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Submission #995267

# Submission time Handle Problem Language Result Execution time Memory
995267 2024-06-08T17:51:29 Z gmroh06 Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 85 ms 13232 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using pll = pair<ll, ll>;

inline void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
}

const ll INF = 1e16;

ll n, q, s, t, sum;
ll arr[200005], diff[200005];

ll cal(ll x) {
    if (x < 0) {
        return -t * x;
    } else {
        return -s * x;
    }
}

int main() {
    fastio();

    cin >> n >> q >> s >> t;

    for (ll i = 0; i <= n; i++) {
        cin >> arr[i];
    }

    for (ll i = 1; i <= n; i++) {
        diff[i] = arr[i] - arr[i - 1];
        sum += cal(diff[i]);
    }

    ll l, r, x;

    while (q--) {
        cin >> l >> r >> x;

        sum -= cal(diff[l]) + (r != n) * cal(diff[r + 1]);

        diff[l] += x;
        diff[r + 1] -= (r != n) * x;

        sum += cal(diff[l]) + (r != n) * cal(diff[r + 1]);

        cout << sum << '\n';
    }

    return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2584 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2528 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 2 ms 2652 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2528 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2580 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 10320 KB Output is correct
2 Correct 73 ms 10828 KB Output is correct
3 Correct 68 ms 11604 KB Output is correct
4 Correct 72 ms 10836 KB Output is correct
5 Correct 64 ms 12176 KB Output is correct
6 Correct 58 ms 11088 KB Output is correct
7 Correct 57 ms 11064 KB Output is correct
8 Correct 85 ms 11736 KB Output is correct
9 Correct 73 ms 12112 KB Output is correct
10 Correct 67 ms 10948 KB Output is correct
11 Correct 54 ms 10832 KB Output is correct
12 Correct 57 ms 11600 KB Output is correct
13 Correct 60 ms 11828 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2584 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2528 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 2 ms 2652 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2528 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2580 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2392 KB Output is correct
22 Correct 68 ms 10320 KB Output is correct
23 Correct 73 ms 10828 KB Output is correct
24 Correct 68 ms 11604 KB Output is correct
25 Correct 72 ms 10836 KB Output is correct
26 Correct 64 ms 12176 KB Output is correct
27 Correct 58 ms 11088 KB Output is correct
28 Correct 57 ms 11064 KB Output is correct
29 Correct 85 ms 11736 KB Output is correct
30 Correct 73 ms 12112 KB Output is correct
31 Correct 67 ms 10948 KB Output is correct
32 Correct 54 ms 10832 KB Output is correct
33 Correct 57 ms 11600 KB Output is correct
34 Correct 60 ms 11828 KB Output is correct
35 Correct 67 ms 10324 KB Output is correct
36 Correct 68 ms 11856 KB Output is correct
37 Correct 68 ms 12624 KB Output is correct
38 Correct 70 ms 12476 KB Output is correct
39 Correct 69 ms 12488 KB Output is correct
40 Correct 70 ms 12400 KB Output is correct
41 Correct 75 ms 12224 KB Output is correct
42 Correct 71 ms 12280 KB Output is correct
43 Correct 67 ms 11604 KB Output is correct
44 Correct 73 ms 12112 KB Output is correct
45 Correct 62 ms 12112 KB Output is correct
46 Correct 69 ms 13232 KB Output is correct
47 Correct 60 ms 11600 KB Output is correct
48 Correct 60 ms 11604 KB Output is correct
49 Correct 71 ms 10832 KB Output is correct
50 Correct 52 ms 11604 KB Output is correct
51 Correct 59 ms 11860 KB Output is correct
52 Correct 54 ms 11604 KB Output is correct