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Submission #384225

# Submission time Handle Problem Language Result Execution time Memory
384225 2021-03-31T19:53:40 Z aryan12 Foehn Phenomena (JOI17_foehn_phenomena) C++17
100 / 100
 158 ms 13164 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

void Solve() {
	int n, q, dec, inc;
	cin >> n >> q >> dec >> inc;
	int a[n + 1], diff[n + 1];
	for(int i = 0; i <= n; i++) {
		cin >> a[i];
		diff[i] = 0;
	}
	int curAns = 0;
	for(int i = 1; i <= n; i++) {
		diff[i] = a[i] - a[i - 1];
		if(a[i] <= a[i - 1]) {
			curAns += inc * (a[i - 1] - a[i]);
		}
		else {
			curAns -= dec * (a[i] - a[i - 1]);
		}
	}
	for(int i = 1; i <= q; i++) {
		int l, r, x;
		cin >> l >> r >> x;
		curAns -= (diff[l] <= 0) ? (inc * (-diff[l])) : -(dec * diff[l]);
		diff[l] += x;
		curAns += (diff[l] <= 0) ? (inc * (-diff[l])) : -(dec * diff[l]);
		if(r != n) {
			curAns -= (diff[r + 1] <= 0) ? (inc * (-diff[r + 1])) : -(dec * diff[r + 1]);
			diff[r + 1] -= x;
			curAns += (diff[r + 1] <= 0) ? (inc * (-diff[r + 1])) : -(dec * diff[r + 1]);
		}
		cout << curAns << "\n";
	}
}

int32_t main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	Solve();
	return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 492 KB Output is correct
2 Correct 3 ms 492 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 2 ms 492 KB Output is correct
17 Correct 3 ms 512 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 10348 KB Output is correct
2 Correct 118 ms 11116 KB Output is correct
3 Correct 122 ms 11500 KB Output is correct
4 Correct 115 ms 10860 KB Output is correct
5 Correct 158 ms 12012 KB Output is correct
6 Correct 104 ms 11116 KB Output is correct
7 Correct 99 ms 11116 KB Output is correct
8 Correct 118 ms 11884 KB Output is correct
9 Correct 124 ms 12268 KB Output is correct
10 Correct 117 ms 10988 KB Output is correct
11 Correct 100 ms 10988 KB Output is correct
12 Correct 102 ms 11756 KB Output is correct
13 Correct 102 ms 11892 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 492 KB Output is correct
2 Correct 3 ms 492 KB Output is correct
3 Correct 2 ms 492 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 2 ms 492 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 2 ms 492 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 2 ms 492 KB Output is correct
16 Correct 2 ms 492 KB Output is correct
17 Correct 3 ms 512 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 114 ms 10348 KB Output is correct
23 Correct 118 ms 11116 KB Output is correct
24 Correct 122 ms 11500 KB Output is correct
25 Correct 115 ms 10860 KB Output is correct
26 Correct 158 ms 12012 KB Output is correct
27 Correct 104 ms 11116 KB Output is correct
28 Correct 99 ms 11116 KB Output is correct
29 Correct 118 ms 11884 KB Output is correct
30 Correct 124 ms 12268 KB Output is correct
31 Correct 117 ms 10988 KB Output is correct
32 Correct 100 ms 10988 KB Output is correct
33 Correct 102 ms 11756 KB Output is correct
34 Correct 102 ms 11892 KB Output is correct
35 Correct 114 ms 10476 KB Output is correct
36 Correct 131 ms 11940 KB Output is correct
37 Correct 125 ms 12780 KB Output is correct
38 Correct 125 ms 12524 KB Output is correct
39 Correct 130 ms 12600 KB Output is correct
40 Correct 119 ms 12524 KB Output is correct
41 Correct 122 ms 12268 KB Output is correct
42 Correct 128 ms 12524 KB Output is correct
43 Correct 125 ms 11628 KB Output is correct
44 Correct 122 ms 12140 KB Output is correct
45 Correct 118 ms 12140 KB Output is correct
46 Correct 133 ms 13164 KB Output is correct
47 Correct 102 ms 11756 KB Output is correct
48 Correct 102 ms 11756 KB Output is correct
49 Correct 105 ms 10732 KB Output is correct
50 Correct 110 ms 11628 KB Output is correct
51 Correct 117 ms 11884 KB Output is correct
52 Correct 99 ms 11756 KB Output is correct