms |
69608 KB |
Output is correct |
27 |
Correct |
440 ms |
66584 KB |
Output is correct |
28 |
Correct |
420 ms |
53364 KB |
Output is correct |
29 |
Correct |
459 ms |
53476 KB |
Output is correct |
30 |
Correct |
341 ms |
41648 KB |
Output is correct |
31 |
Correct |
98 ms |
28372 KB |
Output is correct |
32 |
Correct |
317 ms |
36496 KB |
Output is correct |
33 |
Correct |
319 ms |
31468 KB |
Output is correct |
34 |
Correct |
577 ms |
44996 KB |
Output is correct |
35 |
Correct |
459 ms |
41264 KB |
Output is correct |
36 |
Correct |
379 ms |
55532 KB |
Output is correct |
37 |
Correct |
424 ms |
57300 KB |
Output is correct |
38 |
Correct |
413 ms |
68188 KB |
Output is correct |
39 |
Correct |
318 ms |
31256 KB |
Output is correct |
40 |
Correct |
399 ms |
55096 KB |
Output is correct |
41 |
Correct |
496 ms |
55380 KB |
Output is correct |
42 |
Correct |
646 ms |
58196 KB |
Output is correct |
43 |
Correct |
212 ms |
30060 KB |
Output is correct |
44 |
Correct |
629 ms |
44860 KB |
Output is correct |
45 |
Correct |
347 ms |
52808 KB |
Output is correct |
46 |
Correct |
307 ms |
52064 KB |
Output is correct |
47 |
Correct |
443 ms |
59220 KB |
Output is correct |
48 |
Correct |
841 ms |
85644 KB |
Output is correct |