結果
問題 | No.1473 おでぶなおばけさん |
ユーザー | harurun |
提出日時 | 2021-04-10 00:23:56 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 1,421 ms / 2,000 ms |
コード長 | 3,317 bytes |
コンパイル時間 | 279 ms |
コンパイル使用メモリ | 13,184 KB |
実行使用メモリ | 70,252 KB |
最終ジャッジ日時 | 2024-06-25 13:10:02 |
合計ジャッジ時間 | 33,274 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 72 ms
19,168 KB |
testcase_01 | AC | 73 ms
19,164 KB |
testcase_02 | AC | 1,300 ms
64,712 KB |
testcase_03 | AC | 722 ms
53,680 KB |
testcase_04 | AC | 619 ms
44,984 KB |
testcase_05 | AC | 209 ms
28,124 KB |
testcase_06 | AC | 791 ms
55,556 KB |
testcase_07 | AC | 1,304 ms
69,236 KB |
testcase_08 | AC | 1,421 ms
70,252 KB |
testcase_09 | AC | 1,291 ms
68,840 KB |
testcase_10 | AC | 354 ms
40,984 KB |
testcase_11 | AC | 355 ms
40,704 KB |
testcase_12 | AC | 352 ms
41,008 KB |
testcase_13 | AC | 227 ms
30,440 KB |
testcase_14 | AC | 197 ms
28,640 KB |
testcase_15 | AC | 311 ms
37,448 KB |
testcase_16 | AC | 344 ms
40,460 KB |
testcase_17 | AC | 88 ms
20,444 KB |
testcase_18 | AC | 101 ms
21,724 KB |
testcase_19 | AC | 384 ms
38,600 KB |
testcase_20 | AC | 710 ms
49,788 KB |
testcase_21 | AC | 589 ms
49,412 KB |
testcase_22 | AC | 1,147 ms
60,596 KB |
testcase_23 | AC | 909 ms
52,972 KB |
testcase_24 | AC | 899 ms
54,100 KB |
testcase_25 | AC | 1,129 ms
62,788 KB |
testcase_26 | AC | 1,144 ms
65,772 KB |
testcase_27 | AC | 368 ms
39,580 KB |
testcase_28 | AC | 1,200 ms
66,988 KB |
testcase_29 | AC | 438 ms
45,088 KB |
testcase_30 | AC | 520 ms
49,484 KB |
testcase_31 | AC | 1,295 ms
66,536 KB |
testcase_32 | AC | 666 ms
54,436 KB |
testcase_33 | AC | 680 ms
50,072 KB |
testcase_34 | AC | 405 ms
37,056 KB |
testcase_35 | AC | 307 ms
35,644 KB |
testcase_36 | AC | 717 ms
56,168 KB |
testcase_37 | AC | 852 ms
53,336 KB |
testcase_38 | AC | 181 ms
27,744 KB |
testcase_39 | AC | 350 ms
40,860 KB |
testcase_40 | AC | 344 ms
40,752 KB |
testcase_41 | AC | 318 ms
34,860 KB |
testcase_42 | AC | 324 ms
34,880 KB |
testcase_43 | AC | 579 ms
56,344 KB |
testcase_44 | AC | 581 ms
56,340 KB |
testcase_45 | AC | 589 ms
56,340 KB |
testcase_46 | AC | 896 ms
57,932 KB |
testcase_47 | AC | 1,167 ms
65,192 KB |
testcase_48 | AC | 920 ms
60,448 KB |
ソースコード
class dsu: def __init__(self,n): assert n>0,"n must be Natural" self.n=n self.parents=[-1]*n return def find(self,x): assert x<self.n,"warning!! this is 0 index" if self.parents[x]<0: return x self.parents[x]=self.find(self.parents[x]) return self.parents[x] def merge(self,x,y): assert x<self.n and y<self.n,"warning!! this is 0 index" x=self.find(x) y=self.find(y) if x==y: return if self.parents[x]>self.parents[y]: x,y=y,x self.parents[x]+=self.parents[y] self.parents[y]=x return def size(self,x): assert x<self.n,"warning!! this is 0 index" return -self.parents[self.find(x)] def same(self,x,y): assert x<self.n and y<self.n,"warning!! this is 0 index" return self.find(x)==self.find(y) def leader(self,x): assert x<self.n,"warning!! this is 0 index" if self.parents[x]<0: return x self.parents[x]=self.leader(self.parents[x]) return self.parents[x] def groups(self): ld=[self.leader(i) for i in range(self.n)] res=[[] for _ in range(self.n)] for i in range(self.n): res[ld[i]].append(i) return list(filter(lambda a:a !=[],res)) from heapq import heapify,heappop,heappush INF=1000000000000000000 V=0 G=[[] for _ in [0]*100000] d=[INF]*100000 def dijkstra(s): que=[] heapify(que) d[s]=0 heappush(que,[0,s]) while que: p=heappop(que) v=p[1] if d[v]<p[0]: continue for i in range(len(G[v])): e=G[v][i] if d[e[0]]>d[v]+e[1]: d[e[0]]=d[v]+e[1] heappush(que,[d[e[0]],e[0]]) """ G[from].append([to,value])で追加 """ class INPUT: def __init__(self): self.l=open(0).read().split()[::-1] self.length=len(self.l) return def stream(self,k=1,f=int,f2=False): assert(-1<k) m=self.length if m==0 or m<k: raise Exception("There is no input!") elif f!=str: if k==0: self.length=0 return list(map(f,self.l[::-1])) if k==1 and not f2: self.length-=1 return f(self.l.pop()) if k==1 and f2: self.length-=1 return [f(self.l.pop())] ret=[] for _ in [0]*k: ret.append(f(self.l.pop())) self.length-=k return ret else: if k==0: self.length=0 return self.l[::-1] if k==1 and not f2: self.length-=1 return self.l.pop() if k==1 and f2: self.length-=1 return [self.l.pop()] ret=[] for _ in [0]*k: ret.append(self.l.pop()) self.length-=k return ret pin=INPUT().stream """ pin(number[default:1],f[default:int],f2[default:False]) if number==0 -> return left all listを変数で受け取るとき、必ずlistをTrueにすること。 """ def main(): n,m=pin(2) uf=dsu(n) ds=[pin(3)for i in range(m)] ds=sorted(ds,key=lambda x:x[2],reverse=True) w=float("inf") j=m-1 for i in range(m): w=min(w,ds[i][2]) uf.merge(ds[i][0]-1,ds[i][1]-1) G[ds[i][0]-1].append([ds[i][1]-1,1]) G[ds[i][1]-1].append([ds[i][0]-1,1]) if uf.same(0,n-1): j=i+1 break while j<m and w==ds[j][2]: G[ds[j][0]-1].append([ds[j][1]-1,1]) G[ds[j][1]-1].append([ds[j][0]-1,1]) j+=1 dijkstra(0) print(w,d[n-1]) return main()