結果
| 問題 |
No.1006 Share an Integer
|
| コンテスト | |
| ユーザー |
peroon
|
| 提出日時 | 2020-03-30 12:54:32 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 1,373 ms / 2,000 ms |
| コード長 | 4,882 bytes |
| コンパイル時間 | 2,449 ms |
| コンパイル使用メモリ | 196,276 KB |
| 実行使用メモリ | 68,204 KB |
| 最終ジャッジ日時 | 2024-06-11 19:58:41 |
| 合計ジャッジ時間 | 15,798 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 19 |
ソースコード
#ifdef LOCAL
#define _GLIBCXX_DEBUG
#define __clock__
#else
#pragma GCC optimize("Ofast")
#endif
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using VI = vector<ll>;
using VV = vector<VI>;
using VS = vector<string>;
using PII = pair<ll, ll>;
// tourist set
template <typename A, typename B>
string to_string(pair<A, B> p);
template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p);
template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p);
string to_string(const string& s) {
return '"' + s + '"';
}
string to_string(const char* s) {
return to_string((string) s);
}
string to_string(bool b) {
return (b ? "true" : "false");
}
string to_string(vector<bool> v) {
bool first = true;
string res = "{";
for (int i = 0; i < static_cast<int>(v.size()); i++) {
if (!first) {
res += ", ";
}
first = false;
res += to_string(v[i]);
}
res += "}";
return res;
}
template <size_t N>
string to_string(bitset<N> v) {
string res = "";
for (size_t i = 0; i < N; i++) {
res += static_cast<char>('0' + v[i]);
}
return res;
}
template <typename A>
string to_string(A v) {
bool first = true;
string res = "{";
for (const auto &x : v) {
if (!first) {
res += ", ";
}
first = false;
res += to_string(x);
}
res += "}";
return res;
}
template <typename A, typename B>
string to_string(pair<A, B> p) {
return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}
template <typename A, typename B, typename C>
string to_string(tuple<A, B, C> p) {
return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")";
}
template <typename A, typename B, typename C, typename D>
string to_string(tuple<A, B, C, D> p) {
return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")";
}
void debug_out() { cerr << '\n'; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
cerr << " " << to_string(H);
debug_out(T...);
}
#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
// tourist set end
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define rep(i,b) FOR(i, 0, b)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<'\n'
#define p2(s, t) cout << (s) << " " << (t) << '\n'
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << '\n'
#define SZ(x) ((int)(x).size())
#define SORT(A) sort(ALL(A))
#define RSORT(A) sort(ALL(A), greater<ll>())
#define MP make_pair
#define p_yes() p("Yes")
#define p_no() p("No")
ll SUM(VI& V){
return accumulate(ALL(V), 0LL);
}
ll MIN(VI& V){return *min_element(ALL(V));}
ll MAX(VI& V){return *max_element(ALL(V));}
void print_vector(VI& V){
ll n = V.size();
rep(i, n){
if(i) cout << ' ';
cout << V[i];
}
cout << endl;
}
ll gcd(ll a,ll b){
if(b == 0) return a;
return gcd(b,a%b);
}
ll lcm(ll a,ll b){
ll g = gcd(a,b);
return a / g * b;
}
// long double
using ld = long double;
#define EPS (1e-14)
#define equals(a,b) (fabs((a)-(b)) < EPS)
void no(){p_no(); exit(0);}
void yes(){p_yes(); exit(0);}
const ll mod = 1e9 + 7;
const ll inf = 1e18;
const double PI = acos(-1);
const int N_MAX = 2000000;
ll spf[N_MAX]; // smallest prime factors
void prepare_factorize(){
rep(i,N_MAX) spf[i] = i;
for(int p=2; p*p <= N_MAX; p++){
for(int i=p; i<N_MAX; i+=p){
if(spf[i]==i) spf[i] = p;
}
}
}
// 素因数分解
// その素因数が何個あるかのmapを返す
map<ll, ll> factorize_fast(ll n){
if(spf[1]==0){
p("please initialize");
exit(0);
}
map<ll, ll> mp;
// if(n==1){
// mp[1]++;
// return mp;
// }
while(n!=1){
ll p = spf[n];
mp[p]++;
n/=p;
}
return mp;
}
// 約数の種類数
// 6 => 1, 2, 3, 6なので4
ll yaku(ll n){
// auto mp = factorize(n);
auto mp = factorize_fast(n);
ll ret = 1;
for(auto pa : mp){
ret *= (pa.second+1);
}
return ret;
}
ll f(ll v){
return v - yaku(v);
}
int main(){
cin.tie(0);
ios::sync_with_stdio(false);
// input
ll X;cin>>X;
prepare_factorize();
vector<pair<ll, PII>> V;
FOR(a, 1, X){
ll b = X-a;
if(b<=0) continue;
ll v = abs(f(a)-f(b));
V.push_back(MP(v, MP(a,b)));
}
sort(ALL(V));
ll mi = V[0].first;
for(auto triplet : V){
if(triplet.first==mi){
ll a = triplet.second.first;
ll b = triplet.second.second;
p2(a,b);
}
}
return 0;
}
peroon