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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#645544 | #9248. An Easy Math Problem | qky | TL | 0ms | 3648kb | C++17 | 1.3kb | 2024-10-16 18:55:28 | 2024-10-16 18:55:29 |
Judging History
This is the latest submission verdict.
- [2024-10-31 22:36:43]
- hack成功,自动添加数据
- (/hack/1098)
- [2024-10-31 22:13:58]
- hack成功,自动添加数据
- (/hack/1096)
- [2024-10-31 22:00:43]
- hack成功,自动添加数据
- (/hack/1095)
- [2024-10-16 18:55:28]
- Submitted
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=1e4+1;
ll fac[N];
ll gcd(ll a,ll b){
return b==0?a:gcd(b,a%b);
}
map<pair<ll,ll>,int> mp;
int main(){
ios::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
int t=1;
cin>>t;
while(t--){
ll n;cin>>n;
mp.clear();
int cnt=0;
for(ll i=1;i*i<=n;i++){
if(n%i==0){
if(i*i==n) fac[++cnt]=i;
else {
fac[++cnt]=i;
fac[++cnt]=n/i;
}
}
}
ll ans=0;
sort(fac+1,fac+cnt+1);
for(int i=1;i<=cnt;i++){
ll x=fac[i];
for(ll z=1;z<=i;z++){
ll j=fac[z];
if(j*j>x) break;
if(x%j==0){
ll a=j,b=x/j;
a=a/gcd(a,b);
b=b/gcd(a,b);
if(mp[make_pair(a,b)]==0){
ans++;
mp[make_pair(a,b)]=1;
}
}
}
}
cout<<ans<<endl;
//for(auto it:mp){
// cout<<it.first.first<<" "<<it.first.second<<endl;
//}
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3648kb
input:
10 1 2 3 4 5 6 7 8 9 10
output:
1 2 2 3 2 5 2 4 3 5
result:
ok 10 lines
Test #2:
score: -100
Time Limit Exceeded
input:
2000 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 6469693230 646969323...
output:
29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 29525 ...