제출 #950097

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
950097		vjudge1	Sjeckanje (COCI21_sjeckanje)	C++17	55 / 110	2016 ms	5172 KiB

Main

#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);
    int n,q;
    cin>>n>>q;
    vector <int> a(n);
    for(int i=0;i<n;i++){
        cin>>a[i];
    }
    while(q--){
        int l,r,v;
        cin>>l>>r>>v;
        l--;r--;
        for(int i=l;i<=r;i++)a[i]+=v;
        vector <int> ans(n);
        int x=-a[0],y=a[0];
        for(int i=1;i<n;i++){
            x=max(x,ans[i-1]-a[i]);
            y=max(y,ans[i-1]+a[i]);
            //cout<<x<<" "<<y<<"\n";
            ans[i]=max(x+a[i],y-a[i]);
            //cout<<ans[i]<<"\n";
        }
        cout<<ans[n-1]<<"\n";
    }
    
}

/*
 
 */

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