Submission #1837812
Source Code Expand
#include <cstdio> #include <iostream> #include <algorithm> #include <map> #include <vector> #define pb push_back using namespace std; typedef long long ll; typedef pair<int,int> abcd; const int N=100010; int n,p[N]; ll a[N],b[N],c[N]; inline void Pre(){ for(int i=2;i<=100000;i++){ if(!p[i]) p[++*p]=i; for(int j=1;j<=*p && 1LL*p[j]*i<=100000;i++){ p[p[j]*i]=1; if(i%p[j]==0) break; } } } map<ll,int> vis,ct; int main(){ scanf("%d",&n); Pre(); for(int i=1;i<=n;i++) { scanf("%lld",&a[i]); b[i]=1; c[i]=1; for(int j=1;j<=*p && 1LL*p[j]*p[j]<=a[i];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]; } c[i]*=a[i]; ct[c[i]]++; } int ans=1; vis[1]=1; for(int i=1;i<=n;i++){ if(vis[c[i]]) continue; ans+=max(ct[c[i]],ct[b[i]]); vis[c[i]]=vis[b[i]]=1; } printf("%d\n",ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - Wanna go back home |
User | SBP |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1028 Byte |
Status | WA |
Exec Time | 2 ms |
Memory | 640 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:30:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); Pre(); ^ ./Main.cpp:32:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&a[i]); b[i]=1; c[i]=1; ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 200 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt, s3.txt, s4.txt |
All | 01.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 13.txt, 15.txt, s1.txt, s2.txt, s3.txt, s4.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | WA | 2 ms | 640 KB |
04.txt | WA | 2 ms | 640 KB |
05.txt | WA | 2 ms | 640 KB |
06.txt | WA | 2 ms | 640 KB |
07.txt | WA | 2 ms | 640 KB |
08.txt | WA | 2 ms | 640 KB |
09.txt | WA | 2 ms | 640 KB |
10.txt | WA | 2 ms | 640 KB |
11.txt | WA | 2 ms | 640 KB |
13.txt | WA | 2 ms | 640 KB |
15.txt | WA | 2 ms | 640 KB |
s1.txt | WA | 2 ms | 640 KB |
s2.txt | WA | 2 ms | 640 KB |
s3.txt | WA | 2 ms | 640 KB |
s4.txt | WA | 2 ms | 640 KB |