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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
#345262#3415. Exponential TowersPetroTarnavskyi#AC ✓5ms4380kbC++201.9kb2024-03-06 18:26:312024-03-06 18:26:31

Judging History

你现在查看的是最新测评结果

  • [2024-03-06 18:26:31]
  • 评测
  • 测评结果:AC
  • 用时:5ms
  • 内存:4380kb
  • [2024-03-06 18:26:31]
  • 提交

answer

#include <bits/stdc++.h> 

using namespace std;

#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (a) - 1; i >= (b); i--)
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second

typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;

int a[3];

string s;
bool read()
{
	if(!(cin >> s))
		return false;
	
	s += "^";
	int prev = 0;
	int pos = 0;
	FOR(i, 0, SZ(s))
	{
		if(s[i] == '^')
		{
			//cerr << s << " " << pos << " " << prev << " " << i << "\n";
			a[pos] = stoi(s.substr(prev, i - prev));
			pos++;
			prev = i + 1;
			continue;
		}
	}
	return true;
}

vector<PII> factor(int x)
{
	vector<PII> res;
	for(int p = 2; p * p <= x; p++)
	{
		if(x % p)
			continue;
		int cnt = 0;
		while(x % p == 0)
		{
			x /= p;
			cnt++;
		}
		res.PB({p, cnt});
	}
	if(x != 1)
		res.PB({x, 1});
	return res;
}
const int N = 2e5;
int f[N];


void init()
{
	FOR(b, 2, N)
	{
		FOR(x, 2, N)
		{
			LL pw = 1;
			FOR(i, 0, b)
			{
				pw *= x;
				if(pw >= N)
					break;
			}
			if(pw >= N)
			{
				break;
			}
			f[pw] += f[b] + 1;
		}
	}
}

void solve()
{
	auto A = factor(a[0]);
	int k = 0;
	for(auto [p, c] : A) 
		k = gcd(k, c);
	
	map<int, int> cnt;	
	auto B = factor(a[1]);
	auto K = factor(k);
	for(auto [p, c] : B)
		cnt[p] += a[2] * c;
	for(auto [p, c] : K)
		cnt[p] += c;
	
	int mx = 0;
	for(auto [p, c] : cnt)
		mx = max(mx, c);
	
	
	LL ans = 0;
	FOR(c1, 2, mx + 1)
	{
		LL num = 1;
		for(auto [p, c] : cnt)
			num *= (c / c1 + 1);
		num -= 1;
		ans += num * (f[c1] + 1);
	}
	cout << ans << "\n";
}


int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	init();
	
	while(read())
		solve();
	
	
	
	
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 5ms
memory: 4380kb

input:

9585^9585^9585
9240^9240^9240
9551^9551^9551
9583^9583^9583
2^2^9585
256^2^2
2^8640^2
2401^7200^2
4096^7200^2
14^9240^9585
25^9240^9585
6561^9240^9585
2401^2^9585
256^9585^9585
8264^1976^1870
4705^837^2740
610^5139^8291
3901^17^8330
8294^6233^9033
6133^3634^2358
3755^7598^6716
7898^9570^5193
587^784...

output:

586634281353
7677363845492302798
89655
138628311
90017
6
101
123
126
9217651263554787837
9218249112877874830
9218887719880762148
90021
1014853296051
4367088281
17039192
103785131
77074
61614682
2919333595
67305155678
143524704136644229
179594998873
176153579169

result:

ok 24 lines

Test #2:

score: 0
Accepted
time: 2ms
memory: 4376kb

input:

8192^13^2

output:

2

result:

ok single line: '2'

Test #3:

score: 0
Accepted
time: 3ms
memory: 4376kb

input:

4^2^2
8^12^2
8192^8192^8192
2^900^576

output:

2
10
1258112
342025379

result:

ok 4 lines

Test #4:

score: 0
Accepted
time: 2ms
memory: 4272kb

input:

4^2^2
8^12^2
8192^8192^8192
2^900^576
4096^9240^9585
5^6561^8192
2^2^2
3^3^3
4^4^4
5^5^5
2^3^5
16^16^16
144^144^144
8192^8192^8192
16^18^2
256^2^9585
256^8192^9585
90^900^9000
32^6006^8888
32^6006^8889
10^1800^10
2^2^2
2^2^3
2^2^4
2^2^5
2^2^6
2^2^7
2^2^8
8192^2310^9585

output:

2
10
1258112
342025379
9219832368275505910
742330
1
2
18
6
6
280
128607
1258112
17
90045
1491686
1295018330307
2107560797045868526
2107946443866572119
3658
1
2
5
6
9
10
15
3072859342112467367

result:

ok 29 lines