結果
問題 | No.195 フィボナッチ数列の理解(2) |
ユーザー | Pachicobue |
提出日時 | 2017-10-11 16:29:28 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 3,979 bytes |
コンパイル時間 | 2,025 ms |
コンパイル使用メモリ | 177,208 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-17 09:42:42 |
合計ジャッジ時間 | 2,695 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 2 ms
5,248 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
ソースコード
#include <bits/stdc++.h> #define show(x) cerr << #x << " = " << x << endl using namespace std; using ll = long long; using pii = pair<int, int>; using vi = vector<int>; template <typename T> ostream& operator<<(ostream& os, const vector<T>& v) { os << "sz=" << v.size() << "\n["; for (const auto& p : v) { os << p << ","; } os << "]\n"; return os; } template <typename S, typename T> ostream& operator<<(ostream& os, const pair<S, T>& p) { os << "(" << p.first << "," << p.second << ")"; return os; } constexpr ll MOD = 1e9 + 7; template <typename T> constexpr T INF = numeric_limits<T>::max() / 100; constexpr ll MAX = (ll)1e9; using P = pair<ll, ll>; bool solve(const P& c1, const P& c2, const ll X, const ll Y, P& ans) { const ll XX = c2.second * X - c1.second * Y; const ll YY = -c2.first * X + c1.first * Y; const ll Z = c1.first * c2.second - c1.second * c2.first; if (Z == 0 or XX % Z != 0 or YY % Z != 0) { return false; } else { const ll XXX = XX / Z; const ll YYY = YY / Z; if (XXX > 0 and YYY > 0) { ans = make_pair(XXX, YYY); return true; } else { return false; } } } int main() { cin.tie(0); ios::sync_with_stdio(false); vector<P> coeff; pair<ll, ll> a = make_pair(1, 0); coeff.push_back(a); pair<ll, ll> b = make_pair(0, 1); while (b.first + b.second < MAX) { coeff.push_back(b); const auto b_ = make_pair(a.first + b.first, a.second + b.second); a = b; b = b_; } const int size = coeff.size(); const P INFP = make_pair(INF<ll>, INF<ll>); ll X, Y, Z; cin >> X >> Y >> Z; ll tmp[3] = {X, Y, Z}; sort(tmp, tmp + 3); X = tmp[0]; Y = tmp[1]; Z = tmp[2]; if (X != Y and Y != Z) { P mini = INFP; for (int i = 0; i < size - 2; i++) { for (int j = i + 1; j < size - 1; j++) { P p; if (solve(coeff[i], coeff[j], X, Y, p)) { for (int k = j + 1; k < size; k++) { if (p.first * coeff[k].first + p.second * coeff[k].second == Z) { mini = min(mini, p); } } } } } if (mini != INFP) { cout << mini.first << " " << mini.second << endl; } else { cout << -1 << endl; } } else if (X != Y) { P mini = INFP; for (int i = 0; i < size - 1; i++) { for (int j = i + 1; j < size; j++) { P p; if (solve(coeff[i], coeff[j], X, Y, p)) { mini = min(mini, p); } } } if (mini != INFP) { cout << mini.first << " " << mini.second << endl; } else { cout << -1 << endl; } } else if (Y != Z) { P mini = INFP; for (int i = 0; i < size - 1; i++) { for (int j = i + 1; j < size; j++) { P p; if (solve(coeff[i], coeff[j], Y, Z, p)) { mini = min(mini, p); } } } if (mini != INFP) { cout << mini.first << " " << mini.second << endl; } else { cout << -1 << endl; } } else { if (Z > 1) { bool flag = false; for (int i = size - 1; i >= 0; i--) { if (coeff[i].first + coeff[i].second <= Z and (Z - coeff[i].first) % coeff[i].second == 0) { cout << 1 << " " << (Z - coeff[i].first) / coeff[i].second << endl; flag = true; break; } } if (not flag) { cout << 1 << " " << Z - 1 << endl; } } else { cout << "1 1" << endl; } } return 0; }