結果

問題 No.738 平らな農地
ユーザー たこしたこし
提出日時 2018-09-28 23:55:40
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 1,707 ms / 2,000 ms
コード長 4,997 bytes
コンパイル時間 2,525 ms
コンパイル使用メモリ 227,712 KB
実行使用メモリ 254,924 KB
最終ジャッジ日時 2024-10-12 07:34:09
合計ジャッジ時間 59,485 ms
ジャッジサーバーID
(参考情報)
judge4 / judge5
このコードへのチャレンジ
(要ログイン)

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 28 ms
7,808 KB
testcase_06 AC 33 ms
8,576 KB
testcase_07 AC 25 ms
8,576 KB
testcase_08 AC 13 ms
5,888 KB
testcase_09 AC 7 ms
5,248 KB
testcase_10 AC 4 ms
5,248 KB
testcase_11 AC 13 ms
6,144 KB
testcase_12 AC 8 ms
5,248 KB
testcase_13 AC 31 ms
7,424 KB
testcase_14 AC 10 ms
5,248 KB
testcase_15 AC 877 ms
100,812 KB
testcase_16 AC 906 ms
102,352 KB
testcase_17 AC 1,058 ms
101,408 KB
testcase_18 AC 1,021 ms
99,792 KB
testcase_19 AC 1,243 ms
106,704 KB
testcase_20 AC 910 ms
102,864 KB
testcase_21 AC 1,163 ms
107,348 KB
testcase_22 AC 947 ms
102,992 KB
testcase_23 AC 1,199 ms
104,272 KB
testcase_24 AC 1,170 ms
102,736 KB
testcase_25 AC 10 ms
5,760 KB
testcase_26 AC 9 ms
5,504 KB
testcase_27 AC 10 ms
5,632 KB
testcase_28 AC 10 ms
5,632 KB
testcase_29 AC 10 ms
5,632 KB
testcase_30 AC 10 ms
5,632 KB
testcase_31 AC 9 ms
5,504 KB
testcase_32 AC 9 ms
5,632 KB
testcase_33 AC 10 ms
5,504 KB
testcase_34 AC 10 ms
5,504 KB
testcase_35 AC 9 ms
5,504 KB
testcase_36 AC 9 ms
5,632 KB
testcase_37 AC 9 ms
5,504 KB
testcase_38 AC 10 ms
5,504 KB
testcase_39 AC 10 ms
5,632 KB
testcase_40 AC 10 ms
5,632 KB
testcase_41 AC 10 ms
5,504 KB
testcase_42 AC 10 ms
5,632 KB
testcase_43 AC 9 ms
5,632 KB
testcase_44 AC 9 ms
5,632 KB
testcase_45 AC 968 ms
118,992 KB
testcase_46 AC 890 ms
110,412 KB
testcase_47 AC 910 ms
115,916 KB
testcase_48 AC 791 ms
112,592 KB
testcase_49 AC 786 ms
111,956 KB
testcase_50 AC 796 ms
115,788 KB
testcase_51 AC 943 ms
116,688 KB
testcase_52 AC 852 ms
111,820 KB
testcase_53 AC 879 ms
114,128 KB
testcase_54 AC 948 ms
117,200 KB
testcase_55 AC 972 ms
117,328 KB
testcase_56 AC 931 ms
115,408 KB
testcase_57 AC 835 ms
109,516 KB
testcase_58 AC 882 ms
114,768 KB
testcase_59 AC 883 ms
119,372 KB
testcase_60 AC 869 ms
118,736 KB
testcase_61 AC 868 ms
117,708 KB
testcase_62 AC 859 ms
110,032 KB
testcase_63 AC 997 ms
119,888 KB
testcase_64 AC 926 ms
117,456 KB
testcase_65 AC 1,361 ms
102,480 KB
testcase_66 AC 1,435 ms
105,676 KB
testcase_67 AC 1,002 ms
233,388 KB
testcase_68 AC 993 ms
239,956 KB
testcase_69 AC 1,300 ms
243,664 KB
testcase_70 AC 1,139 ms
251,476 KB
testcase_71 AC 670 ms
5,248 KB
testcase_72 AC 535 ms
5,248 KB
testcase_73 AC 459 ms
5,248 KB
testcase_74 AC 638 ms
5,248 KB
testcase_75 AC 1,252 ms
234,832 KB
testcase_76 AC 1,106 ms
243,024 KB
testcase_77 AC 1,320 ms
234,572 KB
testcase_78 AC 1,449 ms
252,884 KB
testcase_79 AC 1,288 ms
254,924 KB
testcase_80 AC 1,060 ms
245,328 KB
testcase_81 AC 1,276 ms
237,648 KB
testcase_82 AC 1,317 ms
246,992 KB
testcase_83 AC 627 ms
5,248 KB
testcase_84 AC 562 ms
5,248 KB
testcase_85 AC 1,707 ms
171,856 KB
testcase_86 AC 1,575 ms
159,700 KB
testcase_87 AC 656 ms
166,096 KB
testcase_88 AC 627 ms
160,168 KB
testcase_89 AC 2 ms
5,248 KB
testcase_90 AC 2 ms
5,248 KB
testcase_91 AC 2 ms
5,248 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include <bits/stdc++.h>
#include <cstdio>
#include <string>

using namespace std;

#define INF 100000000
#define YJ 1145141919
#define INF_INT_MAX 2147483647
#define INF_LL_MAX 9223372036854775807
#define EPS 1e-10
#define MOD 1000000007
#define Pi acos(-1)
#define LL long long
#define ULL unsigned long long
#define LD long double

class Node {
public:
    Node(unsigned long long int lIndex = startLeftIndex, unsigned long long int rIndex = endRightIndex, LL v = unitValue) : leftIndex(lIndex), rightIndex(rIndex), value(v) {

    }

    Node operator + (const Node& monoid) const {
        return Node(startLeftIndex, endRightIndex, this->getValue() + monoid.getValue());
    }

    static Node unit() {
        return Node(unitValue);
    }

    void setValue(LL l) {
        this->value = l;
    }

    LL getValue() const {
        return this->value;
    }

    
    
    
    

    pair<LL, LL> getIndexRange() {
        return make_pair(leftIndex, rightIndex);
    }

    bool isLeafNode() {
        auto it = getIndexRange();
        return it.second - it.first <= 1;
    }

    //値の設定
    void setValue(unsigned long long int index, LL value) {
        auto indexRange = getIndexRange();
        unsigned long long int leftIndex = indexRange.first, midIndex = (indexRange.first + indexRange.second)/2, rightIndex = indexRange.second;
        if(isLeafNode()) {
            if(leftIndex <= index && index < rightIndex) {
                setValue(value);
            } 
            return;
        }

        if(!left_child) {
            left_child = unique_ptr<Node>(new Node(leftIndex, midIndex));
        }
        if(!right_child) {
            right_child = unique_ptr<Node>(new Node(midIndex, rightIndex));
        }

        if(leftIndex <= index && index < midIndex) {
            left_child->setValue(index, value);
        } else {
            right_child->setValue(index, value);
        }

        //戻るときに値を更新していく
        Node lNode, rNode; lNode.setValue(left_child->getValue()); rNode.setValue(right_child->getValue());
        setValue((lNode + rNode).getValue());
    }

    LL query(unsigned long long int l, unsigned long long int r) {
        auto indexRange = getIndexRange();
        if(l <= indexRange.first && indexRange.second <= r) {
            return getValue();
        } else if(indexRange.second <= l || r <= indexRange.first) {
            return Node::unit().getValue();
        } else {
            LL ll = Node::unit().getValue(), rr = Node::unit().getValue();
            if(left_child) {
                ll = left_child->query(l, r);
            }
            if(right_child) {
                rr = right_child->query(l, r);
            }
            Node lNode, rNode;
            lNode.setValue(ll); rNode.setValue(rr);
            return (lNode + rNode).getValue();
        }
    }

private:
    LL value;
    static const LL unitValue = 0;
    static const LL startLeftIndex = 0, endRightIndex = 1145141919;

    unique_ptr<Node> left_child, right_child;
    unsigned long long int leftIndex, rightIndex;
};

template <class T>
class SegmentTree {
public:
    SegmentTree() {
        root = unique_ptr<Node>(new Node());
    }

    void setValue(unsigned long long int index, LL value) {
        root->setValue(index, value);
    }

    LL query(unsigned long long int l, unsigned long long int r) {
        return root->query(l, r);
    }
private:
    unique_ptr<T> root;
};

#define int long long

SegmentTree<Node> segmentTree;
SegmentTree<Node> segmentTreeCount;

const int MAX_N = 100005;
int N, K;
int A[MAX_N];

signed main()
{
    cin >> N >> K;
    vector<int> avec;
    for(int i = 0; i < N; i++) {
        cin >> A[i];
        avec.push_back(A[i]);
    }

    sort(begin(avec), end(avec));

    int sum = 0;
    int ans = 1145141919810364;
    for(int i = 0; i < N; i++) {
        sum += A[i];
        segmentTree.setValue(A[i], segmentTree.query(A[i], A[i]+1) + A[i]);
        segmentTreeCount.setValue(A[i], segmentTreeCount.query(A[i], A[i]+1)+1);

        if(i >= K-1) {
            int midL = -1, midR = avec.size();
            while(midR-midL > 1) {
                int mid = (midR + midL)/2;
                if(segmentTreeCount.query(0, avec[mid]+1) <= (K-1)/2) {
                    midL = mid;
                } else {
                    midR = mid;
                }
            }
            int mid = avec[midR];

            int L = 0, R = 0;
            int lCount = segmentTreeCount.query(0, mid);
            int rCount = segmentTreeCount.query(mid+1, 1e9+7);
            L = mid*lCount - segmentTree.query(0, mid);
            R = segmentTree.query(mid+1, 1e9+7) - mid*rCount;

            ans = min(ans, L+R);

            sum -= A[i-K+1];

            int AA = A[i-K+1];
            segmentTree.setValue(AA, segmentTree.query(AA,AA+1) - AA);
            segmentTreeCount.setValue(AA, segmentTreeCount.query(AA, AA+1)-1);
        }
    }

    cout << ans << endl;

    return 0;
}
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