oj.uz

Submission #284376

# Submission time Handle Problem Language Result Execution time Memory
284376 2020-08-27T09:50:57 Z Alexa2001 Sushi (JOI16_sushi) C++17
5 / 100
 4141 ms 262148 KB 
#include <bits/stdc++.h>

using namespace std;

const int Nmax = 4e5 + 5;
const int B = 3;

priority_queue<int, vector<int>, greater<int>> op[Nmax / B + 5];
priority_queue<int> val[Nmax / B + 5];

int n, q, m;
int a[Nmax];


void init()
{
    int i;
    for(i=0; i<n; ++i)
        val[i / B].push(a[i]);
}

int query1(int x, int y, int w)
{
    y = min(y, n-1);

    int i, buc = x/B;

    for(i=buc*B; i<(buc+1)*B && i<n; ++i)
    {
        op[buc].push(a[i]);
        a[i] = op[buc].top();
        op[buc].pop();
    }

    while(!op[buc].empty()) op[buc].pop();
    while(!val[buc].empty()) val[buc].pop();

    for(i=x; i<=y; ++i)
        if(a[i] > w) swap(a[i], w);

    for(i=buc*B; i<(buc+1)*B && i < n; ++i)
        val[buc].push(a[i]);

    return w;
}

int query2(int buc, int x)
{
    op[buc].push(x);
    val[buc].push(x);
    x = val[buc].top();
    val[buc].pop();
    return x;
}

int query(int x, int y, int val)
{
    if(x > y)
        return query(0, y, query(x, n-1, val));

    if(x/B == y/B) return query1(x, y, val);

    if(x%B!=0) val = query1(x, x/B*B + B - 1, val);
        else val = query2(x/B, val);

    for(int i = x/B + 1; i < y/B; ++i)
        val = query2(i, val);

    if(y%B==B-1 || y==n-1) val = query2(y/B, val);
        else val = query1(y/B*B, y, val);

    return val;
}

int main()
{
   // freopen("input", "r", stdin);
    cin.tie(0); cin.sync_with_stdio(false);

    cin >> n >> q;

    int i;
    for(i=0; i<n; ++i) cin >> a[i];

    m = (n-1) / B + 1;

    init();

    while(q--)
    {
        int x, y, val;
        cin >> x >> y >> val;
        --x; --y;
        cout << query(x, y, val) << '\n';
    }

    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 10872 KB Output is correct
2 Correct 66 ms 10876 KB Output is correct
3 Correct 68 ms 10964 KB Output is correct
4 Correct 68 ms 10896 KB Output is correct
5 Correct 66 ms 10872 KB Output is correct
6 Correct 71 ms 10872 KB Output is correct
7 Correct 39 ms 10744 KB Output is correct
8 Correct 39 ms 10872 KB Output is correct
9 Correct 68 ms 10872 KB Output is correct
10 Correct 75 ms 10872 KB Output is correct
11 Correct 68 ms 10872 KB Output is correct
12 Correct 65 ms 10744 KB Output is correct
13 Correct 69 ms 11000 KB Output is correct
14 Correct 118 ms 13816 KB Output is correct
15 Correct 142 ms 12780 KB Output is correct
16 Correct 8 ms 8832 KB Output is correct
17 Correct 6 ms 8704 KB Output is correct
18 Correct 6 ms 8704 KB Output is correct
19 Correct 6 ms 8704 KB Output is correct
20 Correct 6 ms 8704 KB Output is correct
21 Correct 6 ms 8704 KB Output is correct
22 Correct 6 ms 8704 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 4141 ms 262148 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 10872 KB Output is correct
2 Correct 66 ms 10876 KB Output is correct
3 Correct 68 ms 10964 KB Output is correct
4 Correct 68 ms 10896 KB Output is correct
5 Correct 66 ms 10872 KB Output is correct
6 Correct 71 ms 10872 KB Output is correct
7 Correct 39 ms 10744 KB Output is correct
8 Correct 39 ms 10872 KB Output is correct
9 Correct 68 ms 10872 KB Output is correct
10 Correct 75 ms 10872 KB Output is correct
11 Correct 68 ms 10872 KB Output is correct
12 Correct 65 ms 10744 KB Output is correct
13 Correct 69 ms 11000 KB Output is correct
14 Correct 118 ms 13816 KB Output is correct
15 Correct 142 ms 12780 KB Output is correct
16 Correct 8 ms 8832 KB Output is correct
17 Correct 6 ms 8704 KB Output is correct
18 Correct 6 ms 8704 KB Output is correct
19 Correct 6 ms 8704 KB Output is correct
20 Correct 6 ms 8704 KB Output is correct
21 Correct 6 ms 8704 KB Output is correct
22 Correct 6 ms 8704 KB Output is correct
23 Runtime error 4141 ms 262148 KB Execution killed with signal 9
24 Halted 0 ms 0 KB -