Submission #1152637

#	Time	Username	Problem	Language	Result	Execution time	Memory
1152637		i271828	Sjeckanje (COCI21_sjeckanje)	C++20	0 / 110	0 ms	320 KiB

Main

#include <bits/stdc++.h>
#define ll long long
using namespace std;

const int MAX=200005;
int N=4, Q=3;
ll A[MAX]={1,2,3,4};
ll A2[MAX];

ll ans;
ll dp[MAX];

int main(){
	ios_base::sync_with_stdio(false);cin.tie(NULL);
	cin>>N>>Q;
	for (int i=0;i<N;i++) cin>>A[i];
	for (int q=0;q<Q;q++){
		int l,r,x;
		cin>>l>>r>>x;
		l--,r--;
		for (int i=l;i<=r;i++) A[i]+=x;
		
		vector<int> points;
		points.push_back(A[0]);
		for (int i=1;i<N-1;i++){
			if ((min(A[i],min(A[i-1],A[i+1]))==A[i])||(max(A[i],max(A[i-1],A[i+1]))==A[i])){
				points.push_back(A[i]);
			}
		}
		points.push_back(A[N-1]);
		dp[0]=0;
		dp[1]=abs(points[0]-points[1]);
		for (int i=2;i<points.size();i++){
			dp[i]=max(dp[i-1],dp[i-2]+abs(points[i-1]-points[i]));
		}
		cout<<dp[points.size()-1]<<'\n';
	}
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 40
• Subtask 3: 0 / 55