結果
問題 | No.2074 Product is Square ? |
ユーザー | dyktr_06 |
提出日時 | 2022-09-16 22:25:47 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 469 ms / 2,000 ms |
コード長 | 4,034 bytes |
コンパイル時間 | 1,940 ms |
コンパイル使用メモリ | 185,404 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-01 13:30:41 |
合計ジャッジ時間 | 7,366 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 101 ms
6,944 KB |
testcase_02 | AC | 101 ms
6,944 KB |
testcase_03 | AC | 107 ms
6,940 KB |
testcase_04 | AC | 104 ms
6,940 KB |
testcase_05 | AC | 106 ms
6,944 KB |
testcase_06 | AC | 111 ms
6,940 KB |
testcase_07 | AC | 109 ms
6,944 KB |
testcase_08 | AC | 108 ms
6,940 KB |
testcase_09 | AC | 105 ms
6,944 KB |
testcase_10 | AC | 103 ms
6,940 KB |
testcase_11 | AC | 28 ms
6,940 KB |
testcase_12 | AC | 106 ms
6,944 KB |
testcase_13 | AC | 452 ms
6,944 KB |
testcase_14 | AC | 74 ms
6,940 KB |
testcase_15 | AC | 27 ms
6,944 KB |
testcase_16 | AC | 112 ms
6,940 KB |
testcase_17 | AC | 469 ms
6,940 KB |
testcase_18 | AC | 79 ms
6,940 KB |
testcase_19 | AC | 27 ms
6,940 KB |
testcase_20 | AC | 114 ms
6,940 KB |
testcase_21 | AC | 454 ms
6,940 KB |
testcase_22 | AC | 74 ms
6,944 KB |
testcase_23 | AC | 27 ms
6,940 KB |
testcase_24 | AC | 112 ms
6,940 KB |
testcase_25 | AC | 455 ms
6,940 KB |
testcase_26 | AC | 79 ms
6,944 KB |
testcase_27 | AC | 27 ms
6,944 KB |
testcase_28 | AC | 120 ms
6,944 KB |
testcase_29 | AC | 453 ms
6,940 KB |
testcase_30 | AC | 75 ms
6,944 KB |
testcase_31 | AC | 11 ms
6,944 KB |
testcase_32 | AC | 2 ms
6,940 KB |
testcase_33 | AC | 4 ms
6,944 KB |
コンパイルメッセージ
main.cpp: In function 'void in(T& ...)': main.cpp:28:55: warning: fold-expressions only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 28 | template<class... T> void in(T&... a){ (cin >> ... >> a); } | ^ main.cpp: In function 'void out(const T&, const Ts& ...)': main.cpp:30:112: warning: fold-expressions only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 30 | template<class T, class... Ts> void out(const T& a, const Ts&... b){ cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; } | ^ main.cpp: In function 'void solve()': main.cpp:114:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 114 | for(auto [k, x] : mp){ | ^
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i = 0; i < (int)(n); ++i) #define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; --i) #define ALL(a) a.begin(), a.end() #define Sort(a) sort(a.begin(), a.end()) #define RSort(a) sort(a.rbegin(), a.rend()) typedef long long int ll; typedef long double ld; typedef vector<int> vi; typedef vector<long long> vll; typedef vector<char> vc; typedef vector<string> vst; typedef vector<double> vd; typedef pair<long long, long long> P; const long long INF = 0x1fffffffffffffff; const long long MOD = 998244353; const long double PI = acos(-1); 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; } template<class T, class U> inline T vin(T& vec, U n) { vec.resize(n); for(int i = 0; i < (int) n; ++i) cin >> vec[i]; return vec; } template<class T> inline void vout(T vec, string s = "\n"){ for(auto x : vec) cout << x << s; } template<class... T> void in(T&... a){ (cin >> ... >> a); } void out(){ cout << '\n'; } template<class T, class... Ts> void out(const T& a, const Ts&... b){ cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; } template<class T, class U> void inGraph(vector<vector<T>>& G, U n, U m, bool directed = false){ G.resize(n); for(int i = 0; i < m; i++){ int a, b; cin >> a >> b; a--, b--; G[a].push_back(b); if(!directed) G[b].push_back(a); } } // https://judge.yosupo.jp/submission/93061 typedef long long LL; typedef unsigned long long ULL; namespace Rho { ULL mult(ULL a, ULL b, ULL mod) { LL ret = a * b - mod * (ULL)(1.0L / mod * a * b); return ret + mod * (ret < 0) - mod * (ret >= (LL) mod); } ULL power(ULL x, ULL p, ULL mod){ ULL s=1, m=x; while(p) { if(p&1) s = mult(s, m, mod); p>>=1; m = mult(m, m, mod); } return s; } vector<LL> bases = {2, 325, 9375, 28178, 450775, 9780504, 1795265022}; bool isprime(LL n) { if (n<2) return 0; if (n%2==0) return n==2; ULL s = __builtin_ctzll(n-1), d = n>>s; for (ULL x: bases) { ULL p = power(x%n, d, n), t = s; while (p!=1 && p!=n-1 && x%n && t--) p = mult(p, p, n); if (p!=n-1 && t != s) return 0; } return 1; } ///Returns a proper divisor if n is composite, n otherwise ///Possible Optimization: use binary gcd for ~10% speedup mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count()); ULL FindFactor(ULL n) { if (n == 1 || isprime(n)) return n; ULL c = 1, x = 0, y = 0, t = 0, prod = 2, x0 = 1, q; auto f = [&](ULL X) { return mult(X, X, n) + c;}; while (t++ % 128 or __gcd(prod, n) == 1) { if (x == y) c = rng()%(n-1)+1, x = x0, y = f(x); if ((q = mult(prod, max(x, y) - min(x, y), n))) prod = q; x = f(x), y = f(f(y)); } return __gcd(prod, n); } ///Returns all prime factors vector<ULL> factorize(ULL x) { if (x == 1) return {}; ULL a = FindFactor(x), b = x/a; if (a == x) return {a}; vector<ULL> L = factorize(a), R = factorize(b); L.insert(L.end(), R.begin(), R.end()); return L; } } ll t; void input(){ in(t); } void solve(){ while(t--){ ll n; in(n); map<ll, ll> mp; vll a; vin(a, n); rep(i, n){ vector<ULL> f = Rho::factorize(a[i]); for(auto x : f){ if(mp.count(x) == 0){ mp[x] = 0; } mp[x]++; } } string ans = "Yes"; for(auto [k, x] : mp){ if(x % 2 == 1){ ans = "No"; break; } } out(ans); } } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); input(); solve(); }