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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
#111719#5503. Euclidean Algorithmxaphoenix#TL 19629ms7404kbC++141.6kb2023-06-07 23:23:522023-06-07 23:23:57

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-06-07 23:23:57]
  • 评测
  • 测评结果:TL
  • 用时:19629ms
  • 内存:7404kb
  • [2023-06-07 23:23:52]
  • 提交

answer

#include<bits/stdc++.h>

using namespace std;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define pf push_front
#define LC k<<1
#define RC k<<1|1
#define IO cin.sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define all(x) (x).begin(), (x).end()
#define SZ(x) ((int)(x).size())
#define rep(i,a,n) for (int i = a; i < n; i++)
#define repn(i,a,n) for (int i = a; i <= n; i++)
#define per(i,a,n) for (int i = (n) - 1; i >= a; i--)
#define pern(i,a,n) for (int i = n; i >= a; i--)

typedef long long LL;
typedef long double LD;
typedef unsigned long long ull;
typedef pair<int, int> PII;
typedef pair<int, LL> PIL;
typedef pair<LL, int> PLI;
typedef pair<double, double> PDD;
typedef pair<ull, ull> PUU;
typedef pair<LL, LL> PLL;

const int N = 510000;
const int M = 1100000;
const int mod = 1e9+7;
const int inf = (int)1e9;
const LL INF = 1e18;
const double eps = 1e-9;

mt19937_64 Rand((unsigned long long)new char);
#define rand Rand

LL f[N];
LL cal(LL x) {
	if (x < N) return f[x];
	LL l = 1, r, res = 0;
	while (l <= x) {
		r = x / (x / l);
		res += (x / l) * (r - l + 1);
		l = r + 1;
	}
	return res;
}
int T;
LL n;
int main() {
	IO;
	rep(i, 1, N) {
		rep(j, 1, N) {
			if (i * j >= N) break;
			f[i * j] += 1;
		}
	}
	rep(i, 1, N) f[i] += f[i - 1];
	cin >> T;
	// T = 3033;
	while (T--) {
		cin >> n;
		// if (T <= 2) n = (LL)1e11;
		// else if (T <= 32) n = inf;
		// else n = 1000000;
		LL l = 1, r = n, ans = 0;
		while (l <= n) {
			r = n / (n / l);
			ans += cal(n / l - 1) * (r - l + 1);
			l = r + 1;
		}
		cout << ans << "\n";
	}
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 13ms
memory: 7404kb

input:

3
2
5
14

output:

1
9
62

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 19629ms
memory: 7372kb

input:

3
29107867360
65171672278
41641960535

output:

8921593237533
21300450379732
13136180138425

result:

ok 3 lines

Test #3:

score: -100
Time Limit Exceeded

input:

3
90076809172
100000000000
99913139559

output:


result: