Submission #1098742

#	Time	Username	Problem	Language	Result	Execution time	Memory
1098742		Abito	Split the sequence (APIO14_sequence)	C++17	0 / 100	8 ms	3420 KiB

sequence

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
#define int long long
#define ll long long
typedef unsigned long long ull;
using namespace std;
const int N=1e5+5;
int a[N],b[N],n,k,p[N],s[N],ans;
vector<int> v;
int32_t main(){
	ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
	cin>>n>>k;
	for (int i=1;i<=n;i++) cin>>a[i];
	for (int t=1;t<=k;t++){
		for (int i=1;i<=n;i++){
			p[i]=a[i];
			if (b[i-1]==b[i]) p[i]+=p[i-1];
		}
		for (int i=n;i;i--){
			s[i]=a[i];
			if (b[i+1]==b[i] && i<n) s[i]+=s[i+1];
		}
		//for (int i=1;i<=n;i++) cout<<p[i]<<' ';cout<<endl;
		int best,mx=-1;
		for (int i=1;i<n;i++){
			if (b[i+1]!=b[i]) continue;
			if (p[i]*s[i+1]>=mx) mx=p[i]*s[i+1],best=i;
		}
		v.pb(best);
		ans+=mx;
		for (int i=best+1;b[i]==b[best] && i<=n;i++) b[i]=t;
	}
	cout<<ans<<endl;
	for (auto u:v) cout<<u<<' ';
	return 0;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 17
• Subtask 5: 0 / 21
• Subtask 6: 0 / 29