Submission #287899

#TimeUsernameProblemLanguageResultExecution timeMemory
287899dolijanFoehn Phenomena (JOI17_foehn_phenomena)C++14
0 / 100
1088 ms2924 KiB
#include <bits/stdc++.h>
typedef long long ll;
#define pb push_back;
using namespace std;
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int n,q,s,t;
	cin>>n>>q>>s>>t;
	int a[n+1];
	for(int i=0;i<=n;i++) cin>>a[i];
	while(q--)
	{
		int l,r,x;
		cin>>l>>r>>x;
		for(int i=l;i<=r;i++) a[i]+=x;
		int wind=0;
		for(int i=0;i<n;i++)
		{
			if(a[i]<a[i+1]) wind-=(s*(a[i+1]-a[i]));
			else wind+=((a[i]-a[i+1])*t);
		}
		cout<<wind<<endl;
	}
	return 0;
}
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