Submission #4631011
Source Code Expand
import sys from collections import deque N, M = map(int, input().split()) Edge = [[] for _ in range(N+1)] comp = set() for _ in range(M): p, q, c = map(int, sys.stdin.readline().split()) Edge[p].append((q, c)) Edge[q].append((p, c)) comp.add(c) dist = {(1, 0): 0} Q = deque() Q.append((1, 0)) visited = set() while Q: vn, cp = Q.pop() if (vn, cp) in visited: continue visited.add((vn, cp)) for vf, cf in Edge[vn]: if cp == cf: dist[(vf, cf)] = min(dist.get((vf, cf), float('inf')), dist.get((vn, cp), float('inf'))) Q.append((vf, cf)) else: dist[(vf, cf)] = min(dist.get((vf, cf), float('inf')), 1 + dist.get((vn, cp), float('inf'))) Q.appendleft((vf, cf)) print(min([dist.get((N, c), float('inf')) for c in comp]))
Submission Info
Submission Time | |
---|---|
Task | E - Snuke's Subway Trip |
User | Tallfall |
Language | Python (3.4.3) |
Score | 0 |
Code Size | 847 Byte |
Status | RE |
Exec Time | 3169 ms |
Memory | 204376 KB |
Judge Result
Set Name | Sample | All | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 600 | ||||||||
Status | AC |
|
Set Name | Test Cases |
---|---|
Sample | |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, sample_01.txt, sample_02.txt, sample_03.txt, w1.txt, w10.txt, w11.txt, w12.txt, w13.txt, w14.txt, w15.txt, w16.txt, w17.txt, w18.txt, w2.txt, w3.txt, w4.txt, w5.txt, w6.txt, w7.txt, w8.txt, w9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 32 ms | 3828 KB |
02.txt | TLE | 3166 ms | 157104 KB |
03.txt | TLE | 3166 ms | 204376 KB |
04.txt | WA | 651 ms | 55976 KB |
05.txt | TLE | 3164 ms | 148828 KB |
06.txt | AC | 1213 ms | 85668 KB |
07.txt | AC | 1463 ms | 83596 KB |
08.txt | TLE | 3165 ms | 197444 KB |
09.txt | AC | 1681 ms | 85772 KB |
10.txt | AC | 1659 ms | 85172 KB |
11.txt | TLE | 3163 ms | 140204 KB |
12.txt | AC | 1895 ms | 73240 KB |
13.txt | TLE | 3165 ms | 140136 KB |
14.txt | AC | 2730 ms | 120120 KB |
15.txt | WA | 1462 ms | 75100 KB |
16.txt | AC | 2205 ms | 101160 KB |
17.txt | TLE | 3166 ms | 156756 KB |
18.txt | AC | 2059 ms | 78180 KB |
19.txt | AC | 2435 ms | 107528 KB |
20.txt | TLE | 3167 ms | 177056 KB |
21.txt | TLE | 3168 ms | 186120 KB |
22.txt | TLE | 3168 ms | 191644 KB |
23.txt | TLE | 3167 ms | 193500 KB |
24.txt | AC | 2878 ms | 144076 KB |
25.txt | TLE | 3165 ms | 138792 KB |
26.txt | TLE | 3165 ms | 134280 KB |
27.txt | AC | 2887 ms | 148416 KB |
28.txt | AC | 2659 ms | 134240 KB |
29.txt | AC | 2915 ms | 146728 KB |
30.txt | AC | 2430 ms | 112500 KB |
31.txt | TLE | 3165 ms | 156172 KB |
32.txt | AC | 2092 ms | 92716 KB |
33.txt | AC | 2990 ms | 150680 KB |
34.txt | TLE | 3166 ms | 165152 KB |
35.txt | AC | 1139 ms | 51848 KB |
36.txt | TLE | 3165 ms | 144456 KB |
37.txt | TLE | 3166 ms | 161700 KB |
38.txt | TLE | 3166 ms | 164104 KB |
sample_01.txt | AC | 22 ms | 3316 KB |
sample_02.txt | AC | 21 ms | 3316 KB |
sample_03.txt | RE | 21 ms | 3316 KB |
w1.txt | TLE | 3163 ms | 122856 KB |
w10.txt | TLE | 3160 ms | 81732 KB |
w11.txt | TLE | 3167 ms | 170092 KB |
w12.txt | TLE | 3167 ms | 167624 KB |
w13.txt | TLE | 3160 ms | 67880 KB |
w14.txt | TLE | 3159 ms | 64328 KB |
w15.txt | TLE | 3160 ms | 125260 KB |
w16.txt | TLE | 3164 ms | 125472 KB |
w17.txt | TLE | 3165 ms | 138088 KB |
w18.txt | TLE | 3160 ms | 63636 KB |
w2.txt | TLE | 3162 ms | 120252 KB |
w3.txt | AC | 2874 ms | 130976 KB |
w4.txt | AC | 1514 ms | 81696 KB |
w5.txt | TLE | 3168 ms | 196552 KB |
w6.txt | TLE | 3167 ms | 186080 KB |
w7.txt | TLE | 3167 ms | 175900 KB |
w8.txt | TLE | 3169 ms | 182680 KB |
w9.txt | TLE | 3160 ms | 67220 KB |