結果

問題 No.704 ゴミ拾い Medium
ユーザー firiexpfiriexp
提出日時 2020-04-01 15:09:21
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
CE  
(最新)
AC  
(最初)
実行時間 -
コード長 1,569 bytes
コンパイル時間 710 ms
コンパイル使用メモリ 89,800 KB
最終ジャッジ日時 2024-04-27 03:07:18
合計ジャッジ時間 2,233 ms
ジャッジサーバーID
(参考情報)
judge2 / judge3
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。

コンパイルメッセージ
main.cpp:18:39: error: '::numeric_limits' has not been declared
   18 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
      |                                       ^~~~~~~~~~~~~~
main.cpp:18:55: error: expected primary-expression before '>' token
   18 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
      |                                                       ^
main.cpp:18:61: error: no matching function for call to 'max()'
   18 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
      |                                                        ~~~~~^~
In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/string:50,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/locale_classes.h:40,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/ios_base.h:41,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ios:42,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:38,
                 from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/iostream:39,
                 from main.cpp:1:
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
main.cpp:18:61: note:   candidate expects 2 arguments, 0 provided
   18 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;
      |                                                        ~~~~~^~
/home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:300:5: note: candidate: 'templat

ソースコード

diff #

#include <iostream>
#include <algorithm>
#include <iomanip>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <numeric>
#include <bitset>
#include <cmath>

static const int MOD = 1000000007;
using ll = long long;
using u32 = unsigned;
using u64 = unsigned long long;
using namespace std;

template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208;

int main() {
    int n;
    cin >> n;
    vector<ll> a(n), x(n), y(n);
    for (auto &&i : a) scanf("%lld", &i);
    for (auto &&j : x) scanf("%lld", &j);
    for (auto &&k : y) scanf("%lld", &k);
    vector<ll> dp(n+1);
    auto cost = [&](int i, int j){
        if(i > j || n < j) return INF<ll>;
        return dp[i]+abs(x[i]-a[j-1])+y[i];
    };
    deque<pair<int, int>> Q;
    Q.emplace_back(0, 1);
    for (int j = 1; j <= n; ++j) {
        int l = Q.front().first;
        if(cost(j-1, j) <= cost(l, j)){
            dp[j] = cost(j-1, j);
            Q.clear();
            Q.emplace_back(j-1, j+1);
        }else {
            dp[j] = cost(l, j);
            while(cost(j-1, Q.back().second) <= cost(Q.back().first, Q.back().second)) Q.pop_back();
            int ng = j-1, ok = n+1;
            while(ok-ng > 1){
                int mid = (ok+ng)/2;
                if(cost(j-1, mid) <= cost(Q.back().first, mid)) ok = mid;
                else ng = mid;
            }
            Q.emplace_back(j-1, ok);
            if(Q.size() >= 2 && j+1 == Q[1].second) Q.pop_front();
            else Q.front().second++;
        }
    }
    cout << dp.back() << "\n";
    return 0;
}
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