Submission #23369383
Source Code Expand
#include "bits/stdc++.h"
using namespace std;
namespace inner {
using i32 = int32_t;
using u32 = uint32_t;
using i64 = int64_t;
using u64 = uint64_t;
__attribute__((target("bmi"))) u64 gcd(u64 a, u64 b) {
if (a == 0 || b == 0) return a + b;
int n = __builtin_ctzll(a);
int m = __builtin_ctzll(b);
a >>= n;
b >>= m;
while (a != b) {
int d = __builtin_ctzll(a - b);
bool f = a > b;
u64 c = f ? a : b;
b = f ? b : a;
a = (c - b) >> d;
}
return a << min(n, m);
}
uint64_t gcd_impl(uint64_t n, uint64_t m) {
constexpr uint64_t K = 5;
for (int i = 0; i < 80; ++i) {
uint64_t t = n - m;
uint64_t s = n - m * K;
bool q = t < m;
bool p = t < m * K;
n = q ? m : t;
m = q ? t : m;
if (m == 0) return n;
n = p ? n : s;
}
return gcd_impl(m, n % m);
}
uint64_t gcd_pre(uint64_t n, uint64_t m) {
for (int i = 0; i < 4; ++i) {
uint64_t t = n - m;
bool q = t < m;
n = q ? m : t;
m = q ? t : m;
if (m == 0) return n;
}
return gcd_impl(n, m);
}
uint64_t gcd_fast(uint64_t n, uint64_t m) {
return n > m ? gcd_pre(n, m) : gcd_pre(m, n);
}
template <typename T = int32_t>
T inv(T a, T p) {
T b = p, x = 1, y = 0;
while (a) {
T q = b % a;
swap(a, b /= a);
swap(x, y -= q * x);
}
assert(b == 1);
return y < 0 ? y + p : y;
}
template <typename T = int32_t, typename U = int64_t>
T modpow(T a, U n, T p) {
T ret = 1;
for (; n; n >>= 1, a = U(a) * a % p)
if (n & 1) ret = U(ret) * a % p;
return ret;
}
} // namespace inner
using namespace std;
unsigned long long rng() {
static unsigned long long x_ = 88172645463325252ULL;
x_ = x_ ^ (x_ << 7);
return x_ = x_ ^ (x_ >> 9);
}
using namespace std;
struct ArbitraryLazyMontgomeryModInt {
using mint = ArbitraryLazyMontgomeryModInt;
using i32 = int32_t;
using u32 = uint32_t;
using u64 = uint64_t;
static u32 mod;
static u32 r;
static u32 n2;
static u32 get_r() {
u32 ret = mod;
for (i32 i = 0; i < 4; ++i) ret *= 2 - mod * ret;
return ret;
}
static void set_mod(u32 m) {
assert(m < (1 << 30));
assert((m & 1) == 1);
mod = m;
n2 = -u64(m) % m;
r = get_r();
assert(r * mod == 1);
}
u32 a;
ArbitraryLazyMontgomeryModInt() : a(0) {}
ArbitraryLazyMontgomeryModInt(const int64_t &b)
: a(reduce(u64(b % mod + mod) * n2)){};
static u32 reduce(const u64 &b) {
return (b + u64(u32(b) * u32(-r)) * mod) >> 32;
}
mint &operator+=(const mint &b) {
if (i32(a += b.a - 2 * mod) < 0) a += 2 * mod;
return *this;
}
mint &operator-=(const mint &b) {
if (i32(a -= b.a) < 0) a += 2 * mod;
return *this;
}
mint &operator*=(const mint &b) {
a = reduce(u64(a) * b.a);
return *this;
}
mint &operator/=(const mint &b) {
*this *= b.inverse();
return *this;
}
mint operator+(const mint &b) const { return mint(*this) += b; }
mint operator-(const mint &b) const { return mint(*this) -= b; }
mint operator*(const mint &b) const { return mint(*this) *= b; }
mint operator/(const mint &b) const { return mint(*this) /= b; }
bool operator==(const mint &b) const {
return (a >= mod ? a - mod : a) == (b.a >= mod ? b.a - mod : b.a);
}
bool operator!=(const mint &b) const {
return (a >= mod ? a - mod : a) != (b.a >= mod ? b.a - mod : b.a);
}
mint operator-() const { return mint() - mint(*this); }
mint pow(u64 n) const {
mint ret(1), mul(*this);
while (n > 0) {
if (n & 1) ret *= mul;
mul *= mul;
n >>= 1;
}
return ret;
}
friend ostream &operator<<(ostream &os, const mint &b) {
return os << b.get();
}
friend istream &operator>>(istream &is, mint &b) {
int64_t t;
is >> t;
b = ArbitraryLazyMontgomeryModInt(t);
return (is);
}
mint inverse() const { return pow(mod - 2); }
u32 get() const {
u32 ret = reduce(a);
return ret >= mod ? ret - mod : ret;
}
static u32 get_mod() { return mod; }
};
typename ArbitraryLazyMontgomeryModInt::u32 ArbitraryLazyMontgomeryModInt::mod;
typename ArbitraryLazyMontgomeryModInt::u32 ArbitraryLazyMontgomeryModInt::r;
typename ArbitraryLazyMontgomeryModInt::u32 ArbitraryLazyMontgomeryModInt::n2;
using namespace std;
struct montgomery64 {
using mint = montgomery64;
using i64 = int64_t;
using u64 = uint64_t;
using u128 = __uint128_t;
static u64 mod;
static u64 r;
static u64 n2;
static u64 get_r() {
u64 ret = mod;
for (i64 i = 0; i < 5; ++i) ret *= 2 - mod * ret;
return ret;
}
static void set_mod(u64 m) {
assert(m < (1LL << 62));
assert((m & 1) == 1);
mod = m;
n2 = -u128(m) % m;
r = get_r();
assert(r * mod == 1);
}
u64 a;
montgomery64() : a(0) {}
montgomery64(const int64_t &b) : a(reduce((u128(b) + mod) * n2)){};
static u64 reduce(const u128 &b) {
return (b + u128(u64(b) * u64(-r)) * mod) >> 64;
}
mint &operator+=(const mint &b) {
if (i64(a += b.a - 2 * mod) < 0) a += 2 * mod;
return *this;
}
mint &operator-=(const mint &b) {
if (i64(a -= b.a) < 0) a += 2 * mod;
return *this;
}
mint &operator*=(const mint &b) {
a = reduce(u128(a) * b.a);
return *this;
}
mint &operator/=(const mint &b) {
*this *= b.inverse();
return *this;
}
mint operator+(const mint &b) const { return mint(*this) += b; }
mint operator-(const mint &b) const { return mint(*this) -= b; }
mint operator*(const mint &b) const { return mint(*this) *= b; }
mint operator/(const mint &b) const { return mint(*this) /= b; }
bool operator==(const mint &b) const {
return (a >= mod ? a - mod : a) == (b.a >= mod ? b.a - mod : b.a);
}
bool operator!=(const mint &b) const {
return (a >= mod ? a - mod : a) != (b.a >= mod ? b.a - mod : b.a);
}
mint operator-() const { return mint() - mint(*this); }
mint pow(u128 n) const {
mint ret(1), mul(*this);
while (n > 0) {
if (n & 1) ret *= mul;
mul *= mul;
n >>= 1;
}
return ret;
}
friend ostream &operator<<(ostream &os, const mint &b) {
return os << b.get();
}
friend istream &operator>>(istream &is, mint &b) {
int64_t t;
is >> t;
b = montgomery64(t);
return (is);
}
mint inverse() const { return pow(mod - 2); }
u64 get() const {
u64 ret = reduce(a);
return ret >= mod ? ret - mod : ret;
}
static u64 get_mod() { return mod; }
};
typename montgomery64::u64 montgomery64::mod, montgomery64::r, montgomery64::n2;
namespace fast_factorize {
using u64 = uint64_t;
template <typename mint>
bool miller_rabin(u64 n, vector<u64> as) {
if (mint::get_mod() != n) mint::set_mod(n);
u64 d = n - 1;
while (~d & 1) d >>= 1;
mint e{1}, rev{int64_t(n - 1)};
for (u64 a : as) {
if (n <= a) break;
u64 t = d;
mint y = mint(a).pow(t);
while (t != n - 1 && y != e && y != rev) {
y *= y;
t *= 2;
}
if (y != rev && t % 2 == 0) return false;
}
return true;
}
bool is_prime(u64 n) {
if (~n & 1) return n == 2;
if (n <= 1) return false;
if (n < (1LL << 30))
return miller_rabin<ArbitraryLazyMontgomeryModInt>(n, {2, 7, 61});
else
return miller_rabin<montgomery64>(
n, {2, 325, 9375, 28178, 450775, 9780504, 1795265022});
}
template <typename mint, typename T>
T pollard_rho(T n) {
if (~n & 1) return 2;
if (is_prime(n)) return n;
if (mint::get_mod() != n) mint::set_mod(n);
mint R, one = 1;
auto f = [&](mint x) { return x * x + R; };
auto rnd = [&]() { return rng() % (n - 2) + 2; };
while (1) {
mint x, y, ys, q = one;
R = rnd(), y = rnd();
T g = 1;
constexpr int m = 128;
for (int r = 1; g == 1; r <<= 1) {
x = y;
for (int i = 0; i < r; ++i) y = f(y);
for (int k = 0; g == 1 && k < r; k += m) {
ys = y;
for (int i = 0; i < m && i < r - k; ++i) q *= x - (y = f(y));
g = inner::gcd_fast(q.get(), n);
}
}
if (g == n) do
g = inner::gcd_fast((x - (ys = f(ys))).get(), n);
while (g == 1);
if (g != n) return g;
}
exit(1);
}
vector<u64> inner_factorize(u64 n) {
if (n <= 1) return {};
u64 p;
if (n <= (1LL << 30))
p = pollard_rho<ArbitraryLazyMontgomeryModInt>(n);
else
p = pollard_rho<montgomery64>(n);
if (p == n) return {p};
auto l = inner_factorize(p);
auto r = inner_factorize(n / p);
copy(begin(r), end(r), back_inserter(l));
return l;
}
vector<u64> factorize(u64 n) {
auto ret = inner_factorize(n);
sort(begin(ret), end(ret));
return ret;
}
} // namespace fast_factorize
using fast_factorize::factorize;
using fast_factorize::is_prime;
using namespace std;
namespace fastio {
static constexpr int SZ = 1 << 17;
char ibuf[SZ], obuf[SZ];
int pil = 0, pir = 0, por = 0;
struct Pre {
char num[40000];
constexpr Pre() : num() {
for (int i = 0; i < 10000; i++) {
int n = i;
for (int j = 3; j >= 0; j--) {
num[i * 4 + j] = n % 10 + '0';
n /= 10;
}
}
}
} constexpr pre;
inline void load() {
memcpy(ibuf, ibuf + pil, pir - pil);
pir = pir - pil + fread(ibuf + pir - pil, 1, SZ - pir + pil, stdin);
pil = 0;
}
inline void flush() {
fwrite(obuf, 1, por, stdout);
por = 0;
}
inline void rd(char& c) { c = ibuf[pil++]; }
template <typename T>
inline void rd(T& x) {
if (pil + 32 > pir) load();
char c;
do
c = ibuf[pil++];
while (c < '-');
bool minus = 0;
if (c == '-') {
minus = 1;
c = ibuf[pil++];
}
x = 0;
while (c >= '0') {
x = x * 10 + (c & 15);
c = ibuf[pil++];
}
if (minus) x = -x;
}
inline void rd() {}
template <typename Head, typename... Tail>
inline void rd(Head& head, Tail&... tail) {
rd(head);
rd(tail...);
}
inline void wt(char c) { obuf[por++] = c; }
template <typename T>
inline void wt(T x) {
if (por > SZ - 32) flush();
if (!x) {
obuf[por++] = '0';
return;
}
if (x < 0) {
obuf[por++] = '-';
x = -x;
}
int i = 12;
char buf[16];
while (x >= 10000) {
memcpy(buf + i, pre.num + (x % 10000) * 4, 4);
x /= 10000;
i -= 4;
}
if (x < 100) {
if (x < 10) {
wt(char('0' + char(x)));
} else {
uint32_t q = (uint32_t(x) * 205) >> 11;
uint32_t r = uint32_t(x) - q * 10;
obuf[por + 0] = '0' + q;
obuf[por + 1] = '0' + r;
por += 2;
}
} else {
if (x < 1000) {
memcpy(obuf + por, pre.num + (x << 2) + 1, 3);
por += 3;
} else {
memcpy(obuf + por, pre.num + (x << 2), 4);
por += 4;
}
}
memcpy(obuf + por, buf + i + 4, 12 - i);
por += 12 - i;
}
inline void wt() {}
template <typename Head, typename... Tail>
inline void wt(Head head, Tail... tail) {
wt(head);
wt(tail...);
}
template <typename T>
inline void wtn(T x) {
wt(x, '\n');
}
struct Dummy {
Dummy() { atexit(flush); }
} dummy;
} // namespace fastio
using fastio::rd;
using fastio::wt;
using fastio::wtn;
using ll = long long;
template<class T>
inline bool chmax(T &a, T b) {
if(a < b) {
a = b;
return true;
}
return false;
}
map<ll, ll> mp[105];
ll A[105];
vector<ll> ans;
bool used[105];
int main() {
ll N;
cin >> N;
for(int i = 0; i < N; i++) {
cin >> A[i];
auto v = factorize(A[i]);
for(auto val : v) {
mp[i][val]++;
}
}
for(int t = 0; t < N; t++) {
map<ll, ll> num;
map<ll, ll> val;
map<ll, ll> idx;
for(int i = 0; i < N; i++) {
if(used[i]) continue;
for(auto tmp : mp[i]) {
if(num.count(tmp.first) == 0) {
num[tmp.first] = 1;
val[tmp.first] = tmp.second;
idx[tmp.first] = i;
} else {
if(chmax(val[tmp.first], tmp.second)) {
idx[tmp.first] = i;
num[tmp.first] = 1;
} else if(val[tmp.first] == tmp.second) {
num[tmp.first]++;
}
}
}
}
bool added = false;
for(auto tmp : num) {
if(tmp.second != 1) continue;
added = true;
ll i = idx[tmp.first];
ans.push_back(i);
used[i] = true;
break;
}
if(!added) {
cout << "No" << endl;
return 0;
}
}
reverse(ans.begin(), ans.end());
cout << "Yes" << endl;
for(int i = 0; i < ans.size(); i++) {
if(i != 0) cout << " ";
cout << A[ans[i]];
}
cout << endl;
}
Submission Info
Submission Time
2021-06-12 21:54:43+0900
Task
E - Increasing LCMs
User
kort0n
Language
C++ (GCC 9.2.1)
Score
800
Code Size
12580 Byte
Status
AC
Exec Time
34 ms
Memory
3728 KiB
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:555:22: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::vector<long long int>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
555 | for(int i = 0; i < ans.size(); i++) {
| ~~^~~~~~~~~~~~
Judge Result
Set Name
Sample
All
Score / Max Score
0 / 0
800 / 800
Status
Set Name
Test Cases
Sample
00-sample-001.txt, 00-sample-002.txt, 00-sample-003.txt
All
00-sample-001.txt, 00-sample-002.txt, 00-sample-003.txt, 01-001.txt, 01-002.txt, 01-003.txt, 01-004.txt, 01-005.txt, 01-006.txt, 01-007.txt, 01-008.txt, 01-009.txt, 01-010.txt, 01-011.txt, 01-012.txt, 01-013.txt, 01-014.txt, 01-015.txt, 01-016.txt, 01-017.txt, 01-018.txt, 01-019.txt, 01-020.txt, 01-021.txt, 01-022.txt, 01-023.txt, 01-024.txt, 01-025.txt, 01-026.txt, 01-027.txt, 01-028.txt, 01-029.txt, 01-030.txt, 01-031.txt
Case Name
Status
Exec Time
Memory
00-sample-001.txt
AC
12 ms
3620 KiB
00-sample-002.txt
AC
2 ms
3524 KiB
00-sample-003.txt
AC
4 ms
3620 KiB
01-001.txt
AC
3 ms
3580 KiB
01-002.txt
AC
12 ms
3556 KiB
01-003.txt
AC
4 ms
3548 KiB
01-004.txt
AC
4 ms
3616 KiB
01-005.txt
AC
8 ms
3668 KiB
01-006.txt
AC
9 ms
3560 KiB
01-007.txt
AC
7 ms
3704 KiB
01-008.txt
AC
13 ms
3536 KiB
01-009.txt
AC
4 ms
3464 KiB
01-010.txt
AC
2 ms
3656 KiB
01-011.txt
AC
3 ms
3552 KiB
01-012.txt
AC
9 ms
3688 KiB
01-013.txt
AC
4 ms
3588 KiB
01-014.txt
AC
5 ms
3568 KiB
01-015.txt
AC
11 ms
3664 KiB
01-016.txt
AC
2 ms
3524 KiB
01-017.txt
AC
13 ms
3504 KiB
01-018.txt
AC
34 ms
3468 KiB
01-019.txt
AC
8 ms
3580 KiB
01-020.txt
AC
12 ms
3596 KiB
01-021.txt
AC
10 ms
3696 KiB
01-022.txt
AC
13 ms
3588 KiB
01-023.txt
AC
24 ms
3480 KiB
01-024.txt
AC
11 ms
3684 KiB
01-025.txt
AC
11 ms
3596 KiB
01-026.txt
AC
8 ms
3528 KiB
01-027.txt
AC
13 ms
3564 KiB
01-028.txt
AC
27 ms
3496 KiB
01-029.txt
AC
8 ms
3532 KiB
01-030.txt
AC
11 ms
3728 KiB
01-031.txt
AC
6 ms
3692 KiB