結果
問題 | No.798 コレクション |
ユーザー | haruki_K |
提出日時 | 2020-05-30 16:45:44 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 36 ms / 2,000 ms |
コード長 | 5,413 bytes |
コンパイル時間 | 1,921 ms |
コンパイル使用メモリ | 177,024 KB |
実行使用メモリ | 34,688 KB |
最終ジャッジ日時 | 2024-11-07 19:52:46 |
合計ジャッジ時間 | 3,250 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
5,248 KB |
testcase_01 | AC | 2 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 | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 17 ms
16,896 KB |
testcase_14 | AC | 27 ms
25,344 KB |
testcase_15 | AC | 23 ms
22,272 KB |
testcase_16 | AC | 12 ms
11,904 KB |
testcase_17 | AC | 18 ms
17,536 KB |
testcase_18 | AC | 34 ms
32,640 KB |
testcase_19 | AC | 28 ms
26,624 KB |
testcase_20 | AC | 12 ms
12,160 KB |
testcase_21 | AC | 11 ms
11,008 KB |
testcase_22 | AC | 23 ms
22,272 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 36 ms
34,560 KB |
testcase_25 | AC | 35 ms
34,688 KB |
ソースコード
// >>> TEMPLATES #include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using i32 = int32_t; using i64 = int64_t; #define int ll #define double ld #define rep(i,n) for (int i = 0; i < (int)(n); i++) #define rep1(i,n) for (int i = 1; i <= (int)(n); i++) #define repR(i,n) for (int i = (int)(n)-1; i >= 0; i--) #define rep1R(i,n) for (int i = (int)(n); i >= 1; i--) #define loop(i,a,B) for (int i = a; i B; i++) #define loopR(i,a,B) for (int i = a; i B; i--) #define all(x) (x).begin(), (x).end() #define allR(x) (x).rbegin(), (x).rend() #define pb push_back #define eb emplace_back #define mp make_pair #define fst first #define snd second auto constexpr INF32 = numeric_limits<int32_t>::max()/2-1; auto constexpr INF64 = numeric_limits<int64_t>::max()/2-1; auto constexpr INF = numeric_limits<int>::max()/2-1; #ifdef LOCAL #include "debug.hpp" #define dump(...) cerr << "[" << setw(3) << __LINE__ << ":" << __FUNCTION__ << "] ", dump_impl(#__VA_ARGS__, __VA_ARGS__) #define say(x) cerr << "[" << __LINE__ << ":" << __FUNCTION__ << "] " << x << endl #define debug if (1) #else #define dump(...) (void)(0) #define say(x) (void)(0) #define debug if (0) #endif template <class T> using pque_max = priority_queue<T>; template <class T> using pque_min = priority_queue<T, vector<T>, greater<T> >; template <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type> ostream& operator<<(ostream& os, T const& v) { bool f = true; for (auto const& x : v) os << (f ? "" : " ") << x, f = false; return os; } template <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type> istream& operator>>(istream& is, T &v) { for (auto& x : v) is >> x; return is; } template <class T, class S> istream& operator>>(istream& is, pair<T,S>& p) { return is >> p.first >> p.second; } struct IOSetup { IOSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } iosetup; template <class F> struct FixPoint : private F { constexpr FixPoint(F&& f) : F(forward<F>(f)) {} template <class... T> constexpr auto operator()(T&&... x) const { return F::operator()(*this, forward<T>(x)...); } }; struct MakeFixPoint { template <class F> constexpr auto operator|(F&& f) const { return FixPoint<F>(forward<F>(f)); } }; #define MFP MakeFixPoint()| #define def(name, ...) auto name = MFP [&](auto &&name, __VA_ARGS__) template <class T, size_t d> struct vec_impl { using type = vector<typename vec_impl<T,d-1>::type>; template <class... U> static type make_v(size_t n, U&&... x) { return type(n, vec_impl<T,d-1>::make_v(forward<U>(x)...)); } }; template <class T> struct vec_impl<T,0> { using type = T; static type make_v(T const& x = {}) { return x; } }; template <class T, size_t d = 1> using vec = typename vec_impl<T,d>::type; template <class T, size_t d = 1, class... Args> auto make_v(Args&&... args) { return vec_impl<T,d>::make_v(forward<Args>(args)...); } template <class T> void quit(T const& x) { cout << x << endl; exit(0); } template <class T, class U> constexpr bool chmin(T& x, U const& y) { if (x > y) { x = y; return true; } return false; } template <class T, class U> constexpr bool chmax(T& x, U const& y) { if (x < y) { x = y; return true; } return false; } template <class It> constexpr auto sumof(It b, It e) { return accumulate(b,e,typename iterator_traits<It>::value_type{}); } template <class T> int sz(T const& x) { return x.size(); } template <class C, class T> int lbd(C const& v, T const& x) { return lower_bound(v.begin(), v.end(), x)-v.begin(); } template <class C, class T> int ubd(C const& v, T const& x) { return upper_bound(v.begin(), v.end(), x)-v.begin(); } template <class C, class F> int ppt(C const& v, F f) { return partition_point(v.begin(), v.end(), f)-v.begin(); } // <<< // >>> reord void reord_impl(vector<int> const&) { } template <class T, class... Args> void reord_impl(vector<int> const& idx, vector<T> &v, Args&&... args) { vector<T> t(v.size()); rep (i,v.size()) t[i] = v[idx[i]]; swap(v,t); reord_impl(idx, forward<Args>(args)...); } template <class Comp, class T, class... Args, class = decltype(declval<Comp>()(0,0))> void reord(Comp comp, vector<T> &v, Args&&... args) { vector<int> idx(v.size()); iota(idx.begin(), idx.end(), 0); sort(idx.begin(), idx.end(), comp); reord_impl(idx, v, args...); } template <class T, class... Args> void reord(vector<T> &v, Args&&... args) { vector<int> idx(v.size()); iota(idx.begin(), idx.end(), 0); sort(idx.begin(), idx.end(), [&](int i, int j) { return v[i] < v[j]; }); reord_impl(idx, v, args...); } template <class T, class... Args> void reordR(vector<T> &v, Args&&... args) { vector<int> idx(v.size()); iota(idx.begin(), idx.end(), 0); sort(idx.begin(), idx.end(), [&](int i, int j) { return v[i] > v[j]; }); reord_impl(idx, v, args...); } // <<< int32_t main() { int n; cin >> n; vector<int> a(n),b(n); rep (i,n) cin >> a[i] >> b[i]; reordR(b,a); auto dp = make_v<int,2>(n+1,n+1,INF); dp[0][0] = 0; rep (i,n) rep (j,n+1) { chmin(dp[i+1][j], dp[i][j]); if (j+1 < n+1) chmin(dp[i+1][j+1], dp[i][j] + a[i]+j*b[i]); } dump(as_mat(dp)); int mi = INF; rep (i,n+1) if (i >= 2*(n-i)) chmin(mi,dp[n][i]); cout << mi << endl; }