結果
問題 | No.2167 Fibonacci Knapsack |
ユーザー | tko919 |
提出日時 | 2022-12-19 23:55:56 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 5 ms / 2,000 ms |
コード長 | 5,378 bytes |
コンパイル時間 | 2,586 ms |
コンパイル使用メモリ | 219,628 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-04-29 02:35:19 |
合計ジャッジ時間 | 3,974 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 5 ms
6,944 KB |
testcase_04 | AC | 4 ms
6,940 KB |
testcase_05 | AC | 4 ms
6,944 KB |
testcase_06 | AC | 5 ms
6,940 KB |
testcase_07 | AC | 5 ms
6,944 KB |
testcase_08 | AC | 5 ms
6,944 KB |
testcase_09 | AC | 5 ms
6,940 KB |
testcase_10 | AC | 4 ms
6,944 KB |
testcase_11 | AC | 4 ms
6,944 KB |
testcase_12 | AC | 5 ms
6,940 KB |
testcase_13 | AC | 4 ms
6,944 KB |
testcase_14 | AC | 4 ms
6,940 KB |
testcase_15 | AC | 4 ms
6,944 KB |
testcase_16 | AC | 5 ms
6,944 KB |
testcase_17 | AC | 5 ms
6,940 KB |
testcase_18 | AC | 4 ms
6,944 KB |
testcase_19 | AC | 5 ms
6,944 KB |
testcase_20 | AC | 4 ms
6,940 KB |
testcase_21 | AC | 4 ms
6,940 KB |
testcase_22 | AC | 5 ms
6,940 KB |
testcase_23 | AC | 4 ms
6,940 KB |
ソースコード
#line 1 "library/Template/template.hpp" #include <bits/stdc++.h> using namespace std; #define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define ALL(v) (v).begin(),(v).end() using ll=long long int; const int inf = 0x3fffffff; const ll INF = 0x1fffffffffffffff; template<typename T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;} template<typename T>inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;} #line 2 "library/Utility/fastio.hpp" #include <unistd.h> class FastIO{ static constexpr int L=1<<16; char rdbuf[L]; int rdLeft=0,rdRight=0; inline void reload(){ int len=rdRight-rdLeft; memmove(rdbuf,rdbuf+rdLeft,len); rdLeft=0,rdRight=len; rdRight+=fread(rdbuf+len,1,L-len,stdin); } inline bool skip(){ for(;;){ while(rdLeft!=rdRight and rdbuf[rdLeft]<=' ')rdLeft++; if(rdLeft==rdRight){ reload(); if(rdLeft==rdRight)return false; } else break; } return true; } template<typename T,enable_if_t<is_integral<T>::value,int> =0>inline bool _read(T& x){ if(!skip())return false; if(rdLeft+20>=rdRight)reload(); bool neg=false; if(rdbuf[rdLeft]=='-'){ neg=true; rdLeft++; } x=0; while(rdbuf[rdLeft]>='0' and rdLeft<rdRight){ x=x*10+(neg?-(rdbuf[rdLeft++]^48):(rdbuf[rdLeft++]^48)); } return true; } template<typename T,enable_if_t<is_floating_point<T>::value,int> =0>inline bool _read(T& x){ if(!skip())return false; if(rdLeft+20>=rdRight)reload(); bool neg=false; if(rdbuf[rdLeft]=='-'){ neg=true; rdLeft++; } x=0; while(rdbuf[rdLeft]>='0' and rdbuf[rdLeft]<='9' and rdLeft<rdRight){ x=x*10+(rdbuf[rdLeft++]^48); } if(rdbuf[rdLeft]!='.')return true; rdLeft++; T base=.1; while(rdbuf[rdLeft]>='0' and rdbuf[rdLeft]<='9' and rdLeft<rdRight){ x+=base*(rdbuf[rdLeft++]^48); base*=.1; } if(neg)x=-x; return true; } inline bool _read(char& x){ if(!skip())return false; if(rdLeft+1>=rdRight)reload(); x=rdbuf[rdLeft++]; return true; } inline bool _read(string& x){ if(!skip())return false; for(;;){ int pos=rdLeft; while(pos<rdRight and rdbuf[pos]>' ')pos++; x.append(rdbuf+rdLeft,pos-rdLeft); if(rdLeft==pos)break; rdLeft=pos; if(rdLeft==rdRight)reload(); else break; } return true; } template<typename T>inline bool _read(vector<T>& v){ for(auto& x:v){ if(!_read(x))return false; } return true; } char wtbuf[L],tmp[50]; int wtRight=0; inline void flush(){ fwrite(wtbuf,1,wtRight,stdout); wtRight=0; } inline void _write(const char& x){ if(wtRight>L-32)flush(); wtbuf[wtRight++]=x; } inline void _write(const string& x){ for(auto& c:x)_write(c); } template<typename T,enable_if_t<is_integral<T>::value,int> =0>inline void _write(T x){ if(wtRight>L-32)flush(); if(x==0){ _write('0'); return; } else if(x<0){ _write('-'); if (__builtin_expect(x == std::numeric_limits<T>::min(), 0)) { switch (sizeof(x)) { case 2: _write("32768"); return; case 4: _write("2147483648"); return; case 8: _write("9223372036854775808"); return; } } x=-x; } int pos=0; while(x!=0){ tmp[pos++]=char((x%10)|48); x/=10; } rep(i,0,pos)wtbuf[wtRight+i]=tmp[pos-1-i]; wtRight+=pos; } template<typename T>inline void _write(const vector<T>& v){ rep(i,0,v.size()){ if(i)_write(' '); _write(v[i]); } } public: FastIO(){} ~FastIO(){flush();} inline void read(){} template <typename Head, typename... Tail>inline void read(Head& head,Tail&... tail){ assert(_read(head)); read(tail...); } template<bool ln=true,bool space=false>inline void write(){if(ln)_write('\n');} template <bool ln=true,bool space=false,typename Head, typename... Tail>inline void write(const Head& head,const Tail&... tail){ if(space)_write(' '); _write(head); write<ln,true>(tail...); } }; /** * @brief Fast IO */ #line 3 "sol.cpp" FastIO io; void solve(int _rot){ // io.write<false>("Case #"+to_string(_rot)+": "); int n; ll W; io.read(n,W); vector<ll> a(n),f(n+2); io.read(a); f[0]=1,f[1]=2; rep(i,2,n)f[i]=f[i-1]+f[i-2]; vector dp(n+1,map<ll,ll>()); dp[n][0]=W; for(int i=n-1;i>=0;i--){ for(auto& [val,rem]:dp[i+1]){ chmax(dp[i][val],rem); if(rem-a[i]>=0)chmax(dp[i][val+f[i]],rem-a[i]); } while(dp[i].size()>3)dp[i].erase(dp[i].begin()); } ll ret=dp[0].rbegin()->first; io.write(ret); } int main(){ int t; io.read(t); rep(rot,0,t)solve(rot+1); return 0; }