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Submission #877450

# Submission time Handle Problem Language Result Execution time Memory
877450 2023-11-23T08:43:02 Z Beerus13 Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 84 ms 11604 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<ll, int>
#define fi first
#define se second
const int N = 2e5 + 5;

ll n, q, s, t, ans = 0;
ll kc[N];

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n >> q >> s >> t;
    int pre_val;
    for(int i = 0; i <= n; ++i) {
        int x; cin >> x; 
        if(i) {
            kc[i] = pre_val - x;
            if(kc[i] >= 0) ans += t * kc[i];
            else ans += s * kc[i];
        }
        pre_val = x;
    }
    while(q--) {
        int l, r, x; cin >> l >> r >> x;
        if(kc[l] >= 0) ans -= kc[l] * t;
        else ans -= kc[l] * s;
        kc[l] -= x;
        if(kc[l] >= 0) ans += kc[l] * t;
        else ans += kc[l] * s;

        if(r < n) {
            if(kc[r + 1] >= 0) ans -= kc[r + 1] * t;
            else ans -= kc[r + 1] * s;
            kc[r + 1] += x;
            if(kc[r + 1] >= 0) ans += kc[r + 1] * t;
            else ans += kc[r + 1] * s;
        }
        cout << ans << '\n';
    }
    return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 3276 KB Output is correct
2 Correct 75 ms 4176 KB Output is correct
3 Correct 70 ms 4484 KB Output is correct
4 Correct 70 ms 9284 KB Output is correct
5 Correct 69 ms 10576 KB Output is correct
6 Correct 66 ms 9532 KB Output is correct
7 Correct 64 ms 9556 KB Output is correct
8 Correct 72 ms 10324 KB Output is correct
9 Correct 74 ms 10564 KB Output is correct
10 Correct 84 ms 9456 KB Output is correct
11 Correct 59 ms 9460 KB Output is correct
12 Correct 68 ms 10260 KB Output is correct
13 Correct 65 ms 10224 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 72 ms 3276 KB Output is correct
23 Correct 75 ms 4176 KB Output is correct
24 Correct 70 ms 4484 KB Output is correct
25 Correct 70 ms 9284 KB Output is correct
26 Correct 69 ms 10576 KB Output is correct
27 Correct 66 ms 9532 KB Output is correct
28 Correct 64 ms 9556 KB Output is correct
29 Correct 72 ms 10324 KB Output is correct
30 Correct 74 ms 10564 KB Output is correct
31 Correct 84 ms 9456 KB Output is correct
32 Correct 59 ms 9460 KB Output is correct
33 Correct 68 ms 10260 KB Output is correct
34 Correct 65 ms 10224 KB Output is correct
35 Correct 78 ms 9164 KB Output is correct
36 Correct 75 ms 10324 KB Output is correct
37 Correct 74 ms 11088 KB Output is correct
38 Correct 75 ms 10832 KB Output is correct
39 Correct 73 ms 10984 KB Output is correct
40 Correct 74 ms 10836 KB Output is correct
41 Correct 74 ms 10836 KB Output is correct
42 Correct 74 ms 10832 KB Output is correct
43 Correct 72 ms 10068 KB Output is correct
44 Correct 73 ms 10424 KB Output is correct
45 Correct 69 ms 10576 KB Output is correct
46 Correct 80 ms 11604 KB Output is correct
47 Correct 63 ms 10032 KB Output is correct
48 Correct 67 ms 10068 KB Output is correct
49 Correct 61 ms 9040 KB Output is correct
50 Correct 61 ms 9860 KB Output is correct
51 Correct 61 ms 10320 KB Output is correct
52 Correct 60 ms 10064 KB Output is correct