結果
問題 | No.838 Noelちゃんと星々3 |
ユーザー | cutmdo |
提出日時 | 2019-10-25 18:03:47 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 26 ms / 2,000 ms |
コード長 | 3,211 bytes |
コンパイル時間 | 1,647 ms |
コンパイル使用メモリ | 126,500 KB |
最終ジャッジ日時 | 2025-01-08 00:58:00 |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 26 |
ソースコード
#include <iostream> #include <iomanip> #include <string> #include <cmath> #include <algorithm> #include <vector> #include <set> #include <map> #include <unordered_map> #include <unordered_set> #include <list> #include <stack> #include <queue> #include <bitset> #include <numeric> #include <cassert> #include <random> #ifdef DEBUG #include "./Lib/debug.hpp" #include "./Lib/Timer.h" #else #define dump(...) template<class T>inline auto d_val(T a, T b) { return a; } #endif /* (=^o^=) */ #define int ll /* macro */ #define FOR(i, b, e) for(ll i = (ll)(b); i < (ll)(e); ++i) #define RFOR(i, b, e) for(ll i = (ll)(e-1); i >= (ll)(b); --i) #define REP(i, n) FOR(i, 0, n) #define RREP(i, n) RFOR(i, 0, n) #define REPC(x,c) for(const auto& x:(c)) #define REPI2(it,b,e) for(auto it = (b); it != (e); ++it) #define REPI(it,c) REPI2(it, (c).begin(), (c).end()) #define RREPI(it,c) REPI2(it, (c).rbegin(), (c).rend()) #define REPI_ERACE2(it, b, e) for(auto it = (b); it != (e);) #define REPI_ERACE(it, c) REPI_ERACE2(it, (c).begin(), (c).end()) #define ALL(x) (x).begin(),(x).end() #define cauto const auto& /* macro func */ #define SORT(x) do{sort(ALL(x));}while(false) #define RSORT(x) do{sort((x).rbegin(),(x).rend());}while(false) #define UNIQUE(v) do{v.erase( unique(v.begin(), v.end()), v.end() );}while(false) #define MAX(x,y) do{x = std::max(x,y);}while(false) #define MIN(x,y) do{x = std::min(x,y);}while(false) #define BR do{cout<<"\n";}while(false) /* type define */ using ll = long long; using PAIR = std::pair<ll, ll>; using VS = std::vector<std::string>; using VL = std::vector<long long>; using VVL = std::vector<VL>; using VVVL = std::vector<VVL>; using VD = std::vector<double>; template<class T> using V = std::vector<T>; /* using std */ using std::cout; constexpr char endl = '\n'; using std::cin; using std::sort; using std::pair; using std::string; using std::stack; using std::queue; using std::vector; using std::list; using std::map; using std::unordered_map; using std::multimap; using std::unordered_multimap; using std::set; using std::unordered_set; using std::unordered_multiset; using std::multiset; using std::bitset; using std::priority_queue; /* constant value */ constexpr ll MOD = 1000000007; //constexpr ll MOD = 998244353; /* Initial processing */ struct Preprocessing { Preprocessing() { std::cin.tie(0); std::ios::sync_with_stdio(0); }; }_Preprocessing; /* Remove the source of the bug */ signed pow(signed, signed) { assert(false); return -1; } /* define hash */ namespace std { template <> class hash<std::pair<ll, ll>> { public: size_t operator()(const std::pair<ll, ll>& x) const { return hash<ll>()(1000000000 * x.first + x.second); } }; } /* input */ template<class T> std::istream& operator >> (std::istream& is, vector<T>& vec) { for (T& x : vec) is >> x; return is; } //============================================================================================= signed main() { ll n; cin >> n; VL v(n); cin >> v; SORT(v); VL dp(n); dp[0] = 1e17; if (n > 1) { dp[1] = v[1] - v[0]; } if (n > 2) { dp[2] = v[2] - v[0]; } FOR(i, 3, n) { dp[i] = std::min(dp[i - 3] + v[i] - v[i - 2], dp[i - 2] + v[i] - v[i - 1]); } cout << dp[n - 1] << endl; }