Submission #1039815

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
10398152024-07-31 09:41:08christinelynnAddk (eJOI21_addk)C++17
0 / 100
53 ms4748 KiB
#include <bits/stdc++.h>
#define pb push_back
#define int long long
#define repp(i,x,n) for(int i=x;i<=n;i++)
#define repo(i,x,n) for(int i=x;i>=n;i--)
#define cy cout<<"Yes"<<endl
#define cn cout<<"No"<<endl
#define r0 return 0
#define fi first
#define se second
#define mp make_pair
#define liow ios_base::sync_with_stdio(false);cin.tie(NULL)
#define jelek cout<<"jelek"<<endl
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define pi pair<pair<int,int>,pair<int,int>>
#define p3 pair<int,pair<int,int>>
#define p4 pair<pii,pii>
#define fl fflush(stdout)
#define lb long double
using namespace std;
const int mod=1e9+7,maxn=1e5+5,N=(1<<17),INF=1e18;
int arr[maxn];
int pre[maxn],pre2[maxn],suf[maxn],suf2[maxn];
void solve(){
int n,k;cin>>n>>k;
repp(i,1,n) {
cin>>arr[i];
pre[i]=pre[i-1]+arr[i];
pre2[i]=pre2[i-1]+i*arr[i];
 
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