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 00:37:12 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 1,291 ms / 2,000 ms |
コード長 | 3,531 bytes |
コンパイル時間 | 343 ms |
コンパイル使用メモリ | 13,184 KB |
実行使用メモリ | 68,628 KB |
最終ジャッジ日時 | 2024-06-25 13:20:41 |
合計ジャッジ時間 | 30,355 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 | 62 ms
19,072 KB |
testcase_01 | AC | 58 ms
19,072 KB |
testcase_02 | AC | 1,194 ms
63,144 KB |
testcase_03 | AC | 689 ms
52,908 KB |
testcase_04 | AC | 550 ms
44,224 KB |
testcase_05 | AC | 199 ms
27,440 KB |
testcase_06 | AC | 768 ms
53,764 KB |
testcase_07 | AC | 1,168 ms
67,728 KB |
testcase_08 | AC | 1,291 ms
68,628 KB |
testcase_09 | AC | 1,157 ms
67,356 KB |
testcase_10 | AC | 372 ms
36,188 KB |
testcase_11 | AC | 376 ms
34,688 KB |
testcase_12 | AC | 380 ms
36,692 KB |
testcase_13 | AC | 234 ms
28,524 KB |
testcase_14 | AC | 178 ms
25,836 KB |
testcase_15 | AC | 324 ms
32,212 KB |
testcase_16 | AC | 366 ms
35,456 KB |
testcase_17 | AC | 76 ms
20,088 KB |
testcase_18 | AC | 89 ms
21,048 KB |
testcase_19 | AC | 386 ms
37,612 KB |
testcase_20 | AC | 644 ms
48,664 KB |
testcase_21 | AC | 567 ms
47,824 KB |
testcase_22 | AC | 1,035 ms
59,780 KB |
testcase_23 | AC | 762 ms
52,532 KB |
testcase_24 | AC | 759 ms
53,440 KB |
testcase_25 | AC | 946 ms
61,904 KB |
testcase_26 | AC | 962 ms
64,360 KB |
testcase_27 | AC | 314 ms
39,488 KB |
testcase_28 | AC | 1,055 ms
65,636 KB |
testcase_29 | AC | 443 ms
43,912 KB |
testcase_30 | AC | 490 ms
47,732 KB |
testcase_31 | AC | 1,093 ms
65,200 KB |
testcase_32 | AC | 586 ms
52,704 KB |
testcase_33 | AC | 595 ms
49,364 KB |
testcase_34 | AC | 367 ms
36,628 KB |
testcase_35 | AC | 287 ms
35,216 KB |
testcase_36 | AC | 617 ms
55,596 KB |
testcase_37 | AC | 730 ms
52,828 KB |
testcase_38 | AC | 156 ms
26,908 KB |
testcase_39 | AC | 360 ms
35,964 KB |
testcase_40 | AC | 362 ms
35,952 KB |
testcase_41 | AC | 346 ms
33,288 KB |
testcase_42 | AC | 346 ms
33,280 KB |
testcase_43 | AC | 537 ms
54,884 KB |
testcase_44 | AC | 535 ms
54,880 KB |
testcase_45 | AC | 539 ms
54,864 KB |
testcase_46 | AC | 771 ms
56,072 KB |
testcase_47 | AC | 1,000 ms
64,396 KB |
testcase_48 | AC | 811 ms
59,300 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)) class dijkstra: def __init__(self): self.INF=float("inf") self.G=[[] for _ in [0]*100000] self.d=[self.INF]*100000 return def add1(self,s,t,v): self.G[s].append([t,v]) return def add2(self,s,t,v): self.G[s].append([t,v]) self.G[t].append([s,v]) return def run(self,s): from heapq import heapify,heappop,heappush que=[] heapify(que) self.d[s]=0 heappush(que,[0,s]) while que: p=heappop(que) v=p[1] if self.d[v]<p[0]: continue for i in range(len(self.G[v])): e=self.G[v][i] if self.d[e[0]]>self.d[v]+e[1]: self.d[e[0]]=self.d[v]+e[1] heappush(que,[self.d[e[0]],e[0]]) return self.d 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 dk=dijkstra() for i in range(m): w=min(w,ds[i][2]) uf.merge(ds[i][0]-1,ds[i][1]-1) dk.add2(ds[i][0]-1,ds[i][1]-1,1) if uf.same(0,n-1): j=i+1 break while j<m and w==ds[j][2]: dk.add2(ds[j][0]-1,ds[j][1]-1,1) j+=1 d=dk.run(0) print(w,d[n-1]) return main()