Submission #1837860
Source Code Expand
#include <cstdio> #include <iostream> #include <algorithm> #include <map> #include <vector> #include <ctime> #define pb push_back #define fi first #define se second using namespace std; typedef long long ll; typedef pair<ll,ll> abcd; const int N=1000010; int n,p[N]; ll a[N],b[N],c[N]; map<ll,int> vis,ct,Sqrt; map<ll,ll> op; inline void Pre(){ for(int i=2;i<=1000000;i++){ if(!p[i]) p[++*p]=i; for(int j=1;j<=*p && 1LL*p[j]*i<=1000000;j++){ p[p[j]*i]=1; if(i%p[j]==0) break; } } for(int i=1;i<=*p;i++) Sqrt[1LL*p[i]*p[i]]=p[i]; } vector<abcd> v; inline char nc(){ static char buf[100000],*p1=buf,*p2=buf; return p1==p2&&(p2=(p1=buf)+fread(buf,1,100000,stdin),p1==p2)?EOF:*p1++; } inline void read(ll &x){ char c=nc(); x=0; for(;c>'9'||c<'0';c=nc());for(;c>='0'&&c<='9';x=x*10+c-'0',c=nc()); } inline void read(int &x){ char c=nc(); x=0; for(;c>'9'||c<'0';c=nc());for(;c>='0'&&c<='9';x=x*10+c-'0',c=nc()); } int ans; inline void work(int i){ b[i]=1; c[i]=1; for(int j=1;j<=*p && 1LL*p[j]*p[j]<=a[i] && p[j]<=2200;j++) if(a[i]%p[j]==0){ int cnt=0; while(a[i]%p[j]==0) a[i]/=p[j],cnt++; cnt%=3; for(int k=1;k<=cnt;k++) c[i]*=p[j]; if(cnt) for(int k=cnt+1;k<=3;k++) b[i]*=p[j]; } if(Sqrt[a[i]]) c[i]*=Sqrt[a[i]],b[i]*=a[i]; else c[i]*=a[i],b[i]*=a[i]*a[i]; ct[c[i]]++; if(c[i]>b[i]) swap(b[i],c[i]); op[c[i]]=b[i]; } int main(){ read(n); Pre(); for(int i=1;i<=n;i++) { read(a[i]),work(i); } for(auto c : op){ if(c.fi==c.se) ans++; else ans+=max(ct[c.fi],ct[c.se]); } printf("%d\n",ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Anticube |
User | SBP |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1698 Byte |
Status | WA |
Exec Time | 605 ms |
Memory | 42880 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 1100 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt, s3.txt |
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, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, s1.txt, s2.txt, s3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 583 ms | 42880 KB |
02.txt | AC | 587 ms | 42880 KB |
03.txt | AC | 601 ms | 42880 KB |
04.txt | AC | 547 ms | 42752 KB |
05.txt | AC | 536 ms | 42880 KB |
06.txt | AC | 516 ms | 42752 KB |
07.txt | AC | 605 ms | 42752 KB |
08.txt | AC | 580 ms | 42880 KB |
09.txt | AC | 552 ms | 42880 KB |
10.txt | AC | 556 ms | 42752 KB |
11.txt | AC | 567 ms | 26880 KB |
12.txt | AC | 554 ms | 26880 KB |
13.txt | WA | 290 ms | 26752 KB |
14.txt | WA | 311 ms | 26752 KB |
15.txt | WA | 262 ms | 26752 KB |
16.txt | WA | 292 ms | 26752 KB |
17.txt | AC | 93 ms | 19072 KB |
18.txt | AC | 95 ms | 19072 KB |
19.txt | AC | 93 ms | 19072 KB |
20.txt | AC | 93 ms | 19072 KB |
21.txt | WA | 424 ms | 33664 KB |
22.txt | WA | 427 ms | 33536 KB |
23.txt | WA | 423 ms | 33664 KB |
24.txt | WA | 439 ms | 33664 KB |
25.txt | WA | 382 ms | 33664 KB |
26.txt | WA | 420 ms | 33536 KB |
27.txt | AC | 147 ms | 35072 KB |
28.txt | AC | 41 ms | 19072 KB |
29.txt | AC | 53 ms | 19072 KB |
30.txt | AC | 54 ms | 19072 KB |
31.txt | AC | 50 ms | 19072 KB |
32.txt | AC | 53 ms | 19072 KB |
33.txt | AC | 37 ms | 14080 KB |
34.txt | AC | 88 ms | 19072 KB |
35.txt | AC | 84 ms | 19072 KB |
36.txt | AC | 36 ms | 14080 KB |
37.txt | WA | 549 ms | 28672 KB |
38.txt | WA | 512 ms | 28672 KB |
39.txt | WA | 533 ms | 28672 KB |
40.txt | WA | 516 ms | 28672 KB |
41.txt | AC | 33 ms | 14080 KB |
42.txt | AC | 34 ms | 14080 KB |
43.txt | AC | 33 ms | 14080 KB |
44.txt | AC | 36 ms | 14080 KB |
45.txt | AC | 34 ms | 14080 KB |
46.txt | AC | 35 ms | 14080 KB |
47.txt | AC | 35 ms | 14080 KB |
48.txt | AC | 33 ms | 14080 KB |
s1.txt | AC | 34 ms | 14080 KB |
s2.txt | AC | 37 ms | 14080 KB |
s3.txt | AC | 38 ms | 14080 KB |