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Submission #684469

# Submission time Handle Problem Language Result Execution time Memory
684469 2023-01-21T10:25:23 Z kusssso Foehn Phenomena (JOI17_foehn_phenomena) C++17
100 / 100
 103 ms 12384 KB 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 2e5 + 5;

int n, q;
ll s, t;
int a[N];
ll d[N];
ll decr, incr;

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    cin >> n >> q >> s >> t;
    s = -s;
    for (int i = 0; i <= n; i++) cin >> a[i];
    for (int i = 1; i <= n; i++) {
        d[i] = a[i] - a[i - 1];
        if (d[i] > 0) 
            decr += d[i];
        else 
            incr += abs(d[i]);
    }
    while (q--) {
        int l, r, x;
        cin >> l >> r >> x;
        
        if (d[l] > 0) 
            decr -= d[l];
        else
            incr -= abs(d[l]);
            
        d[l] += x;
        
        if (d[l] > 0)
            decr += d[l];
        else
            incr += abs(d[l]);
            
        if (r + 1 <= n) {
            if (d[r + 1] > 0)
                decr -= d[r + 1];
            else
                incr -= abs(d[r + 1]);
                
            d[r + 1] -= x;
            
            if (d[r + 1] > 0)
                decr += d[r + 1];
            else 
                incr += abs(d[r + 1]);
        }
        
        cout << decr * s + incr * t << '\n';
    }
    
    return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 388 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 388 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 464 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 2 ms 420 KB Output is correct
19 Correct 0 ms 324 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 99 ms 3976 KB Output is correct
2 Correct 91 ms 4804 KB Output is correct
3 Correct 87 ms 5368 KB Output is correct
4 Correct 83 ms 4472 KB Output is correct
5 Correct 85 ms 5284 KB Output is correct
6 Correct 74 ms 5768 KB Output is correct
7 Correct 75 ms 5636 KB Output is correct
8 Correct 95 ms 5708 KB Output is correct
9 Correct 87 ms 5912 KB Output is correct
10 Correct 88 ms 4732 KB Output is correct
11 Correct 75 ms 5708 KB Output is correct
12 Correct 73 ms 6084 KB Output is correct
13 Correct 77 ms 11072 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 388 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 388 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 464 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 2 ms 420 KB Output is correct
19 Correct 0 ms 324 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 99 ms 3976 KB Output is correct
23 Correct 91 ms 4804 KB Output is correct
24 Correct 87 ms 5368 KB Output is correct
25 Correct 83 ms 4472 KB Output is correct
26 Correct 85 ms 5284 KB Output is correct
27 Correct 74 ms 5768 KB Output is correct
28 Correct 75 ms 5636 KB Output is correct
29 Correct 95 ms 5708 KB Output is correct
30 Correct 87 ms 5912 KB Output is correct
31 Correct 88 ms 4732 KB Output is correct
32 Correct 75 ms 5708 KB Output is correct
33 Correct 73 ms 6084 KB Output is correct
34 Correct 77 ms 11072 KB Output is correct
35 Correct 92 ms 9608 KB Output is correct
36 Correct 92 ms 10996 KB Output is correct
37 Correct 99 ms 11772 KB Output is correct
38 Correct 96 ms 11724 KB Output is correct
39 Correct 95 ms 11728 KB Output is correct
40 Correct 97 ms 11660 KB Output is correct
41 Correct 103 ms 11488 KB Output is correct
42 Correct 91 ms 11600 KB Output is correct
43 Correct 90 ms 10860 KB Output is correct
44 Correct 98 ms 11176 KB Output is correct
45 Correct 99 ms 11272 KB Output is correct
46 Correct 90 ms 12384 KB Output is correct
47 Correct 82 ms 10856 KB Output is correct
48 Correct 81 ms 10880 KB Output is correct
49 Correct 80 ms 9932 KB Output is correct
50 Correct 78 ms 10728 KB Output is correct
51 Correct 77 ms 11108 KB Output is correct
52 Correct 76 ms 10828 KB Output is correct