結果

問題 No.1261 数字集め
ユーザー heno239
提出日時 2020-10-16 23:01:39
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 5,566 bytes
コンパイル時間 1,668 ms
コンパイル使用メモリ 118,284 KB
最終ジャッジ日時 2025-01-27 22:50:22
合計ジャッジ時間 8,655 ms
ジャッジサーバーID
(参考情報)
judge3 / judge5
このコードへのチャレンジ
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ただし、clay言語の場合は開発者のデバッグのため、公開されます。

コンパイルメッセージ
In file included from /usr/include/c++/13/string:43,
                 from /usr/include/c++/13/bits/locale_classes.h:40,
                 from /usr/include/c++/13/bits/ios_base.h:41,
                 from /usr/include/c++/13/ios:44,
                 from /usr/include/c++/13/ostream:40,
                 from /usr/include/c++/13/iostream:41,
                 from main.cpp:4:
/usr/include/c++/13/bits/allocator.h: In destructor ‘std::_Vector_base<int, std::allocator<int> >::_Vector_impl::~_Vector_impl()’:
/usr/include/c++/13/bits/allocator.h:184:7: error: inlining failed in call to ‘always_inline’ ‘std::allocator< <template-parameter-1-1> >::~allocator() noexcept [with _Tp = int]’: target specific option mismatch
  184 |       ~allocator() _GLIBCXX_NOTHROW { }
      |       ^
In file included from /usr/include/c++/13/vector:66,
                 from main.cpp:7:
/usr/include/c++/13/bits/stl_vector.h:133:14: note: called from here
  133 |       struct _Vector_impl
      |              ^~~~~~~~~~~~

ソースコード

diff #
プレゼンテーションモードにする

#pragma GCC optimize("Ofast")
#pragma GCC target ("sse4")
#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<unordered_set>
#include<utility>
#include<cassert>
#include<complex>
#include<numeric>
#include<array>
using namespace std;
//#define int long long
typedef long long ll;
typedef unsigned long long ul;
typedef unsigned int ui;
constexpr ll mod = 1000000007;
const ll INF = mod * mod;
typedef pair<int, int>P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
#define all(v) (v).begin(),(v).end()
typedef pair<ll, ll> LP;
typedef long double ld;
typedef pair<ld, ld> LDP;
const ld eps = 1e-12;
const ld pi = acosl(-1.0);
ll mod_pow(ll x, ll n, ll m = mod) {
ll res = 1;
while (n) {
if (n & 1)res = res * x % m;
x = x * x % m; n >>= 1;
}
return res;
}
struct modint {
ll n;
modint() :n(0) { ; }
modint(ll m) :n(m) {
if (n >= mod)n %= mod;
else if (n < 0)n = (n % mod + mod) % mod;
}
operator int() { return n; }
};
bool operator==(modint a, modint b) { return a.n == b.n; }
modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; }
modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; }
modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; }
modint operator+(modint a, modint b) { return a += b; }
modint operator-(modint a, modint b) { return a -= b; }
modint operator*(modint a, modint b) { return a *= b; }
modint operator^(modint a, ll n) {
if (n == 0)return modint(1);
modint res = (a * a) ^ (n / 2);
if (n % 2)res = res * a;
return res;
}
ll inv(ll a, ll p) {
return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p);
}
modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); }
const int max_n = 1 << 21;
modint fact[max_n], factinv[max_n];
void init_f() {
fact[0] = modint(1);
for (int i = 0; i < max_n - 1; i++) {
fact[i + 1] = fact[i] * modint(i + 1);
}
factinv[max_n - 1] = modint(1) / fact[max_n - 1];
for (int i = max_n - 2; i >= 0; i--) {
factinv[i] = factinv[i + 1] * modint(i + 1);
}
}
modint comb(int a, int b) {
if (a < 0 || b < 0 || a < b)return 0;
return fact[a] * factinv[b] * factinv[a - b];
}
typedef array<modint,4> vec;
using mat = array<vec, 4>;
mat mtmul(mat& A, mat& B) {
mat C;
rep(i, 4) {
rep(k, 4) {
rep(j, 4) {
C[i][j] += A[i][k] * B[k][j];
}
}
}
return C;
}
mat mtpow(mat A, ll n) {
mat B;
rep(i,4) {
B[i][i] = 1;
}
while (n > 0) {
if (n & (ll)1)B = mtmul(B, A);
A = mtmul(A, A);
n >>= 1;
}
return B;
}
int mebius[1 << 20];
vector<int> chcnt(1 << 20);
int loc[1 << 20];
vector<int> ch[1 << 20];
bool isp[1 << 20];
void init() {
fill(isp + 2, isp + (1 << 20), true);
fill(mebius, mebius + (1 << 20), 1);
for (int i = 2; i < (1 << 20); i++) {
if (!isp[i])continue;
mebius[i] *= -1;
for (int j = 2 * i; j < (1 << 20); j += i) {
isp[j] = false;
mebius[j] *= -1;
if ((j / i) % i == 0) {
mebius[j] = 0;
}
}
}
for (int i = 2; i < (1 << 20); i++) {
for (int j = i; j < (1 << 20); j += i) {
chcnt[j]++;
}
}
for (int i = 2; i < (1 << 20); i++)ch[i].resize(chcnt[i]);
for (int i = 2; i < (1 << 20); i++) {
for (int j = i; j < (1 << 20); j += i) {
ch[j][loc[j]]= i; loc[j]++;
}
}
}
void solve() {
int n, m; cin >> n >> m;
vector<int> a(n + 1);
for (int i = 2; i <= n; i++)cin >> a[i];
modint ans = 0;
for (int j = 2; j < n; j++) {
if (n % j)continue;
for (int d : ch[j])if(d>1&&d<j) {
mat mt = array<vec,4>{ vec{0,1,0,0},vec{0,a[n] - 1,1,0},vec{0,0,a[j] - 1,1},vec{0,0,0,a[d]-1} };
mt = mtpow(mt, m);
ans += mt[0][3];
//cout << d << " " << j << " " << mt[0][3] << "\n";
}
}
cout << ans << "\n";
vector<bool> canend(n+1);
rep1(i, n)if (n % i == 0)canend[i] = true;
int q; cin >> q;
rep(i, q) {
int l, r; cin >> l >> r;
if (r == n) {
for (int d : ch[l])if(d>1&&d<l) {
mat mt = array<vec, 4>{ vec{ 0,1,0,0 }, vec{ 0,a[n] - 1,1,0 }, vec{ 0,0,a[l] - 1,1 }, vec{ 0,0,0,a[d] - 1 } };
mt = mtpow(mt, m);
ans += mt[0][3];
}
canend[l] = true;
}
else {
if (canend[r]) {
mat mt = array<vec, 4>{ vec{ 0,1,0,0 }, vec{ 0,a[n] - 1,1,0 }, vec{ 0,0,a[r] - 1,1 }, vec{ 0,0,0,a[l] - 1 } };
mt = mtpow(mt, m);
ans += mt[0][3];
}
ch[r].push_back(l);
}
cout << ans << "\n";
}
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
//cout << fixed << setprecision(15);
//init_f();
init();
//expr();
//int t; cin >> t; rep(i, t)
solve();
return 0;
}
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