oj.uz

Submission #209972

# Submission time Handle Problem Language Result Execution time Memory
209972 2020-03-16T07:07:20 Z AlainSu Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 831 ms 13176 KB 
#include<bits/stdc++.h>
using namespace std;
const int MAXN=200200;
long long n,q,s,t,d[MAXN]={},a[MAXN]={},ans=0;
void output();
void input()
{
	cin>>n>>q>>s>>t;
	for (int i=0;i<=n;i++)
	    cin>>a[i];
	for (int i=1;i<=n;i++)
	{
		d[i]=a[i]-a[i-1];
		if (d[i]>0) 
		    ans-=d[i]*s;
		else ans-=d[i]*t;
	}
}
void process(long long l,long long r,long long v)
{
	long long ndl=d[l]+v,ndr=d[r]-v;
	if (d[l]<=0 && ndl<=0) ans+=(d[l]-ndl)*t;
	if (d[l]<=0 && ndl>0) ans=ans-ndl*s+d[l]*t;
	if (d[l]>0 && ndl<=0) ans=ans-ndl*t+d[l]*s;
	if (d[l]>0 && ndl>0) ans+=(d[l]-ndl)*s;
	
	if (r<=n)
	{
	    if (d[r]<=0 && ndr<=0) ans+=(d[r]-ndr)*t;
		if (d[r]<=0 && ndr>0) ans=ans-ndr*s+d[r]*t;
		if (d[r]>0 && ndr<=0) ans=ans-ndr*t+d[r]*s;
		if (d[r]>0 && ndr>0) ans+=(d[r]-ndr)*s;
	} 
	d[l]+=v;
	d[r]-=v;
}
void output()
{
	cout<<ans<<endl;
}
int main()
{
	int x,y,v;
	input();
	for (int i=1;i<=q;i++)
	{
		cin>>x>>y>>v;
		process(x,y+1,v);
		output();
	}
	return 0;
 }

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 376 KB Output is correct
2 Correct 12 ms 376 KB Output is correct
3 Correct 13 ms 380 KB Output is correct
4 Correct 12 ms 376 KB Output is correct
5 Correct 13 ms 376 KB Output is correct
6 Correct 13 ms 376 KB Output is correct
7 Correct 13 ms 376 KB Output is correct
8 Correct 12 ms 376 KB Output is correct
9 Correct 12 ms 376 KB Output is correct
10 Correct 12 ms 376 KB Output is correct
11 Correct 12 ms 376 KB Output is correct
12 Correct 13 ms 504 KB Output is correct
13 Correct 12 ms 376 KB Output is correct
14 Correct 13 ms 504 KB Output is correct
15 Correct 12 ms 376 KB Output is correct
16 Correct 12 ms 504 KB Output is correct
17 Correct 13 ms 376 KB Output is correct
18 Correct 12 ms 504 KB Output is correct
19 Correct 4 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 792 ms 4856 KB Output is correct
2 Correct 819 ms 5496 KB Output is correct
3 Correct 808 ms 6136 KB Output is correct
4 Correct 791 ms 5240 KB Output is correct
5 Correct 818 ms 12024 KB Output is correct
6 Correct 770 ms 11128 KB Output is correct
7 Correct 766 ms 11128 KB Output is correct
8 Correct 824 ms 11896 KB Output is correct
9 Correct 822 ms 12152 KB Output is correct
10 Correct 820 ms 10976 KB Output is correct
11 Correct 757 ms 10908 KB Output is correct
12 Correct 760 ms 11672 KB Output is correct
13 Correct 768 ms 12060 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 12 ms 376 KB Output is correct
3 Correct 13 ms 380 KB Output is correct
4 Correct 12 ms 376 KB Output is correct
5 Correct 13 ms 376 KB Output is correct
6 Correct 13 ms 376 KB Output is correct
7 Correct 13 ms 376 KB Output is correct
8 Correct 12 ms 376 KB Output is correct
9 Correct 12 ms 376 KB Output is correct
10 Correct 12 ms 376 KB Output is correct
11 Correct 12 ms 376 KB Output is correct
12 Correct 13 ms 504 KB Output is correct
13 Correct 12 ms 376 KB Output is correct
14 Correct 13 ms 504 KB Output is correct
15 Correct 12 ms 376 KB Output is correct
16 Correct 12 ms 504 KB Output is correct
17 Correct 13 ms 376 KB Output is correct
18 Correct 12 ms 504 KB Output is correct
19 Correct 4 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 792 ms 4856 KB Output is correct
23 Correct 819 ms 5496 KB Output is correct
24 Correct 808 ms 6136 KB Output is correct
25 Correct 791 ms 5240 KB Output is correct
26 Correct 818 ms 12024 KB Output is correct
27 Correct 770 ms 11128 KB Output is correct
28 Correct 766 ms 11128 KB Output is correct
29 Correct 824 ms 11896 KB Output is correct
30 Correct 822 ms 12152 KB Output is correct
31 Correct 820 ms 10976 KB Output is correct
32 Correct 757 ms 10908 KB Output is correct
33 Correct 760 ms 11672 KB Output is correct
34 Correct 768 ms 12060 KB Output is correct
35 Correct 818 ms 10380 KB Output is correct
36 Correct 816 ms 11896 KB Output is correct
37 Correct 796 ms 12664 KB Output is correct
38 Correct 808 ms 12408 KB Output is correct
39 Correct 818 ms 12536 KB Output is correct
40 Correct 818 ms 12408 KB Output is correct
41 Correct 820 ms 12256 KB Output is correct
42 Correct 793 ms 12408 KB Output is correct
43 Correct 801 ms 11640 KB Output is correct
44 Correct 821 ms 12024 KB Output is correct
45 Correct 811 ms 12152 KB Output is correct
46 Correct 831 ms 13176 KB Output is correct
47 Correct 765 ms 11768 KB Output is correct
48 Correct 761 ms 11768 KB Output is correct
49 Correct 759 ms 10744 KB Output is correct
50 Correct 728 ms 11512 KB Output is correct
51 Correct 780 ms 11896 KB Output is correct
52 Correct 747 ms 11640 KB Output is correct