Submission #51541

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
51541	2018-06-18T08:51:44 Z	tung2389	Foehn Phenomena (JOI17_foehn_phenomena)	C++14	100 / 100	804 ms	7596 KB

foehn_phenomena

#include <bits/stdc++.h>
using namespace std;
long long n,q,s,t;
long long a[200010],b[200010];
long long process(long long x)
{
	if(x<0)
	return x*s;
	return x*t;
}
int main()
{
	cin >> n >> q >> s >> t;
	long long res=0;
	for(int i=0;i<=n;i++)
	{
		cin >> a[i];
	}
	for(int i=1;i<=n;i++)
	{
		b[i]=a[i-1]-a[i];
		if(b[i]<0)
		res+=b[i]*s;
		else
		res+=b[i]*t;
	}
	while(q--)
	{
		long long l,r,x;
		cin >> l >> r >> x;
		if(l!=0)
		{
			res-=process(b[l]);
			b[l]-=x;
			res+=process(b[l]);
		}
		if(r<n)
		{
			res-=process(b[r+1]);
			b[r+1]+=x;
			res+=process(b[r+1]);
		}
		cout << res << "\n";
	}
}

Subtask #1

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	376 KB	Output is correct
2	Correct	8 ms	488 KB	Output is correct
3	Correct	8 ms	488 KB	Output is correct
4	Correct	9 ms	488 KB	Output is correct
5	Correct	9 ms	488 KB	Output is correct
6	Correct	10 ms	640 KB	Output is correct
7	Correct	11 ms	688 KB	Output is correct
8	Correct	9 ms	688 KB	Output is correct
9	Correct	9 ms	688 KB	Output is correct
10	Correct	10 ms	688 KB	Output is correct
11	Correct	12 ms	688 KB	Output is correct
12	Correct	12 ms	688 KB	Output is correct
13	Correct	9 ms	688 KB	Output is correct
14	Correct	10 ms	756 KB	Output is correct
15	Correct	9 ms	756 KB	Output is correct
16	Correct	9 ms	756 KB	Output is correct
17	Correct	8 ms	756 KB	Output is correct
18	Correct	8 ms	756 KB	Output is correct
19	Correct	3 ms	756 KB	Output is correct
20	Correct	3 ms	756 KB	Output is correct
21	Correct	2 ms	764 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	698 ms	5136 KB	Output is correct
2	Correct	783 ms	5908 KB	Output is correct
3	Correct	804 ms	6420 KB	Output is correct
4	Correct	645 ms	6420 KB	Output is correct
5	Correct	673 ms	6420 KB	Output is correct
6	Correct	596 ms	6668 KB	Output is correct
7	Correct	587 ms	6712 KB	Output is correct
8	Correct	674 ms	6712 KB	Output is correct
9	Correct	704 ms	6956 KB	Output is correct
10	Correct	667 ms	6956 KB	Output is correct
11	Correct	583 ms	6956 KB	Output is correct
12	Correct	631 ms	7212 KB	Output is correct
13	Correct	610 ms	7596 KB	Output is correct

Subtask #3

60.0 / 60.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	376 KB	Output is correct
2	Correct	8 ms	488 KB	Output is correct
3	Correct	8 ms	488 KB	Output is correct
4	Correct	9 ms	488 KB	Output is correct
5	Correct	9 ms	488 KB	Output is correct
6	Correct	10 ms	640 KB	Output is correct
7	Correct	11 ms	688 KB	Output is correct
8	Correct	9 ms	688 KB	Output is correct
9	Correct	9 ms	688 KB	Output is correct
10	Correct	10 ms	688 KB	Output is correct
11	Correct	12 ms	688 KB	Output is correct
12	Correct	12 ms	688 KB	Output is correct
13	Correct	9 ms	688 KB	Output is correct
14	Correct	10 ms	756 KB	Output is correct
15	Correct	9 ms	756 KB	Output is correct
16	Correct	9 ms	756 KB	Output is correct
17	Correct	8 ms	756 KB	Output is correct
18	Correct	8 ms	756 KB	Output is correct
19	Correct	3 ms	756 KB	Output is correct
20	Correct	3 ms	756 KB	Output is correct
21	Correct	2 ms	764 KB	Output is correct
22	Correct	698 ms	5136 KB	Output is correct
23	Correct	783 ms	5908 KB	Output is correct
24	Correct	804 ms	6420 KB	Output is correct
25	Correct	645 ms	6420 KB	Output is correct
26	Correct	673 ms	6420 KB	Output is correct
27	Correct	596 ms	6668 KB	Output is correct
28	Correct	587 ms	6712 KB	Output is correct
29	Correct	674 ms	6712 KB	Output is correct
30	Correct	704 ms	6956 KB	Output is correct
31	Correct	667 ms	6956 KB	Output is correct
32	Correct	583 ms	6956 KB	Output is correct
33	Correct	631 ms	7212 KB	Output is correct
34	Correct	610 ms	7596 KB	Output is correct
35	Correct	717 ms	7596 KB	Output is correct
36	Correct	689 ms	7596 KB	Output is correct
37	Correct	710 ms	7596 KB	Output is correct
38	Correct	715 ms	7596 KB	Output is correct
39	Correct	767 ms	7596 KB	Output is correct
40	Correct	804 ms	7596 KB	Output is correct
41	Correct	686 ms	7596 KB	Output is correct
42	Correct	653 ms	7596 KB	Output is correct
43	Correct	709 ms	7596 KB	Output is correct
44	Correct	750 ms	7596 KB	Output is correct
45	Correct	670 ms	7596 KB	Output is correct
46	Correct	734 ms	7596 KB	Output is correct
47	Correct	610 ms	7596 KB	Output is correct
48	Correct	607 ms	7596 KB	Output is correct
49	Correct	659 ms	7596 KB	Output is correct
50	Correct	629 ms	7596 KB	Output is correct
51	Correct	716 ms	7596 KB	Output is correct
52	Correct	613 ms	7596 KB	Output is correct