結果
問題 | No.915 Plus Or Multiple Operation |
ユーザー | ningenMe |
提出日時 | 2019-10-12 17:41:32 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,780 bytes |
コンパイル時間 | 1,753 ms |
コンパイル使用メモリ | 175,776 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-11-07 03:19:48 |
合計ジャッジ時間 | 2,433 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 3 ms
6,816 KB |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | WA | - |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | WA | - |
testcase_12 | AC | 2 ms
6,816 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;} template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;} template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;} template <template <class tmp> class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} void print(void) {cout << endl;} template <class Head> void print(Head&& head) {cout << head;print();} template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);} template<class T> class SegmentTree { size_t length; //セグメント木の最下段の要素の数(vectorの要素の数を超える2べきの数) T init; //各ノードの初期値 vector<T> node; //ノード function<T(T,T)> funcNode; //node同士の演算 function<T(T,T)> funcMerge; //nodeとvarの演算 public: //vectorで初期化 SegmentTree(const vector<T> & vec, const T init, function<T(T,T)> funcNode, function<T(T,T)> funcMerge) : init(init), funcNode(funcNode), funcMerge(funcMerge) { for (length = 1; length < vec.size(); length *= 2); node.resize(2 * length, init); for (int i = 0; i < vec.size(); ++i) node[i + length] = vec[i]; for (int i = length - 1; i >= 0; --i) node[i] = funcNode(node[(i<<1)+0],node[(i<<1)+1]); } //lengthだけで初期化 SegmentTree(const size_t num, const T init, function<T(T,T)> funcNode, function<T(T,T)> funcMerge) : init(init), funcNode(funcNode), funcMerge(funcMerge) { for (length = 1; length < num; length *= 2); node.resize(2 * length, init); } //idx : 0-indexed void update(size_t idx, const T var) { if(idx < 0 || length <= idx) return; idx += length; node[idx] = funcMerge(node[idx],var); while(idx >>= 1) node[idx] = funcNode(node[(idx<<1)+0],node[(idx<<1)+1]); } //[l,r) T get(int l, int r) { if (l < 0 || length <= l || r < 0 || length < r) return init; T vl = init, vr = init; for(l += length, r += length; l < r; l >>=1, r >>=1) { if(l&1) vl = funcNode(vl,node[l++]); if(r&1) vr = funcNode(vr,node[--r]); } return funcNode(vl,vr); } void print(){ cout << "{ " << get(0,1); for(int i = 1; i < length; ++i) cout << ", " << get(i,i+1); cout << " }" << endl; // for(int i = 1,j = 1; i < 2*length; ++i) { // cout << node[i] << " "; // if(i==((1<<j)-1) && ++j) cout << endl; // } } }; //GCD //verify https://atcoder.jp/contests/abc125/tasks/abc125_c //SUM //verify https://atcoder.jp/contests/arc077/tasks/arc077_c //MIN //verify https://atcoder.jp/contests/bitflyer2018-final-open/tasks/bitflyer2018_final_c //MAX //verify https://atcoder.jp/contests/wupc2019/tasks/wupc2019_d // //一点加算 + 区間総和 // function<ll(ll,ll)> funcNode = [&](ll a,ll b){return a+b;}; // function<ll(ll,ll)> funcMerge = [&](ll a,ll b){return a+b;}; // //一点更新 + 区間GCD // function<ll(ll,ll)> funcNode = GCD; // function<ll(ll,ll)> funcMerge = [&](ll a,ll b){return b;}; // //一点更新 + 区間最小 // function<ll(ll,ll)> funcNode = [&](ll a,ll b){return min(a,b);}; // function<ll(ll,ll)> funcMerge = [&](ll a,ll b){return b;}; int main() { int Q; cin >> Q; assert(1<=Q&&Q<=20); while(Q--){ int A,B,C; cin >> A >> B >> C; if(C==1){ cout << -1 << endl; continue; } if(A>=100000){ cout << -1 << endl; continue; } // //一点加算 + 区間総和 function<int(int,int)> funcNode = [&](int a,int b){return min(a,b);}; function<int(int,int)> funcMerge = [&](int a,int b){return b;}; SegmentTree<int> dp(A+1,A+2,funcNode,funcMerge); dp.update(0,0); for(int i = 1; i <= A; ++i) { int D = dp.get(i,i+1); int E = (i%C?A+2:dp.get(i/C,i/C+1)); int F = dp.get(max(i-C+1,0),i); dp.update(i,min({D,E,F})+1); } cout << (ll)dp.get(A,A+1)*(ll)B << endl; } return 0; }