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Submission #395767

# Submission time Handle Problem Language Result Execution time Memory
395767 2021-04-28T22:25:01 Z kaplanbar Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 133 ms 11740 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n, q, s, t;
    cin >> n >> q >> s >> t;
    
    vector<ll> d;

    int last = 0;
    for(int i = 0; i < n + 1; i++) {
        int x;
        cin >> x;
        if(i) {
            d.push_back(x - last);
        }
        last = x;
    }

    auto calculate_val = [&](ll x) -> ll {
        if(x < 0) return x * t;
        else return x * s;
    };

    ll cur = 0;
    for(ll x : d) {
        cur += calculate_val(x);
    }


    for(int i = 0; i < q; i++) {
        int l, r, x;
        cin >> l >> r >> x;

        cur -= calculate_val(d[l - 1]);
        d[l - 1] += x;
        cur += calculate_val(d[l - 1]);

        if(r != n) {
            cur -= calculate_val(d[r]);
            d[r] -= x;
            cur += calculate_val(d[r]);
        }

        cout << -cur << "\n";
        
    }

    return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 2 ms 328 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 336 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 2 ms 392 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 115 ms 8848 KB Output is correct
2 Correct 118 ms 9376 KB Output is correct
3 Correct 115 ms 10040 KB Output is correct
4 Correct 119 ms 9444 KB Output is correct
5 Correct 121 ms 10552 KB Output is correct
6 Correct 100 ms 9600 KB Output is correct
7 Correct 101 ms 9548 KB Output is correct
8 Correct 117 ms 10408 KB Output is correct
9 Correct 118 ms 10680 KB Output is correct
10 Correct 113 ms 9444 KB Output is correct
11 Correct 95 ms 9416 KB Output is correct
12 Correct 99 ms 10204 KB Output is correct
13 Correct 102 ms 10424 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 2 ms 328 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 328 KB Output is correct
6 Correct 2 ms 328 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 336 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 2 ms 392 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 115 ms 8848 KB Output is correct
23 Correct 118 ms 9376 KB Output is correct
24 Correct 115 ms 10040 KB Output is correct
25 Correct 119 ms 9444 KB Output is correct
26 Correct 121 ms 10552 KB Output is correct
27 Correct 100 ms 9600 KB Output is correct
28 Correct 101 ms 9548 KB Output is correct
29 Correct 117 ms 10408 KB Output is correct
30 Correct 118 ms 10680 KB Output is correct
31 Correct 113 ms 9444 KB Output is correct
32 Correct 95 ms 9416 KB Output is correct
33 Correct 99 ms 10204 KB Output is correct
34 Correct 102 ms 10424 KB Output is correct
35 Correct 112 ms 8884 KB Output is correct
36 Correct 116 ms 10424 KB Output is correct
37 Correct 118 ms 11132 KB Output is correct
38 Correct 118 ms 11068 KB Output is correct
39 Correct 120 ms 10944 KB Output is correct
40 Correct 116 ms 10936 KB Output is correct
41 Correct 120 ms 10868 KB Output is correct
42 Correct 121 ms 10936 KB Output is correct
43 Correct 115 ms 10140 KB Output is correct
44 Correct 115 ms 10552 KB Output is correct
45 Correct 114 ms 10584 KB Output is correct
46 Correct 133 ms 11740 KB Output is correct
47 Correct 101 ms 10256 KB Output is correct
48 Correct 104 ms 10180 KB Output is correct
49 Correct 103 ms 9212 KB Output is correct
50 Correct 97 ms 10040 KB Output is correct
51 Correct 101 ms 10432 KB Output is correct
52 Correct 98 ms 10236 KB Output is correct