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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#692281 | #9248. An Easy Math Problem | KeeperHihi# | TL | 0ms | 3840kb | C++20 | 776b | 2024-10-31 14:15:26 | 2024-10-31 14:15:29 |
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)
- [2024-10-31 14:15:26]
- Submitted
answer
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
void solve() {
i64 n;
cin >> n;
vector<i64> p;
for (i64 i = 1; i * i <= n; i++) {
if (n % i == 0) {
p.emplace_back(i);
if (i * i != n) {
p.emplace_back(n / i);
}
}
}
sort(p.begin(), p.end());
int m = p.size();
unordered_set<long double> set;
for (int i = 0; i < m; i++) {
int t = lower_bound(p.begin(), p.end(), p[i] * p[i]) - p.begin();
for (int j = t; j < m; j++) {
if (p[j] % p[i] == 0) {
set.insert(1.L * p[i] * p[i] / p[j]);
}
}
}
cout << set.size() << "\n";
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int t = 1;
cin >> t;
while (t--) {
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3840kb
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...