oj.uz

Submission #939110

# Submission time Handle Problem Language Result Execution time Memory
939110 2024-03-06T05:47:47 Z qwe1rt1yuiop1 Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 98 ms 13268 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;

void solve()
{
    int n, q, a, b;
    cin >> n >> q >> a >> b;
    vector<int> v(n + 1);
    for (int &i : v)
        cin >> i;

    int ans = 0;

    vector<int> dif(n);
    for (int i = 0; i < n; ++i)
    {
        dif[i] = v[i + 1] - v[i];
        if (dif[i] >= 0)
            ans -= a * dif[i];
        else
            ans -= b * dif[i];
    }

    while (q--)
    {
        int l, r, k;
        cin >> l >> r >> k;
        --l;
        if (dif[l] >= 0)
            ans += a * dif[l];
        else
            ans += b * dif[l];
        dif[l] += k;
        if (dif[l] >= 0)
            ans -= a * dif[l];
        else
            ans -= b * dif[l];

        if (r < n)
        {
            if (dif[r] >= 0)
                ans += a * dif[r];
            else
                ans += b * dif[r];
            dif[r] -= k;
            if (dif[r] >= 0)
                ans -= a * dif[r];
            else
                ans -= b * dif[r];
        }
        cout << ans << '\n';
    }
}

/*
3 5 1 2
0 4 1 8
1 2 2
1 1 -2
2 3 5
1 2 -1
1 3 5

*/

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);

    solve();

    return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 536 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 10192 KB Output is correct
2 Correct 73 ms 10912 KB Output is correct
3 Correct 87 ms 11392 KB Output is correct
4 Correct 73 ms 11000 KB Output is correct
5 Correct 71 ms 12116 KB Output is correct
6 Correct 64 ms 11084 KB Output is correct
7 Correct 64 ms 11160 KB Output is correct
8 Correct 74 ms 11900 KB Output is correct
9 Correct 75 ms 12196 KB Output is correct
10 Correct 73 ms 10832 KB Output is correct
11 Correct 60 ms 10836 KB Output is correct
12 Correct 62 ms 11604 KB Output is correct
13 Correct 62 ms 11860 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 536 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 74 ms 10192 KB Output is correct
23 Correct 73 ms 10912 KB Output is correct
24 Correct 87 ms 11392 KB Output is correct
25 Correct 73 ms 11000 KB Output is correct
26 Correct 71 ms 12116 KB Output is correct
27 Correct 64 ms 11084 KB Output is correct
28 Correct 64 ms 11160 KB Output is correct
29 Correct 74 ms 11900 KB Output is correct
30 Correct 75 ms 12196 KB Output is correct
31 Correct 73 ms 10832 KB Output is correct
32 Correct 60 ms 10836 KB Output is correct
33 Correct 62 ms 11604 KB Output is correct
34 Correct 62 ms 11860 KB Output is correct
35 Correct 74 ms 10516 KB Output is correct
36 Correct 73 ms 11760 KB Output is correct
37 Correct 82 ms 12632 KB Output is correct
38 Correct 75 ms 12372 KB Output is correct
39 Correct 75 ms 12440 KB Output is correct
40 Correct 98 ms 12380 KB Output is correct
41 Correct 75 ms 12372 KB Output is correct
42 Correct 75 ms 12376 KB Output is correct
43 Correct 74 ms 11600 KB Output is correct
44 Correct 74 ms 12116 KB Output is correct
45 Correct 72 ms 12052 KB Output is correct
46 Correct 74 ms 13268 KB Output is correct
47 Correct 65 ms 11596 KB Output is correct
48 Correct 67 ms 11860 KB Output is correct
49 Correct 65 ms 10648 KB Output is correct
50 Correct 61 ms 11480 KB Output is correct
51 Correct 65 ms 11860 KB Output is correct
52 Correct 70 ms 11740 KB Output is correct