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Submission #126696

# Submission time Handle Problem Language Result Execution time Memory
126696 2019-07-08T09:30:58 Z toonewbie Foehn Phenomena (JOI17_foehn_phenomena) C++17
100 / 100
 148 ms 7728 KB 
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>

#define ll long long
#define F first
#define S second
#define pb push_back
#define endl '\n'
#define all(v) (v).begin(),(v).end()

using namespace std;

const int N = 200005;

int n, q, s, t;
int a[N];
ll b[N];

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

int main() {
    ios_base :: sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n >> q >> s >> t;
    for (int i = 0; i <= n; i++) {
        cin >> a[i];
    }
    ll res = 0;
    for (int i = 1; i <= n; i++) {
        b[i] = -a[i] + a[i - 1];
        res += get(b[i]);
    }
    while(q--) {
        int l, r, x;
        cin >> l >> r >> x;
        res -= get(b[l]);
        b[l] -= x;
        res += get(b[l]);
        if (r < n) {
            res -= get(b[r + 1]);
            b[r + 1] += x;
            res += get(b[r + 1]);
        }
        cout << res << endl;
    }
    return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 508 KB Output is correct
4 Correct 4 ms 504 KB Output is correct
5 Correct 4 ms 504 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 552 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 141 ms 6236 KB Output is correct
2 Correct 140 ms 5776 KB Output is correct
3 Correct 146 ms 6392 KB Output is correct
4 Correct 133 ms 5496 KB Output is correct
5 Correct 141 ms 6380 KB Output is correct
6 Correct 120 ms 6776 KB Output is correct
7 Correct 113 ms 6860 KB Output is correct
8 Correct 143 ms 6776 KB Output is correct
9 Correct 146 ms 7032 KB Output is correct
10 Correct 142 ms 5736 KB Output is correct
11 Correct 107 ms 6932 KB Output is correct
12 Correct 112 ms 7288 KB Output is correct
13 Correct 113 ms 7656 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 508 KB Output is correct
4 Correct 4 ms 504 KB Output is correct
5 Correct 4 ms 504 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 552 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 504 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 141 ms 6236 KB Output is correct
23 Correct 140 ms 5776 KB Output is correct
24 Correct 146 ms 6392 KB Output is correct
25 Correct 133 ms 5496 KB Output is correct
26 Correct 141 ms 6380 KB Output is correct
27 Correct 120 ms 6776 KB Output is correct
28 Correct 113 ms 6860 KB Output is correct
29 Correct 143 ms 6776 KB Output is correct
30 Correct 146 ms 7032 KB Output is correct
31 Correct 142 ms 5736 KB Output is correct
32 Correct 107 ms 6932 KB Output is correct
33 Correct 112 ms 7288 KB Output is correct
34 Correct 113 ms 7656 KB Output is correct
35 Correct 138 ms 5392 KB Output is correct
36 Correct 142 ms 6804 KB Output is correct
37 Correct 146 ms 7544 KB Output is correct
38 Correct 143 ms 7416 KB Output is correct
39 Correct 145 ms 7416 KB Output is correct
40 Correct 148 ms 7416 KB Output is correct
41 Correct 143 ms 7212 KB Output is correct
42 Correct 146 ms 7288 KB Output is correct
43 Correct 141 ms 6520 KB Output is correct
44 Correct 144 ms 6924 KB Output is correct
45 Correct 139 ms 6720 KB Output is correct
46 Correct 145 ms 7432 KB Output is correct
47 Correct 116 ms 7488 KB Output is correct
48 Correct 118 ms 7728 KB Output is correct
49 Correct 126 ms 6608 KB Output is correct
50 Correct 113 ms 7472 KB Output is correct
51 Correct 115 ms 7416 KB Output is correct
52 Correct 111 ms 7388 KB Output is correct