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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#617161 | #9248. An Easy Math Problem | castc# | TL | 0ms | 3612kb | C++20 | 1.7kb | 2024-10-06 14:13:19 | 2024-10-06 14:13:19 |
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)
- [2024-10-06 14:13:19]
- Submitted
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
#define int long long
vector<int> minp, primes;
void sieve(int n) {
minp.assign(n + 1, 0);
primes.clear();
for (int i = 2; i <= n; i++) {
if (minp[i] == 0) {
minp[i] = i;
primes.push_back(i);
}
for (auto p : primes) {
if (i * p > n) {
break;
}
minp[i * p] = p;
if (p == minp[i]) {
break;
}
}
}
}
void solve() {
int n;
cin >> n;
// n = 10000000000;
vector<int> a;
vector<int> c;
for(int i = 1; i * i <= n; i++) {
if(n % i == 0) {
a.push_back(i);
// if(minp[i] i) {
// c.push_back(i);
// }
if(i * i != n) {
// if(minp[n / i] == n / i) {
// c.push_back(n / i);
// }
a.push_back(n / i);
}
}
}
sort(a.begin(), a.end());
set<pair<int, int>> st;
for(auto x : a) {
for(auto y : a) {
if(y * y > x) break;
if(x % y == 0) {
int X = x / y, Y = y;
int G = gcd(X, Y);
X /= G, Y /= G;
st.insert({X, Y});
}
}
}
cout << (int)st.size() << "\n";
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
// sieve((int)1e5 + 9);
int T = 1;
cin >> T;
while(T--) solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3612kb
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...