oj.uz

Submission #230763

# Submission time Handle Problem Language Result Execution time Memory
230763 2020-05-11T16:25:16 Z andreiomd Simple (info1cup19_simple) C++11
100 / 100
 460 ms 39672 KB 
#include <iostream>
#include <cstdio>
#include <cstring>
#include <cstring>

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;

    cout << ans.Min_Even << ' ' << ans.Max_Odd << '\n';

    return;
}

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

    while(Q--)
        TestCase();

    return;
}

int main()
{
    Load();

    Solve();

    return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 25728 KB Output is correct
2 Correct 22 ms 25592 KB Output is correct
3 Correct 24 ms 25728 KB Output is correct
4 Correct 24 ms 25728 KB Output is correct
5 Correct 24 ms 25728 KB Output is correct
6 Correct 24 ms 25728 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 187 ms 31096 KB Output is correct
2 Correct 382 ms 37112 KB Output is correct
3 Correct 364 ms 36984 KB Output is correct
4 Correct 370 ms 36996 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 25728 KB Output is correct
2 Correct 22 ms 25592 KB Output is correct
3 Correct 24 ms 25728 KB Output is correct
4 Correct 24 ms 25728 KB Output is correct
5 Correct 24 ms 25728 KB Output is correct
6 Correct 24 ms 25728 KB Output is correct
7 Correct 187 ms 31096 KB Output is correct
8 Correct 382 ms 37112 KB Output is correct
9 Correct 364 ms 36984 KB Output is correct
10 Correct 370 ms 36996 KB Output is correct
11 Correct 226 ms 32248 KB Output is correct
12 Correct 451 ms 38568 KB Output is correct
13 Correct 443 ms 39416 KB Output is correct
14 Correct 460 ms 38648 KB Output is correct
15 Correct 399 ms 39672 KB Output is correct
16 Correct 171 ms 34936 KB Output is correct