Submission #1679792


Source Code Expand

// need
#include <iostream>
#include <algorithm>

// data structure
#include <bitset>
//#include <list>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <utility>
#include <vector>
#include <array>
//#include <tuple>
//#include <unordered_map>
#include <unordered_set>
#include <complex>
//#include <deque>
#include <valarray>

// stream
//#include <istream>
//#include <sstream>
//#include <ostream>
//#include <fstream>

// etc
#include <cassert>
#include <cmath>
#include <functional>
#include <iomanip>
//#include <typeinfo>
#include <chrono>
#include <random>
#include <numeric>

// input
#define INIT std::ios::sync_with_stdio(false);std::cin.tie(0);
#define VAR(type, ...)type __VA_ARGS__;MACRO_VAR_Scan(__VA_ARGS__);
template<typename T> void MACRO_VAR_Scan(T& t) { std::cin >> t; }
template<typename First, typename...Rest>void MACRO_VAR_Scan(First& first, Rest&...rest) { std::cin >> first; MACRO_VAR_Scan(rest...); }
#define VEC_ROW(type, n, ...)std::vector<type> __VA_ARGS__;MACRO_VEC_ROW_Init(n, __VA_ARGS__); for(int i=0; i<n; ++i){MACRO_VEC_ROW_Scan(i, __VA_ARGS__);}
template<typename T> void MACRO_VEC_ROW_Init(int n, T& t) { t.resize(n); }
template<typename First, typename...Rest>void MACRO_VEC_ROW_Init(int n, First& first, Rest&...rest) { first.resize(n); MACRO_VEC_ROW_Init(n, rest...); }
template<typename T> void MACRO_VEC_ROW_Scan(int p, T& t) { std::cin >> t[p]; }
template<typename First, typename...Rest>void MACRO_VEC_ROW_Scan(int p, First& first, Rest&...rest) { std::cin >> first[p]; MACRO_VEC_ROW_Scan(p, rest...); }
#define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i;
#define MAT(type, c, m, n) std::vector<std::vector<type>> c(m, std::vector<type>(n));for(auto& r:c)for(auto& i:r)std::cin>>i;

// output
#define OUT(d) std::cout<<d;
#define FOUT(n, d) std::cout<<std::fixed<<std::setprecision(n)<<d;
#define SOUT(n, c, d) std::cout<<std::setw(n)<<std::setfill(c)<<d;
#define SP std::cout<<" ";
#define TAB std::cout<<"\t";
#define BR std::cout<<"\n";
#define SPBR(i, n) std::cout<<(i + 1 == n ? '\n' : ' ');
#define ENDL std::cout<<std::endl;
#define FLUSH std::cout<<std::flush;
#define SHOW(d) {std::cerr << #d << "\t:" << d << "\n";}
#define SHOWVECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOWVECTOR2(v) {std::cerr << #v << "\t:\n";for(const auto& xxx : v){for(const auto& yyy : xxx){std::cerr << yyy << " ";}std::cerr << "\n";}}
#define SHOWQUEUE(a) {auto tmp(a);std::cerr << #a << "\t:";while(!tmp.empty()){std::cerr << tmp.front() << " ";tmp.pop();}std::cerr << "\n";}

// utility
#define ALL(a) (a).begin(),(a).end()
#define FOR(i, a, b) for(int i=(a);i<(b);++i)
#define RFOR(i, a, b) for(int i=(b)-1;i>=(a);--i)
#define REP(i, n) for(int i=0;i<int(n);++i)
#define RREP(i, n) for(int i=int(n)-1;i>=0;--i)
#define FORLL(i, a, b) for(ll i=ll(a);i<ll(b);++i)
#define RFORLL(i, a, b) for(ll i=ll(b)-1;i>=ll(a);--i)
#define REPLL(i, n) for(ll i=0;i<ll(n);++i)
#define RREPLL(i, n) for(ll i=ll(n)-1;i>=0;--i)
#define IN(a, x, b) (a<=x && x<b)
template<typename T> inline T CHMAX(T& a, const T b) { return a = (a < b) ? b : a; }
template<typename T> inline T CHMIN(T& a, const T b) { return a = (a > b) ? b : a; }
#define EXCEPTION(msg) throw std::string("Exception : " msg " [ in ") + __func__ + " : " + std::to_string(__LINE__) + " lines ]"
#define TRY(cond, msg) try {if (cond) EXCEPTION(msg);}catch (std::string s) {std::cerr << s << std::endl;}
void CHECKTIME(std::function<void()> f) { auto start = std::chrono::system_clock::now(); f(); auto end = std::chrono::system_clock::now(); auto res = std::chrono::duration_cast<std::chrono::nanoseconds>((end - start)).count(); std::cerr << "[Time:" << res << "ns  (" << res / (1.0e9) << "s)]\n"; }

// test
template<class T> std::vector<std::vector<T>> VV(int n) {
	return std::vector<std::vector<T>>(n);
}
template<class T> std::vector<std::vector<T>> VV(int n, int m, T init = T()) {
	return std::vector<std::vector<T>>(n, std::vector<T>(m, init));
}
template<typename S, typename T>
std::ostream& operator<<(std::ostream& os, std::pair<S, T> p) {
	os << "(" << p.first << ", " << p.second << ")"; return os;
}

// type/const

#define int ll
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using PAIR = std::pair<int, int>;
using PAIRLL = std::pair<ll, ll>;
constexpr int INFINT = 1 << 30;                          // 1.07x10^ 9
constexpr int INFINT_LIM = (1LL << 31) - 1;              // 2.15x10^ 9
constexpr ll INFLL = 1LL << 60;                          // 1.15x10^18
constexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62);  // 9.22x10^18
constexpr double EPS = 1e-7;
constexpr int MOD = 1000000007;
constexpr double PI = 3.141592653589793238462643383279;

std::vector<int> Eratosthenes(int n) {
	std::vector<bool> num(n, true);
	std::vector<int> prime;
	num[0] = false;
	for (int i = 0; i*i < n; ++i) {
		if (num[i]) {
			for (int j = 2; (i + 1)*j <= n; ++j) {
				num[(i + 1)*j - 1] = false;
			}
		}
	}
	for (int i = 0; i < n; ++i) {
		if (num[i]) {
			prime.push_back(i + 1);
		}
	}
	return prime;
}
std::vector<int> pv;

const int MAX_S = 10000000000;

int div3(int x) {
	for(const auto& t : pv) {
		if (x < t) break;
		while (x%t == 0) x /= t;
	}
	return x;
}

int inv(int x) {
	return div3(x * x);
}

signed main() {
	INIT;
	VAR(int, n);
	VEC(int, s, n);
	pv = (Eratosthenes(2160)); // 10^10 = 2154.43...
	for (auto& x : pv) x = x * x * x;

	std::map<int, int> cnt;
	REP(i, n) {
		s[i] = div3(s[i]);
		++cnt[s[i]];
	}
	int ans = 0;
	if (cnt[1] > 0) cnt[1] = 1;
	for (auto x : cnt) {
		int t = inv(x.first);
		if (cnt.count(t)) {
			ans += std::max(x.second, cnt[t]);
			cnt[x.first] = 0;
			cnt[t] = 0;
		}
		else {
			ans += x.second;
		}
	}
	OUT(ans)BR;
	return 0;
}

Submission Info

Submission Time
Task D - Anticube
User satanic0258
Language C++14 (GCC 5.4.1)
Score 1100
Code Size 6001 Byte
Status AC
Exec Time 561 ms
Memory 9344 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 1100 / 1100
Status
AC × 3
AC × 51
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, s1.txt, s2.txt, s3.txt
Case Name Status Exec Time Memory
01.txt AC 552 ms 9344 KB
02.txt AC 545 ms 7296 KB
03.txt AC 546 ms 7296 KB
04.txt AC 541 ms 7296 KB
05.txt AC 535 ms 7296 KB
06.txt AC 561 ms 7296 KB
07.txt AC 548 ms 7296 KB
08.txt AC 546 ms 7296 KB
09.txt AC 537 ms 7296 KB
10.txt AC 543 ms 7296 KB
11.txt AC 364 ms 2944 KB
12.txt AC 367 ms 2944 KB
13.txt AC 193 ms 3328 KB
14.txt AC 192 ms 3328 KB
15.txt AC 194 ms 3328 KB
16.txt AC 191 ms 3328 KB
17.txt AC 31 ms 1024 KB
18.txt AC 33 ms 1024 KB
19.txt AC 32 ms 1024 KB
20.txt AC 32 ms 1024 KB
21.txt AC 342 ms 4864 KB
22.txt AC 342 ms 4864 KB
23.txt AC 341 ms 4864 KB
24.txt AC 341 ms 4864 KB
25.txt AC 341 ms 4864 KB
26.txt AC 345 ms 4864 KB
27.txt AC 239 ms 6272 KB
28.txt AC 7 ms 1024 KB
29.txt AC 10 ms 1024 KB
30.txt AC 9 ms 1024 KB
31.txt AC 9 ms 1024 KB
32.txt AC 9 ms 1024 KB
33.txt AC 1 ms 256 KB
34.txt AC 28 ms 1024 KB
35.txt AC 29 ms 1024 KB
36.txt AC 1 ms 256 KB
37.txt AC 376 ms 3456 KB
38.txt AC 377 ms 3456 KB
39.txt AC 383 ms 3456 KB
40.txt AC 376 ms 3456 KB
41.txt AC 1 ms 256 KB
42.txt AC 1 ms 256 KB
43.txt AC 1 ms 256 KB
44.txt AC 1 ms 256 KB
45.txt AC 1 ms 256 KB
46.txt AC 1 ms 256 KB
47.txt AC 1 ms 256 KB
48.txt AC 1 ms 256 KB
s1.txt AC 1 ms 256 KB
s2.txt AC 1 ms 256 KB
s3.txt AC 1 ms 256 KB