結果
問題 | No.2480 Sequence Sum |
ユーザー |
|
提出日時 | 2023-09-22 22:20:35 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 37 ms / 500 ms |
コード長 | 2,984 bytes |
コンパイル時間 | 2,159 ms |
コンパイル使用メモリ | 200,000 KB |
最終ジャッジ日時 | 2025-02-17 00:48:09 |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 13 |
ソースコード
#line 1 "combined.cpp"#pragma region Macros#include <bits/stdc++.h>using namespace std;template <class T> inline bool chmax(T &a, T b) {if(a < b) {a = b;return 1;}return 0;}template <class T> inline bool chmin(T &a, T b) {if(a > b) {a = b;return 1;}return 0;}#ifdef DEBUGtemplate <class T, class U>ostream &operator<<(ostream &os, const pair<T, U> &p) {os << '(' << p.first << ',' << p.second << ')';return os;}template <class T> ostream &operator<<(ostream &os, const vector<T> &v) {os << '{';for(int i = 0; i < (int)v.size(); i++) {if(i) { os << ','; }os << v[i];}os << '}';return os;}void debugg() { cerr << endl; }template <class T, class... Args> void debugg(const T &x, const Args &...args) {cerr << " " << x;debugg(args...);}#define debug(...) \cerr << __LINE__ << " [" << #__VA_ARGS__ << "]: ", debugg(__VA_ARGS__)#define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl#else#define debug(...) (void(0))#define dump(x) (void(0))#endifstruct Setup {Setup() {cin.tie(0);ios::sync_with_stdio(false);cout << fixed << setprecision(15);}} __Setup;using ll = long long;#define OVERLOAD3(_1, _2, _3, name, ...) name#define ALL(v) (v).begin(), (v).end()#define RALL(v) (v).rbegin(), (v).rend()#define REP1(i, n) for(int i = 0; i < int(n); i++)#define REP2(i, a, b) for(int i = (a); i < int(b); i++)#define REP(...) OVERLOAD3(__VA_ARGS__, REP2, REP1)(__VA_ARGS__)#define UNIQUE(v) sort(ALL(v)), (v).erase(unique(ALL(v)), (v).end())#define REVERSE(v) reverse(ALL(v))#define SZ(v) ((int)(v).size())const int INF = 1 << 30;const ll LLINF = 1LL << 60;constexpr int MOD = 1000000007;constexpr int MOD2 = 998244353;const int dx[4] = {1, 0, -1, 0};const int dy[4] = {0, 1, 0, -1};void Case(int i) { cout << "Case #" << i << ": "; }int popcount(int x) { return __builtin_popcount(x); }ll popcount(ll x) { return __builtin_popcountll(x); }void solve();int main() {int T{1};// cin >> T;while(T--) solve();}#pragma endregion Macros/*x, x+1 のみ出現x,x,...,x,x+1,x+1,...,x+1数列の長さをLと固定すると、0 < N - x*L < LLx < N < L(x+1)x < N/L < x+1*/#line 2 "/Users/siro53/kyo-pro/compro_library/math/divisor.hpp"#line 5 "/Users/siro53/kyo-pro/compro_library/math/divisor.hpp"template<typename T>std::vector<T> divisor(T n) {static_assert(std::is_integral<T>::value == true, "type 'T' should be integer.");std::vector<T> ret;for(T i = 1; i * i <= n; i++) {if(n % i == 0) {ret.push_back(i);if(i * i != n) ret.push_back(n / i);}}std::sort(ret.begin(), ret.end());return ret;}#line 93 "combined.cpp"void solve() {ll N;cin >> N;cout << N - SZ(divisor<ll>(N)) << endl;}