QOJ.ac

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
#692353#9248. An Easy Math ProblemKeeperHihi#WA 3ms3848kbC++20869b2024-10-31 14:22:312024-10-31 14:22:31

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 14:22:31]
  • Judged
  • Verdict: WA
  • Time: 3ms
  • Memory: 3848kb
  • [2024-10-31 14:22:31]
  • Submitted

answer

#include <bits/stdc++.h>
using namespace std;
using i64 = long long;

map<i64, int> Map;

void solve() {
	i64 n;
	cin >> n;
	if (Map.count(n)) {
		cout << Map[n] << "\n";
		return;
	}
	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();
	int cnt = 0;
	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) {
				if (gcd(p[i], p[j] / p[i]) == 1) {
					cnt++;
				}
			}
		}
	}
	cout << cnt << "\n";
	Map[n] = cnt;
}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.tie(nullptr);

	int t = 1;
	cin >> t;

	while (t--) {
		solve();
	}

	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3848kb

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
Wrong Answer
time: 3ms
memory: 3636kb

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:

29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
29527
...

result:

wrong answer 1st lines differ - expected: '29525', found: '29527'