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Submission #954811

# Submission time Handle Problem Language Result Execution time Memory
954811 2024-03-28T15:28:01 Z LucaIlie Measures (CEOI22_measures) C++17
100 / 100
 397 ms 52652 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 4e5;
const long long INF = 1e15;
int x[MAX_N], nrm[MAX_N];
map<int, vector<int>> frecv;

struct info {
    long long minn, maxx, maxDiff;
};

struct add {
    long long minn, maxx;
};

struct SegTree {
    int leftQuery, rightQuery;
    info segTree[4 * MAX_N];
    add lazy[4 * MAX_N];

    void propag( int v, int l, int r ) {
        segTree[v].minn += lazy[v].minn;
        segTree[v].maxx += lazy[v].maxx;
        if ( l != r ) {
            lazy[v * 2 + 1].minn += lazy[v].minn;
            lazy[v * 2 + 2].minn += lazy[v].minn;
            lazy[v * 2 + 1].maxx += lazy[v].maxx;
            lazy[v * 2 + 2].maxx += lazy[v].maxx;
        }
        lazy[v] = { 0, 0 };
    }

    void init( int v, int l, int r ) {
        if ( l == r ) {
            segTree[v] = { INF, -INF, 0 };
            return;
        }
        int mid = (l + r) / 2;
        init( v * 2 + 1, l, mid );
        init( v * 2 + 2, mid + 1, r );
        segTree[v].minn = min( segTree[v * 2 + 1].minn, segTree[v * 2 + 2].minn );
        segTree[v].maxx = max( segTree[v * 2 + 1].maxx, segTree[v * 2 + 2].maxx );
        segTree[v].maxDiff = max( segTree[v * 2 + 2].maxx - segTree[v * 2 + 1].minn, max( segTree[v * 2 + 1].maxDiff, segTree[v * 2 + 2].maxDiff ) );
    }
    void init( int l, int r ) {
        leftQuery = l;
        rightQuery = r;
        init( 0, l, r );
    }

    void update( int v, int l, int r, int lu, int ru, add x ) {
        propag( v, l, r );

        if ( l > ru || r < lu )
            return;

        if ( lu <= l && r <= ru ) {
            lazy[v] = x;
            propag( v, l, r );
            return;
        }

        int mid = (l + r) / 2;
        update( v * 2 + 1, l, mid, lu, ru, x );
        update( v * 2 + 2, mid + 1, r, lu, ru, x );
        segTree[v].minn = min( segTree[v * 2 + 1].minn, segTree[v * 2 + 2].minn );
        segTree[v].maxx = max( segTree[v * 2 + 1].maxx, segTree[v * 2 + 2].maxx );
        segTree[v].maxDiff = max( segTree[v * 2 + 2].maxx - segTree[v * 2 + 1].minn, max( segTree[v * 2 + 1].maxDiff, segTree[v * 2 + 2].maxDiff ) );
    }
    void update( int l, int r, add x ) {
        update( 0, leftQuery, rightQuery, l, r, x );
    }

    long long queryAll() {
        return segTree[0].maxDiff;
    }
} cost;

int main() {
    ios_base::sync_with_stdio( false );
    cin.tie( NULL );

    int n, q, d;

    cin >> n >> q >> d;

    n += q;
    for ( int i = 0; i < n; i++ ) {
        cin >> x[i];
        frecv[x[i]].push_back( i );
    }

    int val = 0;
    for ( auto p: frecv ) {
        for ( int i: p.second )
            nrm[i] = ++val;
    }

    cost.init( 1, n );
    for ( int i = 0; i < n; i++ ) {
        cost.update( nrm[i], nrm[i], { -INF - x[i], INF - x[i] } );
        cost.update( nrm[i], n, { d, d } );

        if ( i >= n - q ) {
            long long ans = cost.queryAll();
            cout << ans / 2;
            if ( ans % 2 == 1 )
                cout << ".5";
            cout << " ";
        }
    }

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2908 KB Output is correct
2 Correct 2 ms 2908 KB Output is correct
3 Correct 2 ms 2648 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 2 ms 2908 KB Output is correct
6 Correct 3 ms 2908 KB Output is correct
7 Correct 2 ms 2908 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2908 KB Output is correct
2 Correct 2 ms 2908 KB Output is correct
3 Correct 2 ms 2648 KB Output is correct
4 Correct 2 ms 2908 KB Output is correct
5 Correct 2 ms 2908 KB Output is correct
6 Correct 3 ms 2908 KB Output is correct
7 Correct 2 ms 2908 KB Output is correct
8 Correct 2 ms 2908 KB Output is correct
9 Correct 340 ms 49236 KB Output is correct
10 Correct 327 ms 49488 KB Output is correct
11 Correct 146 ms 28204 KB Output is correct
12 Correct 225 ms 49328 KB Output is correct
13 Correct 200 ms 49228 KB Output is correct
14 Correct 209 ms 49348 KB Output is correct
15 Correct 316 ms 48728 KB Output is correct
16 Correct 210 ms 49264 KB Output is correct

Subtask #3
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 210 ms 48404 KB Output is correct
2 Correct 215 ms 50164 KB Output is correct
3 Correct 163 ms 29340 KB Output is correct
4 Correct 211 ms 48104 KB Output is correct
5 Correct 217 ms 49592 KB Output is correct
6 Correct 212 ms 48464 KB Output is correct
7 Correct 217 ms 49552 KB Output is correct
8 Correct 211 ms 48212 KB Output is correct
9 Correct 221 ms 48212 KB Output is correct
10 Correct 220 ms 51028 KB Output is correct
11 Correct 213 ms 48976 KB Output is correct
12 Correct 212 ms 50004 KB Output is correct
13 Correct 219 ms 48112 KB Output is correct
14 Correct 214 ms 50216 KB Output is correct
15 Correct 222 ms 50016 KB Output is correct
16 Correct 209 ms 48208 KB Output is correct
17 Correct 210 ms 49492 KB Output is correct

Subtask #4
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 210 ms 48404 KB Output is correct
2 Correct 215 ms 50164 KB Output is correct
3 Correct 163 ms 29340 KB Output is correct
4 Correct 211 ms 48104 KB Output is correct
5 Correct 217 ms 49592 KB Output is correct
6 Correct 212 ms 48464 KB Output is correct
7 Correct 217 ms 49552 KB Output is correct
8 Correct 211 ms 48212 KB Output is correct
9 Correct 221 ms 48212 KB Output is correct
10 Correct 220 ms 51028 KB Output is correct
11 Correct 213 ms 48976 KB Output is correct
12 Correct 212 ms 50004 KB Output is correct
13 Correct 219 ms 48112 KB Output is correct
14 Correct 214 ms 50216 KB Output is correct
15 Correct 222 ms 50016 KB Output is correct
16 Correct 209 ms 48208 KB Output is correct
17 Correct 210 ms 49492 KB Output is correct
18 Correct 351 ms 48460 KB Output is correct
19 Correct 397 ms 52288 KB Output is correct
20 Correct 166 ms 31164 KB Output is correct
21 Correct 232 ms 50260 KB Output is correct
22 Correct 291 ms 50616 KB Output is correct
23 Correct 218 ms 50276 KB Output is correct
24 Correct 360 ms 51112 KB Output is correct
25 Correct 210 ms 50008 KB Output is correct
26 Correct 358 ms 50336 KB Output is correct
27 Correct 361 ms 52652 KB Output is correct
28 Correct 267 ms 50568 KB Output is correct
29 Correct 303 ms 51796 KB Output is correct
30 Correct 233 ms 49904 KB Output is correct
31 Correct 238 ms 52012 KB Output is correct
32 Correct 219 ms 51792 KB Output is correct
33 Correct 334 ms 49772 KB Output is correct
34 Correct 233 ms 51444 KB Output is correct