結果
問題 | No.1884 Sequence |
ユーザー |
|
提出日時 | 2022-03-25 21:51:07 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 198 ms / 2,000 ms |
コード長 | 3,432 bytes |
コンパイル時間 | 2,128 ms |
コンパイル使用メモリ | 207,664 KB |
最終ジャッジ日時 | 2025-01-28 11:59:02 |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 40 |
ソースコード
/*** author: shu8Cream* created: 25.03.2022 21:18:53**/#include <bits/stdc++.h>using namespace std;#define overload3(a,b,c,d,...) d#define rep1(i,n) for (int i=0; i<(n); i++)#define rep2(i,a,n) for (int i=(a); i<(n); i++)#define rep(...) overload3(__VA_ARGS__, rep2, rep1)(__VA_ARGS__)#define rrep1(i,n) for (int i=(n-1); i>=0; i--)#define rrep2(i,a,n) for (int i=(n-1); i>=(a); i--)#define rrep(...) overload3(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__)#define all(x) (x).begin(), (x).end()#define rall(x) (x).rbegin(), (x).rend()#define sz(x) int((x).size())using ll = long long;using P = pair<ll,ll>;template<typename T> using vc = vector<T>;template<typename T> using vv = vc<vc<T>>;using vi = vc<ll>;using vvi = vv<ll>;const ll INF = 8e18;template<typename T>istream& operator>>(istream&i,vc<T>&v){rep(j,sz(v))i>>v[j];return i;}template<typename T>string join(const T&v,const string& d=""){stringstream s;rep(i,sz(v))(i?s<<d:s)<<v[i];return s.str();}template<typename T>ostream& operator<<(ostream&o,const vc<T>&v){if(sz(v))o<<join(v," ");return o;}template<typename T1,typename T2>istream& operator>>(istream&i,pair<T1,T2>&v){return i>>v.first>>v.second;}template<typename T1,typename T2>ostream& operator<<(ostream&o,const pair<T1,T2>&v){return o<<v.first<<","<<v.second;}template<class T> inline bool chmax(T& a, T b) {if (a < b) { a = b; return true; }return false;}template<class T> inline bool chmin(T& a, T b) {if (a > b) { a = b; return true; }return false;}template <class T> string to_string(T s);template <class S, class T> string to_string(pair<S, T> p);string to_string(char c) { return string(1, c); }string to_string(string s) { return s; }string to_string(const char s[]) { return string(s); }template <class T>string to_string(T v) {if (v.empty()) return "{}";string ret = "{";for (auto x : v) ret += to_string(x) + ",";ret.back() = '}';return ret;}template <class S, class T>string to_string(pair<S, T> p) {return "{" + to_string(p.first) + ":" + to_string(p.second) + "}";}void debug_out() { cout << endl; }template <typename Head, typename... Tail>void debug_out(Head H, Tail... T) {cout << to_string(H) << " ";debug_out(T...);}#ifdef _DEBUG#define debug(...) debug_out(__VA_ARGS__)#else#define debug(...)#endifvi divisor(ll n) {vi ret;for (ll i = 1; i * i <= n; i++) {if (n % i == 0) {ret.push_back(i);if (i * i != n) ret.push_back(n / i);}}sort(rall(ret)); // 昇順に並べるreturn ret;}int main() {cin.tie(nullptr);ios::sync_with_stdio(false);ll n; cin >> n;vi a(n); cin >> a;int cnt = 0; rep(i,n)if(a[i]==0) cnt++;sort(all(a));if(cnt>=n-1){cout << "Yes" << endl;return 0;}vi d(n-cnt-1);rep(i,cnt,n-1) d[i-cnt] = a[i+1]-a[i];rep(i,sz(d))if(d[i]==0){int c = 0;rep(i,cnt,n)if(a[cnt]==a[i]) c++;cout << (c==n-cnt ? "Yes" : "No") << endl;return 0;}ll g = 0;rep(i,sz(d)) g = gcd(g,d[i]);vi div = divisor(g);bool f = false;for(auto p : div){ll tmp = 0;rep(i,sz(d)){tmp += d[i]/p-1;if(cnt<tmp) break;}if(tmp<=cnt){f = true;break;}}cout << (f ? "Yes" : "No") << endl;}