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Submission #367641

# Submission time Handle Problem Language Result Execution time Memory
367641 2021-02-17T20:05:24 Z shafinalam Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 787 ms 13172 KB 
#include "bits/stdc++.h"

using namespace std;
typedef long long ll;
const int mxn = 2e5+5;

ll arr[mxn];
ll diff[mxn];

int main()
{
    ll n, q, S, T;
    cin >> n >> q >> S >> T;

    for(int i = 0; i <= n; i++) {
        cin >> arr[i];        
    }
    ll ans = 0;
    for(int i = 1; i <= n; i++) {
        ll d = arr[i]-arr[i-1];
        diff[i] = d;
        if(d>0) {
            ans-=(abs(d)*S);
        }
        else {
            ans+=(abs(d)*T);
        }
        //cout << ans << '\n';
    }
    //cout << ans << '\n';
    while(q--) {
        ll l, r, x;
        cin >> l >> r >> x;

        if(diff[l]>0) ans += (abs(diff[l])*S);
        else ans -= (abs(diff[l])*T);
        diff[l]+=x;

        if(diff[l]>0) ans -= (abs(diff[l])*S);
        else ans += (abs(diff[l])*T);

        if(r+1<=n) {
            if(diff[r+1]>0) ans += (abs(diff[r+1])*S);
            else ans -= (abs(diff[r+1])*T);
            diff[r+1]-=x;

            if(diff[r+1]>0) ans -= (abs(diff[r+1])*S);
            else ans += (abs(diff[r+1])*T);
        }
        cout << ans << '\n';
    }
    return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 364 KB Output is correct
2 Correct 8 ms 512 KB Output is correct
3 Correct 8 ms 364 KB Output is correct
4 Correct 8 ms 364 KB Output is correct
5 Correct 8 ms 364 KB Output is correct
6 Correct 7 ms 364 KB Output is correct
7 Correct 7 ms 364 KB Output is correct
8 Correct 9 ms 364 KB Output is correct
9 Correct 8 ms 364 KB Output is correct
10 Correct 8 ms 364 KB Output is correct
11 Correct 8 ms 364 KB Output is correct
12 Correct 8 ms 364 KB Output is correct
13 Correct 7 ms 364 KB Output is correct
14 Correct 8 ms 364 KB Output is correct
15 Correct 7 ms 384 KB Output is correct
16 Correct 8 ms 364 KB Output is correct
17 Correct 8 ms 364 KB Output is correct
18 Correct 7 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 0 ms 364 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 768 ms 9572 KB Output is correct
2 Correct 759 ms 10988 KB Output is correct
3 Correct 742 ms 11500 KB Output is correct
4 Correct 774 ms 11244 KB Output is correct
5 Correct 775 ms 12140 KB Output is correct
6 Correct 727 ms 11252 KB Output is correct
7 Correct 707 ms 11116 KB Output is correct
8 Correct 758 ms 11884 KB Output is correct
9 Correct 756 ms 12348 KB Output is correct
10 Correct 767 ms 10956 KB Output is correct
11 Correct 711 ms 11116 KB Output is correct
12 Correct 746 ms 11884 KB Output is correct
13 Correct 710 ms 12140 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 364 KB Output is correct
2 Correct 8 ms 512 KB Output is correct
3 Correct 8 ms 364 KB Output is correct
4 Correct 8 ms 364 KB Output is correct
5 Correct 8 ms 364 KB Output is correct
6 Correct 7 ms 364 KB Output is correct
7 Correct 7 ms 364 KB Output is correct
8 Correct 9 ms 364 KB Output is correct
9 Correct 8 ms 364 KB Output is correct
10 Correct 8 ms 364 KB Output is correct
11 Correct 8 ms 364 KB Output is correct
12 Correct 8 ms 364 KB Output is correct
13 Correct 7 ms 364 KB Output is correct
14 Correct 8 ms 364 KB Output is correct
15 Correct 7 ms 384 KB Output is correct
16 Correct 8 ms 364 KB Output is correct
17 Correct 8 ms 364 KB Output is correct
18 Correct 7 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 768 ms 9572 KB Output is correct
23 Correct 759 ms 10988 KB Output is correct
24 Correct 742 ms 11500 KB Output is correct
25 Correct 774 ms 11244 KB Output is correct
26 Correct 775 ms 12140 KB Output is correct
27 Correct 727 ms 11252 KB Output is correct
28 Correct 707 ms 11116 KB Output is correct
29 Correct 758 ms 11884 KB Output is correct
30 Correct 756 ms 12348 KB Output is correct
31 Correct 767 ms 10956 KB Output is correct
32 Correct 711 ms 11116 KB Output is correct
33 Correct 746 ms 11884 KB Output is correct
34 Correct 710 ms 12140 KB Output is correct
35 Correct 762 ms 10560 KB Output is correct
36 Correct 746 ms 12020 KB Output is correct
37 Correct 755 ms 12800 KB Output is correct
38 Correct 746 ms 12652 KB Output is correct
39 Correct 764 ms 12524 KB Output is correct
40 Correct 757 ms 12652 KB Output is correct
41 Correct 787 ms 12356 KB Output is correct
42 Correct 756 ms 12396 KB Output is correct
43 Correct 761 ms 11884 KB Output is correct
44 Correct 748 ms 12284 KB Output is correct
45 Correct 758 ms 12288 KB Output is correct
46 Correct 772 ms 13172 KB Output is correct
47 Correct 749 ms 11876 KB Output is correct
48 Correct 717 ms 11796 KB Output is correct
49 Correct 712 ms 10860 KB Output is correct
50 Correct 706 ms 11548 KB Output is correct
51 Correct 717 ms 11884 KB Output is correct
52 Correct 701 ms 11884 KB Output is correct