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답안 #230775

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
230775 2020-05-11T17:12:46 Z andreiomd Simple (info1cup19_simple) C++11
100 / 100
 464 ms 34552 KB 
#include <iostream>

using namespace std;

const long long INF = 1LL * 1e18;

int N, X, Q, Type, a, b, Val;

struct NodeT
{
    long long Min_Even, Max_Even, Min_Odd, Max_Odd;

    NodeT ()
    {
        Min_Even = Min_Odd = INF;

        Max_Even = Max_Odd = -INF;
    }
};

class SegmentTree
{
    static const int NMAX = 2e5 + 5;

    NodeT A[(NMAX << 2)];
    long long Lazy[(NMAX << 2)];

    inline void Update_Node (NodeT &X, long long Val)
    {
        if(X.Min_Even == INF && X.Min_Odd == INF)
        {
            if(Val & 1)
                X.Min_Odd = X.Max_Odd = Val;
            else
                X.Min_Even = X.Max_Even = Val;

            return;
        }

        if(Val & 1)
        {
            swap(X.Min_Even, X.Min_Odd);

            swap(X.Max_Even, X.Max_Odd);
        }

        if(X.Min_Even != INF)
            X.Min_Even += 1LL * Val, X.Max_Even += 1LL * Val;

        if(X.Min_Odd != INF)
            X.Min_Odd += 1LL * Val, X.Max_Odd += 1LL * Val;

        return;
    }

    inline void Go (int Node, int a, int b)
    {
        if(a == b)
            return;

        if(!Lazy[Node])
            return;

        Update_Node(A[2 * Node], Lazy[Node]);
        Update_Node(A[2 * Node + 1], Lazy[Node]);

        Lazy[2 * Node] += Lazy[Node];
        Lazy[2 * Node + 1] += Lazy[Node];

        Lazy[Node] = 0;

        return;
    }

    inline NodeT Merge (NodeT X, NodeT Y)
    {
        NodeT ans;

        ans.Min_Even = min(X.Min_Even, Y.Min_Even);
        ans.Max_Even = max(X.Max_Even, Y.Max_Even);

        ans.Min_Odd = min(X.Min_Odd, Y.Min_Odd);
        ans.Max_Odd = max(X.Max_Odd, Y.Max_Odd);

        return ans;
    }

public:
    inline void Update (int Node, int a, int b, int ua, int ub, int Val)
    {
        if(ua <= a && b <= ub)
        {
            Lazy[Node] += 1LL * Val;

            Update_Node(A[Node], Val);

            return;
        }

        Go(Node, a, b);

        int Mid = (a + b) >> 1;

        if(ua <= Mid)
            Update(2 * Node, a, Mid, ua, ub, Val);

        if(ub > Mid)
            Update(2 * Node + 1, Mid + 1, b, ua, ub, Val);

        A[Node] = Merge(A[2 * Node], A[2 * Node + 1]);

        return;
    }

    inline NodeT Query (int Node, int a, int b, int qa, int qb)
    {
        if(qa <= a && b <= qb)
            return A[Node];

        Go(Node, a, b);

        int Mid = (a + b) >> 1;

        NodeT p1, p2;

        if(qa <= Mid)
            p1 = Query(2 * Node, a, Mid, qa, qb);

        if(qb > Mid)
            p2 = Query(2 * Node + 1, Mid + 1, b, qa, qb);

        return Merge(p1, p2);
    }
} AINT;

static inline void Load ()
{
    ios_base :: sync_with_stdio(false);
    cin.tie(nullptr);

    cin >> N;

    for(int i = 1; i <= N; ++i)
        cin >> X, AINT.Update(1, 1, N, i, i, X);

    return;
}

static inline void TestCase ()
{
    cin >> Type >> a >> b;

    if(Type == 0)
    {
        cin >> Val;

        AINT.Update(1, 1, N, a, b, Val);

        return;
    }

    NodeT ans = AINT.Query(1, 1, N, a, b);

    if(ans.Min_Even == INF)
        ans.Min_Even = -1;

    if(ans.Max_Odd == -INF)
        ans.Max_Odd = -1;

    printf("%lld %lld\n", 1LL * ans.Min_Even, 1LL * ans.Max_Odd);

    return;
}

static inline void Solve ()
{
    cin >> Q;

    while(Q--)
        TestCase();

    return;
}

int main()
{
    Load();

    Solve();

    return 0;
}

Subtask #1
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 25472 KB Output is correct
2 Correct 21 ms 25472 KB Output is correct
3 Correct 24 ms 25600 KB Output is correct
4 Correct 23 ms 25600 KB Output is correct
5 Correct 23 ms 25600 KB Output is correct
6 Correct 23 ms 25600 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 179 ms 28728 KB Output is correct
2 Correct 380 ms 31992 KB Output is correct
3 Correct 368 ms 32120 KB Output is correct
4 Correct 383 ms 31964 KB Output is correct

Subtask #3
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 25472 KB Output is correct
2 Correct 21 ms 25472 KB Output is correct
3 Correct 24 ms 25600 KB Output is correct
4 Correct 23 ms 25600 KB Output is correct
5 Correct 23 ms 25600 KB Output is correct
6 Correct 23 ms 25600 KB Output is correct
7 Correct 179 ms 28728 KB Output is correct
8 Correct 380 ms 31992 KB Output is correct
9 Correct 368 ms 32120 KB Output is correct
10 Correct 383 ms 31964 KB Output is correct
11 Correct 200 ms 29432 KB Output is correct
12 Correct 464 ms 32632 KB Output is correct
13 Correct 440 ms 33528 KB Output is correct
14 Correct 450 ms 32632 KB Output is correct
15 Correct 404 ms 34552 KB Output is correct
16 Correct 159 ms 28536 KB Output is correct