結果
問題 | No.800 四平方定理 |
ユーザー | hitonanode |
提出日時 | 2019-03-17 21:26:54 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 79 ms / 2,000 ms |
コード長 | 3,386 bytes |
コンパイル時間 | 1,556 ms |
コンパイル使用メモリ | 170,088 KB |
実行使用メモリ | 65,776 KB |
最終ジャッジ日時 | 2024-07-07 20:26:11 |
合計ジャッジ時間 | 3,588 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | 18 ms
65,576 KB |
testcase_01 | AC | 18 ms
65,636 KB |
testcase_02 | AC | 18 ms
65,632 KB |
testcase_03 | AC | 17 ms
65,716 KB |
testcase_04 | AC | 19 ms
65,544 KB |
testcase_05 | AC | 17 ms
65,776 KB |
testcase_06 | AC | 17 ms
65,684 KB |
testcase_07 | AC | 18 ms
65,612 KB |
testcase_08 | AC | 17 ms
65,552 KB |
testcase_09 | AC | 18 ms
65,712 KB |
testcase_10 | AC | 36 ms
65,552 KB |
testcase_11 | AC | 40 ms
65,716 KB |
testcase_12 | AC | 49 ms
65,568 KB |
testcase_13 | AC | 38 ms
65,752 KB |
testcase_14 | AC | 40 ms
65,612 KB |
testcase_15 | AC | 41 ms
65,616 KB |
testcase_16 | AC | 39 ms
65,696 KB |
testcase_17 | AC | 42 ms
65,572 KB |
testcase_18 | AC | 42 ms
65,748 KB |
testcase_19 | AC | 44 ms
65,720 KB |
testcase_20 | AC | 17 ms
65,640 KB |
testcase_21 | AC | 17 ms
65,716 KB |
testcase_22 | AC | 42 ms
65,684 KB |
testcase_23 | AC | 79 ms
65,716 KB |
testcase_24 | AC | 68 ms
65,576 KB |
testcase_25 | AC | 78 ms
65,616 KB |
testcase_26 | AC | 18 ms
65,712 KB |
testcase_27 | AC | 17 ms
65,692 KB |
testcase_28 | AC | 65 ms
65,712 KB |
testcase_29 | AC | 72 ms
65,772 KB |
testcase_30 | AC | 68 ms
65,716 KB |
testcase_31 | AC | 67 ms
65,732 KB |
testcase_32 | AC | 72 ms
65,688 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using lint = long long int; using pint = pair<int, int>; using plint = pair<lint, lint>; struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; #define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++) #define IFOR(i, begin, end) for(int i=(end)-1,i##_begin_=(begin);i>=i##_begin_;i--) #define REP(i, n) FOR(i,0,n) #define IREP(i, n) IFOR(i,0,n) template<typename T> istream &operator>>(istream &is, vector<T> &vec){ for (auto &v : vec) is >> v; return is; } template<typename T> ostream &operator<<(ostream &os, const vector<T> &vec){ os << "["; for (auto v : vec) os << v << ","; os << "]"; return os; } template<typename T> ostream &operator<<(ostream &os, const deque<T> &vec){ os << "deq["; for (auto v : vec) os << v << ","; os << "]"; return os; } template<typename T> ostream &operator<<(ostream &os, const set<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template<typename T> ostream &operator<<(ostream &os, const unordered_set<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template<typename T> ostream &operator<<(ostream &os, const multiset<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template<typename T> ostream &operator<<(ostream &os, const unordered_multiset<T> &vec){ os << "{"; for (auto v : vec) os << v << ","; os << "}"; return os; } template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa){ os << "(" << pa.first << "," << pa.second << ")"; return os; } template<typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; } template<typename TK, typename TV> ostream &operator<<(ostream &os, const unordered_map<TK, TV> &mp){ os << "{"; for (auto v : mp) os << v.first << "=>" << v.second << ","; os << "}"; return os; } template<typename T> void ndarray(vector<T> &vec, int len) { vec.resize(len); } template<typename T, typename... Args> void ndarray(vector<T> &vec, int len, Args... args) { vec.resize(len); for (auto &v : vec) ndarray(v, args...); } template<typename T> bool mmax(T &m, const T q) { if (m < q) {m = q; return true;} else return false; } template<typename T> bool mmin(T &m, const T q) { if (m > q) {m = q; return true;} else return false; } template<typename T1, typename T2> pair<T1, T2> operator+(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first + r.first, l.second + r.second); } template<typename T1, typename T2> pair<T1, T2> operator-(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first - r.first, l.second - r.second); } #define dbg(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ") " << __FILE__ << endl; #define FI first #define SE second #define ALL(x) (x).begin(), (x).end() #define SZ(x) ((lint)(x).size()) #define POW2(n) (1LL << (n)) int N, D; constexpr int Nmax = 2000; int main() { cin >> N >> D; vector<lint> xy(Nmax * Nmax * 2 + 1); FOR(i, 1, N + 1) FOR(j, 1, N + 1) xy[i * i + j * j]++; lint ans = 0; FOR(w, 1, N + 1) FOR(z, 1, N + 1) if (D + w * w - z * z >= 0 and D + w * w - z * z <= Nmax * Nmax * 2) ans += xy[D + w * w - z * z]; cout << ans << endl; }