結果
問題 | No.1330 Multiply or Divide |
ユーザー | rniya |
提出日時 | 2021-01-08 23:53:12 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 55 ms / 2,000 ms |
コード長 | 4,175 bytes |
コンパイル時間 | 2,072 ms |
コンパイル使用メモリ | 205,708 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-16 19:29:53 |
合計ジャッジ時間 | 4,185 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 | 2 ms
5,248 KB |
testcase_01 | AC | 22 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 | 16 ms
5,248 KB |
testcase_07 | AC | 55 ms
5,248 KB |
testcase_08 | AC | 30 ms
5,248 KB |
testcase_09 | AC | 32 ms
5,248 KB |
testcase_10 | AC | 30 ms
5,248 KB |
testcase_11 | AC | 29 ms
5,248 KB |
testcase_12 | AC | 29 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 | 26 ms
5,248 KB |
testcase_19 | AC | 27 ms
5,248 KB |
testcase_20 | AC | 26 ms
5,248 KB |
testcase_21 | AC | 27 ms
5,248 KB |
testcase_22 | AC | 26 ms
5,248 KB |
testcase_23 | AC | 28 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | AC | 2 ms
5,248 KB |
testcase_26 | AC | 2 ms
5,248 KB |
testcase_27 | AC | 2 ms
5,248 KB |
testcase_28 | AC | 2 ms
5,248 KB |
testcase_29 | AC | 2 ms
5,248 KB |
testcase_30 | AC | 2 ms
5,248 KB |
testcase_31 | AC | 2 ms
5,248 KB |
testcase_32 | AC | 2 ms
5,248 KB |
testcase_33 | AC | 2 ms
5,248 KB |
testcase_34 | AC | 21 ms
5,248 KB |
testcase_35 | AC | 7 ms
5,248 KB |
testcase_36 | AC | 18 ms
5,248 KB |
testcase_37 | AC | 16 ms
5,248 KB |
testcase_38 | AC | 11 ms
5,248 KB |
testcase_39 | AC | 8 ms
5,248 KB |
testcase_40 | AC | 9 ms
5,248 KB |
testcase_41 | AC | 6 ms
5,248 KB |
testcase_42 | AC | 15 ms
5,248 KB |
testcase_43 | AC | 18 ms
5,248 KB |
testcase_44 | AC | 15 ms
5,248 KB |
testcase_45 | AC | 16 ms
5,248 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; const long long MOD=1000000007; // const long long MOD=998244353; #define LOCAL #pragma region Macros typedef long long ll; typedef __int128_t i128; typedef unsigned int uint; typedef unsigned long long ull; #define ALL(x) (x).begin(),(x).end() const int INF=1e9; const long long IINF=1e18; const int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1}; const char dir[4]={'D','R','U','L'}; template<typename T> istream &operator>>(istream &is,vector<T> &v){ for (T &x:v) is >> x; return is; } template<typename T> ostream &operator<<(ostream &os,const vector<T> &v){ for (int i=0;i<v.size();++i){ os << v[i] << (i+1==v.size()?"": " "); } return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const pair<T,U> &p){ os << '(' << p.first << ',' << p.second << ')'; return os; } template<typename T,typename U,typename V> ostream&operator<<(ostream &os,const tuple<T,U,V> &t){ os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ')'; return os; } template<typename T,typename U,typename V,typename W> ostream&operator<<(ostream &os,const tuple<T,U,V,W> &t){ os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ',' << get<3>(t) << ')'; return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const map<T,U> &m){ os << '{'; for (auto itr=m.begin();itr!=m.end();){ os << '(' << itr->first << ',' << itr->second << ')'; if (++itr!=m.end()) os << ','; } os << '}'; return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const unordered_map<T,U> &m){ os << '{'; for (auto itr=m.begin();itr!=m.end();){ os << '(' << itr->first << ',' << itr->second << ')'; if (++itr!=m.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const set<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();){ os << *itr; if (++itr!=s.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const multiset<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();){ os << *itr; if (++itr!=s.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const unordered_set<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();){ os << *itr; if (++itr!=s.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const deque<T> &v){ for (int i=0;i<v.size();++i){ os << v[i] << (i+1==v.size()?"": " "); } return os; } void debug_out(){cerr << '\n';} template<class Head,class... Tail> void debug_out(Head&& head,Tail&&... tail){ cerr << head; if (sizeof...(Tail)>0) cerr << ", "; debug_out(move(tail)...); } #ifdef LOCAL #define debug(...) cerr << " ";\ cerr << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << '\n';\ cerr << " ";\ debug_out(__VA_ARGS__) #else #define debug(...) 42 #endif template<typename T> T gcd(T x,T y){return y!=0?gcd(y,x%y):x;} template<typename T> T lcm(T x,T y){return x/gcd(x,y)*y;} template<class T1,class T2> inline bool chmin(T1 &a,T2 b){ if (a>b){a=b; return true;} return false; } template<class T1,class T2> inline bool chmax(T1 &a,T2 b){ if (a<b){a=b; return true;} return false; } #pragma endregion const int MAX_LOG=40; int main(){ cin.tie(0); ios::sync_with_stdio(false); int N,M,P; cin >> N >> M >> P; vector<int> A(N); cin >> A; int ans=INF; vector<int> Max(MAX_LOG,-1); for (int x:A){ int cnt=0; while (x%P==0) ++cnt,x/=P; chmax(Max[cnt],x); } int maxi=*max_element(ALL(A)); vector<ll> dp(MAX_LOG*MAX_LOG,0); dp[0]=1; for (int i=0;i<MAX_LOG*MAX_LOG;++i){ if (dp[i]*maxi>M){ ans=min(ans,i+1); continue; } for (int j=0;j<MAX_LOG&&i+j+1<MAX_LOG*MAX_LOG;++j){ dp[i+j+1]=max(dp[i+j+1],dp[i]*Max[j]); } } cout << (ans==INF?-1:ans) << '\n'; }