#288173 (C++17) No.738 平らな農地

提出ソース

結果

問題	No.738 平らな農地
ユーザー	たこし
提出日時	2018-09-28 23:55:40
言語	C++17 (gcc 12.2.0 + boost 1.81.0)
結果	AC
実行時間	1,796 ms / 2,000 ms
コード長	4,997 bytes
コンパイル時間	2,488 ms
コンパイル使用メモリ	224,688 KB
実行使用メモリ	254,964 KB
最終ジャッジ日時	2023-08-02 12:18:42
合計ジャッジ時間	58,831 ms
ジャッジサーバーID （参考情報）	judge12 / judge11

このコードへのチャレンジ（β）

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	1 ms 4,376 KB
testcase_01	AC	1 ms 4,376 KB
testcase_02	AC	2 ms 4,380 KB
testcase_03	AC	1 ms 4,380 KB
testcase_04	AC	1 ms 4,376 KB
testcase_05	AC	26 ms 7,768 KB
testcase_06	AC	29 ms 8,372 KB
testcase_07	AC	24 ms 8,676 KB
testcase_08	AC	12 ms 5,788 KB
testcase_09	AC	7 ms 4,648 KB
testcase_10	AC	3 ms 4,380 KB
testcase_11	AC	12 ms 5,936 KB
testcase_12	AC	7 ms 4,896 KB
testcase_13	AC	23 ms 7,408 KB
testcase_14	AC	9 ms 4,964 KB
testcase_15	AC	865 ms 100,364 KB
testcase_16	AC	880 ms 102,332 KB
testcase_17	AC	983 ms 101,240 KB
testcase_18	AC	970 ms 99,568 KB
testcase_19	AC	1,205 ms 106,496 KB
testcase_20	AC	898 ms 102,536 KB
testcase_21	AC	1,120 ms 107,496 KB
testcase_22	AC	914 ms 102,768 KB
testcase_23	AC	1,087 ms 104,144 KB
testcase_24	AC	1,087 ms 102,600 KB
testcase_25	AC	9 ms 5,524 KB
testcase_26	AC	9 ms 5,416 KB
testcase_27	AC	10 ms 5,512 KB
testcase_28	AC	10 ms 5,648 KB
testcase_29	AC	10 ms 5,492 KB
testcase_30	AC	9 ms 5,632 KB
testcase_31	AC	9 ms 5,428 KB
testcase_32	AC	9 ms 5,376 KB
testcase_33	AC	9 ms 5,364 KB
testcase_34	AC	9 ms 5,396 KB
testcase_35	AC	9 ms 5,324 KB
testcase_36	AC	9 ms 5,344 KB
testcase_37	AC	9 ms 5,376 KB
testcase_38	AC	9 ms 5,512 KB
testcase_39	AC	10 ms 5,528 KB
testcase_40	AC	9 ms 5,424 KB
testcase_41	AC	10 ms 5,560 KB
testcase_42	AC	9 ms 5,576 KB
testcase_43	AC	9 ms 5,560 KB
testcase_44	AC	9 ms 5,432 KB
testcase_45	AC	900 ms 118,520 KB
testcase_46	AC	889 ms 110,100 KB
testcase_47	AC	891 ms 115,664 KB
testcase_48	AC	807 ms 112,308 KB
testcase_49	AC	787 ms 111,708 KB
testcase_50	AC	793 ms 115,412 KB
testcase_51	AC	921 ms 116,572 KB
testcase_52	AC	843 ms 111,816 KB
testcase_53	AC	874 ms 113,788 KB
testcase_54	AC	921 ms 116,932 KB
testcase_55	AC	951 ms 117,268 KB
testcase_56	AC	909 ms 115,268 KB
testcase_57	AC	833 ms 109,440 KB
testcase_58	AC	872 ms 114,608 KB
testcase_59	AC	882 ms 119,228 KB
testcase_60	AC	854 ms 118,580 KB
testcase_61	AC	881 ms 117,488 KB
testcase_62	AC	853 ms 110,032 KB
testcase_63	AC	1,018 ms 119,300 KB
testcase_64	AC	952 ms 117,316 KB
testcase_65	AC	1,417 ms 102,168 KB
testcase_66	AC	1,479 ms 105,372 KB
testcase_67	AC	961 ms 233,152 KB
testcase_68	AC	972 ms 239,888 KB
testcase_69	AC	1,223 ms 243,412 KB
testcase_70	AC	1,082 ms 251,492 KB
testcase_71	AC	489 ms 4,692 KB
testcase_72	AC	426 ms 4,816 KB
testcase_73	AC	352 ms 4,644 KB
testcase_74	AC	499 ms 4,612 KB
testcase_75	AC	1,194 ms 234,432 KB
testcase_76	AC	1,058 ms 242,920 KB
testcase_77	AC	1,252 ms 234,476 KB
testcase_78	AC	1,368 ms 252,672 KB
testcase_79	AC	1,204 ms 254,964 KB
testcase_80	AC	1,012 ms 245,000 KB
testcase_81	AC	1,200 ms 237,372 KB
testcase_82	AC	1,235 ms 246,816 KB
testcase_83	AC	477 ms 4,916 KB
testcase_84	AC	445 ms 4,548 KB
testcase_85	AC	1,796 ms 171,784 KB
testcase_86	AC	1,666 ms 159,172 KB
testcase_87	AC	654 ms 165,828 KB
testcase_88	AC	625 ms 159,860 KB
testcase_89	AC	1 ms 4,376 KB
testcase_90	AC	1 ms 4,380 KB
testcase_91	AC	1 ms 4,380 KB

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ソースコード

raw source code

#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;
}

yukicoder

結果

テストケース

ソースコード