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Submission #867658

# Submission time Handle Problem Language Result Execution time Memory
867658 2023-10-29T04:45:28 Z MongHwa Foehn Phenomena (JOI17_foehn_phenomena) C++17
100 / 100
 96 ms 13244 KB 
#include <iostream>
using namespace std;

#define ll long long

ll arr[200001], diff[200001];

int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);

	int n, q; ll s, t;
	cin >> n >> q >> s >> t;

	for(int i = 0; i <= n; i++)
		cin >> arr[i];

	ll neg = 0, pos = 0;
	for(int i = 0; i < n; i++)
	{
		diff[i] = arr[i]-arr[i+1];
		if(diff[i] < 0)
			neg -= diff[i];
		else
			pos += diff[i];
	}

	while(q--)
	{
		int l, r; ll d;
		cin >> l >> r >> d;

		if(diff[l-1] < 0)
			neg += diff[l-1];
		else
			pos -= diff[l-1];

		if(r < n && diff[r] < 0)
			neg += diff[r];
		else if(r < n)
			pos -= diff[r];

		diff[l-1] -= d;
		diff[r] += d;

		if(diff[l-1] < 0)
			neg -= diff[l-1];
		else
			pos += diff[l-1];

		if(r < n && diff[r] < 0)
			neg -= diff[r];
		else if(r < n)
			pos += diff[r];

		cout << -neg*s + pos*t << '\n';
	}
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2524 KB Output is correct
6 Correct 2 ms 2524 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 2 ms 2392 KB Output is correct
10 Correct 1 ms 2532 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 2 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2512 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 10324 KB Output is correct
2 Correct 75 ms 11016 KB Output is correct
3 Correct 78 ms 11604 KB Output is correct
4 Correct 70 ms 10836 KB Output is correct
5 Correct 83 ms 11992 KB Output is correct
6 Correct 76 ms 11348 KB Output is correct
7 Correct 90 ms 10936 KB Output is correct
8 Correct 78 ms 11836 KB Output is correct
9 Correct 79 ms 12112 KB Output is correct
10 Correct 76 ms 10904 KB Output is correct
11 Correct 63 ms 10856 KB Output is correct
12 Correct 67 ms 11704 KB Output is correct
13 Correct 70 ms 12108 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2524 KB Output is correct
6 Correct 2 ms 2524 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 2 ms 2392 KB Output is correct
10 Correct 1 ms 2532 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 2 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2512 KB Output is correct
20 Correct 1 ms 2392 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 76 ms 10324 KB Output is correct
23 Correct 75 ms 11016 KB Output is correct
24 Correct 78 ms 11604 KB Output is correct
25 Correct 70 ms 10836 KB Output is correct
26 Correct 83 ms 11992 KB Output is correct
27 Correct 76 ms 11348 KB Output is correct
28 Correct 90 ms 10936 KB Output is correct
29 Correct 78 ms 11836 KB Output is correct
30 Correct 79 ms 12112 KB Output is correct
31 Correct 76 ms 10904 KB Output is correct
32 Correct 63 ms 10856 KB Output is correct
33 Correct 67 ms 11704 KB Output is correct
34 Correct 70 ms 12108 KB Output is correct
35 Correct 74 ms 10320 KB Output is correct
36 Correct 93 ms 11872 KB Output is correct
37 Correct 81 ms 12880 KB Output is correct
38 Correct 78 ms 12372 KB Output is correct
39 Correct 96 ms 12544 KB Output is correct
40 Correct 77 ms 12556 KB Output is correct
41 Correct 78 ms 12368 KB Output is correct
42 Correct 81 ms 12368 KB Output is correct
43 Correct 77 ms 11612 KB Output is correct
44 Correct 78 ms 12116 KB Output is correct
45 Correct 73 ms 12068 KB Output is correct
46 Correct 76 ms 13244 KB Output is correct
47 Correct 74 ms 11932 KB Output is correct
48 Correct 67 ms 11692 KB Output is correct
49 Correct 65 ms 10816 KB Output is correct
50 Correct 66 ms 11600 KB Output is correct
51 Correct 66 ms 11860 KB Output is correct
52 Correct 65 ms 11604 KB Output is correct