oj.uz

Submission #245053

# Submission time Handle Problem Language Result Execution time Memory
245053 2020-07-05T11:28:50 Z ld_minh4354 Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 172 ms 11640 KB 
#include<bits/stdc++.h>
using namespace std;

#define int long long
#define fi first
#define se second
#define pb push_back

int n,q,s,t,a[200010],l,r,x,ans,p,i;

signed main()
{
    ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	cin>>n>>q>>s>>t;
	for (i=0;i<n+1;i++) cin>>a[i];
	for (i=n;i>0;i--) a[i]=a[i-1]-a[i];
	//for (i=1;i<n+1;i++) cout<<a[i]<<" ";
	ans=0;for (i=1;i<n+1;i++) if (a[i]>0) ans=ans+t*(a[i]);else ans=ans+s*a[i];
	//cout<<ans;
	for (i=1;i<q+1;i++)
	{
		cin>>l>>r>>x;
		p=a[l];a[l]=a[l]-x;
		if (p<0)
		{
			if (a[l]>0) ans=ans-p*s+a[l]*t;
			else ans=ans-x*s;
		}
		else
		{
			if (a[l]<0) ans=ans-p*t+a[l]*s;
			else ans=ans-x*t;
		}
		if (r<n)
		{
			p=a[r+1];a[r+1]=a[r+1]+x;
			if (p<0)
			{
				if (a[r+1]>0) ans=ans-p*s+a[r+1]*t;
				else ans=ans+x*s;
			}
			else
			{
				if (a[r+1]<0) ans=ans-p*t+a[r+1]*s;
				else ans=ans+x*t;
			}
		}
		cout<<ans<<"\n";
	}
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 512 KB Output is correct
2 Correct 6 ms 384 KB Output is correct
3 Correct 6 ms 512 KB Output is correct
4 Correct 6 ms 512 KB Output is correct
5 Correct 7 ms 512 KB Output is correct
6 Correct 7 ms 384 KB Output is correct
7 Correct 7 ms 384 KB Output is correct
8 Correct 7 ms 512 KB Output is correct
9 Correct 7 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 7 ms 512 KB Output is correct
13 Correct 6 ms 384 KB Output is correct
14 Correct 6 ms 512 KB Output is correct
15 Correct 7 ms 384 KB Output is correct
16 Correct 6 ms 512 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 146 ms 8800 KB Output is correct
2 Correct 137 ms 9336 KB Output is correct
3 Correct 158 ms 9952 KB Output is correct
4 Correct 165 ms 9312 KB Output is correct
5 Correct 150 ms 10464 KB Output is correct
6 Correct 117 ms 9516 KB Output is correct
7 Correct 119 ms 9592 KB Output is correct
8 Correct 157 ms 10360 KB Output is correct
9 Correct 148 ms 10616 KB Output is correct
10 Correct 155 ms 9336 KB Output is correct
11 Correct 172 ms 9464 KB Output is correct
12 Correct 132 ms 10232 KB Output is correct
13 Correct 107 ms 10364 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 512 KB Output is correct
2 Correct 6 ms 384 KB Output is correct
3 Correct 6 ms 512 KB Output is correct
4 Correct 6 ms 512 KB Output is correct
5 Correct 7 ms 512 KB Output is correct
6 Correct 7 ms 384 KB Output is correct
7 Correct 7 ms 384 KB Output is correct
8 Correct 7 ms 512 KB Output is correct
9 Correct 7 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 7 ms 512 KB Output is correct
13 Correct 6 ms 384 KB Output is correct
14 Correct 6 ms 512 KB Output is correct
15 Correct 7 ms 384 KB Output is correct
16 Correct 6 ms 512 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 6 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 146 ms 8800 KB Output is correct
23 Correct 137 ms 9336 KB Output is correct
24 Correct 158 ms 9952 KB Output is correct
25 Correct 165 ms 9312 KB Output is correct
26 Correct 150 ms 10464 KB Output is correct
27 Correct 117 ms 9516 KB Output is correct
28 Correct 119 ms 9592 KB Output is correct
29 Correct 157 ms 10360 KB Output is correct
30 Correct 148 ms 10616 KB Output is correct
31 Correct 155 ms 9336 KB Output is correct
32 Correct 172 ms 9464 KB Output is correct
33 Correct 132 ms 10232 KB Output is correct
34 Correct 107 ms 10364 KB Output is correct
35 Correct 140 ms 8952 KB Output is correct
36 Correct 141 ms 10360 KB Output is correct
37 Correct 163 ms 11260 KB Output is correct
38 Correct 146 ms 10872 KB Output is correct
39 Correct 138 ms 10872 KB Output is correct
40 Correct 147 ms 10908 KB Output is correct
41 Correct 161 ms 10744 KB Output is correct
42 Correct 147 ms 10876 KB Output is correct
43 Correct 136 ms 10104 KB Output is correct
44 Correct 152 ms 10488 KB Output is correct
45 Correct 160 ms 10652 KB Output is correct
46 Correct 164 ms 11640 KB Output is correct
47 Correct 113 ms 10104 KB Output is correct
48 Correct 108 ms 10104 KB Output is correct
49 Correct 132 ms 9208 KB Output is correct
50 Correct 121 ms 10068 KB Output is correct
51 Correct 116 ms 10360 KB Output is correct
52 Correct 105 ms 10232 KB Output is correct