結果
問題 | No.1593 Perfect Distance |
ユーザー | Cyclone28 |
提出日時 | 2021-07-09 22:27:13 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 4 ms / 2,000 ms |
コード長 | 4,540 bytes |
コンパイル時間 | 1,517 ms |
コンパイル使用メモリ | 165,000 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-01 17:04:51 |
合計ジャッジ時間 | 2,208 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 17 |
ソースコード
//C++ #include <algorithm> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> #if __cplusplus >= 201103L #include <array> #include <atomic> #include <chrono> #include <condition_variable> #include <forward_list> #include <future> #include <initializer_list> #include <mutex> #include <random> #include <ratio> #include <regex> #include <scoped_allocator> #include <system_error> #include <thread> #include <tuple> #include <typeindex> #include <type_traits> #include <unordered_map> #include <unordered_set> #endif #if __cplusplus >= 201402L #include <shared_mutex> #endif #if __cplusplus >= 201703L #include <any> #include <charconv> // #include <execution> #include <filesystem> #include <optional> //#include <memory_resource> #include <string_view> #include <variant> #endif #if __cplusplus > 201703L #include <barrier> #include <bit> #include <compare> #include <concepts> #if __cpp_impl_coroutine #include <coroutine> #endif #include <latch> #include <numbers> #include <ranges> #include <span> #include <stop_token> #include <semaphore> #include <source_location> #include <syncstream> #include <version> #endif //C #ifndef _GLIBCXX_NO_ASSERT #include <cassert> #endif #include <cctype> #include <cerrno> #include <cfloat> #include <ciso646> #include <climits> #include <clocale> #include <cmath> #include <csetjmp> #include <csignal> #include <cstdarg> #include <cstddef> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #if __cplusplus >= 201103L #include <ccomplex> #include <cfenv> #include <cinttypes> #include <cstdalign> #include <cstdbool> #include <cstdint> #include <ctgmath> #include <cwchar> #include <cwctype> #endif //#define int ll using namespace std; using ll = long long; using ld = long double; using ull = unsigned long long; using uint = unsigned int; using pii = pair<int, int>; using pll = pair<ll, ll>; using pdd = pair<double, double>; #define rep1(i, n) for(ll i = 0; i < (int)(n); i++) #define rep2(i, a, b) for(ll i = (int)(a); i < (int)(b); i++) #define rep3(i, a, b, c) for(ll i = (int)(a); i < (int)(b); i+=(int)(c)) #define rrep1(i, n) for(ll i = (int)(n); i >= 0; i--) #define rrep2(i, a, b) for(ll i = (int)(b); i >= (int)(a); i--) #define REP(i) for(ll i = 0; ; i++) #define all(v) (v).begin(), (v).end() template<class T> using pq = priority_queue<T, vector<T>, greater<T>>; template<class T> bool chmin(T &a, const T &b){ if(a > b){ a = b; return 1; } else return 0; } template<class T> bool chmax(T &a, const T &b){ if(a < b){ a = b; return 1; } else return 0; } template<class T> auto min(const T& a){ return *min_element(all(a)); } template<class T> auto max(const T& a){ return *max_element(all(a)); } template<class T> ll sum(const T& a){ return accumulate(all(a), 0LL); } template<class T> ld dsum(const T& a){ return accumulate(all(a), 0.0L); } const int MOD = 1000000007; const int MMOD = 998244353; const int MAX = 510000; const double PI = 3.14159265358979323846; const ll INF = 1LL<<60; ll gcd(ll a, ll b){ while(b){ ll c = b; b = a % b; a = c; } return a; } ll lcm(ll a, ll b){ if(!a || !b) return 0; return a * b / gcd(a, b); } ll POW(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; } ll MODPOW(ll a, ll b){ ll ret = 1; while(b){ if(b & 1) ret = ret*a%MOD; a = a*a%MOD; b /= 2;} return ret;} /* #include <boost/multiprecision/cpp_dec_float.hpp> #include <boost/multiprecision/cpp_int.hpp> namespace mp = boost::multiprecision; // 任意長整数型 using Bint = mp::cpp_int; //*/ /* struct Edge{ ll to; ll we; t(ll s, ll t) : to(s), we(t) {} }; using Graph = vector<vector<Edge>>; //*/ /* #include<atcoder/all> using namespace atcoder; //*/ /* ll op(ll a, ll b) { return a+b; } ll e() { return 0; } //*/ signed main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); ll N; cin >> N; N *= N; ll ans = 0; for(ll i = 1; i <= 1000000; i++){ if(i*i >= N) break; ll p = N-i*i; ll q = (ll)floor(sqrt((ld)p)); ans += (q*q==p?1:0); } cout << ans << endl; }