結果
問題 | No.2125 Inverse Sum |
ユーザー | karinohito |
提出日時 | 2022-11-18 22:48:32 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
MLE
|
実行時間 | - |
コード長 | 4,682 bytes |
コンパイル時間 | 4,659 ms |
コンパイル使用メモリ | 275,088 KB |
実行使用メモリ | 814,816 KB |
最終ジャッジ日時 | 2024-09-20 03:17:30 |
合計ジャッジ時間 | 7,631 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | MLE | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
ソースコード
#include <bits/stdc++.h> using namespace std; #include <atcoder/all> using namespace atcoder; using ll = long long; using vll = vector<ll>; using vvll = vector<vll>; using vvvll = vector<vvll>; using vvvvll = vector<vvvll>; using vvvvvll = vector<vvvvll>; using vvvvvvll = vector<vvvvvll>; using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>; using vvvvb = vector<vvvb>; using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>; using vvvvd = vector<vvvd>; using vvvvvd = vector<vvvvd>; #define all(A) A.begin(),A.end() #define ALL(A) A.begin(),A.end() #define rep(i, n) for (ll i = 0; i < (ll) (n); i++) using pqr = priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>>; template<class T> bool chmax(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p < q) { p = q; return 1; } else { return 0; } } template<class T> bool chmin(T& p, T q, bool C = 1) { if (C == 0 && p == q) { return 1; } if (p > q) { p = q; return 1; } else { return 0; } } ll gcd(ll(a), ll(b)) { if (b == 0)return a; ll c = a; while (a % b != 0) { c = a % b; a = b; b = c; } return b; } ll sqrtz(ll N) { ll L = 0; ll R = sqrt(N) + 10000; while (abs(R - L) > 1) { ll mid = (R + L) / 2; if (mid * mid <= N)L = mid; else R = mid; } return L; } using mint = modint1000000007; vector<mint> fact, factinv, inv; const ll mod = 1000000007; void prenCkModp(ll n) { fact.resize(n + 5); factinv.resize(n + 5); inv.resize(n + 5); fact[0] = fact[1] = 1; factinv[0] = factinv[1] = 1; inv[1] = 1; for (ll i = 2; i < n + 5; i++) { fact[i] = (fact[i - 1] * i); inv[i] = (mod - (inv[mod % i] * (mod / i))); factinv[i] = (factinv[i - 1] * inv[i]); } } mint nCk(ll n, ll k) { if (n < k || k < 0) return 0; return (fact[n] * ((factinv[k] * factinv[n - k]))); } ; template <int char_size, int base> struct Trie { struct Node { vector<int> next; vector<int> accept; int c; int common; int depth; Node(int c_) : c(c_), common(0) { next.assign(char_size, -1); depth = 0; } }; vector<Node> nodes; int root; Trie() : root(0) { nodes.push_back(Node(root)); } void insert(const string& word, int word_id) { int node_id = 0; for (int i = 0; i < (int)word.size(); i++) { int c = (int)(word[i] - base); int& next_id = nodes[node_id].next[c]; if (next_id == -1) { next_id = (int)nodes.size(); nodes.push_back(Node(c)); nodes.back().depth = nodes[node_id].depth + 1; } ++nodes[node_id].common; node_id = next_id; } ++nodes[node_id].common; nodes[node_id].accept.push_back(word_id); } void insert(const string& word) { insert(word, nodes[0].common); } bool search(const string& word, bool prefix = false) { int node_id = 0; for (int i = 0; i < (int)word.size(); i++) { int c = (int)(word[i] - base); int& next_id = nodes[node_id].next[c]; if (next_id == -1) { return false; } node_id = next_id; } return (prefix) ? true : nodes[node_id].accept.size() > 0; } bool start_with(const string& prefix) { return search(prefix, true); } int count() const { return (nodes[0].common); } int size() const { return ((int)nodes.size()); } }; int main() { ll P,Q; cin>>P>>Q; vector<pair<ll,ll>> AN; vll A; for(ll i=1;i*i<=Q;i++){ A.push_back(i); if(Q%i==0){ if(i*i!=Q)A.push_back(Q/i); } } ll d=A.size(); sort(all(A)); rep(ii,d){ rep(jj,ii+1){ ll i=A[ii]*A[jj]; if(i>Q)break; ll x=i+Q; ll y=Q+((Q*Q)/i); if(x%P==0&&y%P==0){ AN.push_back({x/P,y/P}); AN.push_back({y/P,x/P}); } x=(Q/i)+Q; y=Q+((Q*Q)/(Q/i)); if(x%P==0&&y%P==0){ AN.push_back({x/P,y/P}); AN.push_back({y/P,x/P}); } } } vector<pair<ll,ll>> ANS; sort(all(AN)); rep(i,AN.size()){ if(i==0||AN[i]!=AN[i-1]){ ANS.push_back(AN[i]); } } cout<<ANS.size()<<endl; for(auto p:ANS)cout<<p.first<<" "<<p.second<<endl; }