Submission #1338932

#TimeUsernameProblemLanguageResultExecution timeMemory
1338932vtnooRastuci (COCI25_rastuci)C++20
42 / 110
1102 ms196112 KiB
#include <bits/stdc++.h>
#define V vector
#define L(i,j,k) for(int i=(j);i<=(k);i++)
#define R(i,j,k) for(int i=(j);i>=(k);i--)
#define all(x) x.begin(),x.end()
#define sz(a) ((int)a.size())
#define pb push_back
using namespace std;
typedef long long ll;

const int N=5000;
const ll I=1e18;
ll dp[N][N],pf[N];
pair<ll,ll>par[N][N];

void chmin(ll &a,ll b){
	a=min(a,b);
}

ll get(ll a,ll b){
	if(a==0)return pf[b];
	return pf[b]-pf[a-1];
}

int main(){
	int n;cin>>n;
	V<ll>v(n);
	L(i,0,n-1){
		cin>>v[i];
		pf[i]+=v[i];
		if(i)pf[i]+=pf[i-1];
	}
	if(n==1){
		cout<<0<<endl;
		cout<<v[0]<<endl;
		return 0;
	}
	L(i,0,n-1)L(j,0,n-1)dp[i][j]=I;
	dp[0][0]=0; 
	L(i,1,n-1){
		ll f=0;
		R(j,i,0){
			f+=v[j];
			if(j==0){
				if(dp[i][j]>=i-j){
					dp[i][j]=i-j;
				}
			}
			else{
				ll s=0;
				R(k,j-1,0){
					s+=v[k];
					if(f>=s){
						if(dp[i][j]>=dp[j-1][k]+(i-j)){
							dp[i][j]=dp[j-1][k]+(i-j);
						}
					}
				}
			}
		}
	}
	ll ans=I;
	pair<ll,ll>coord;
	L(i,0,n-1){
		if(ans>=dp[n-1][i]){
			ans=dp[n-1][i];
			coord={n-1,i};
		}
	}
	cout<<n-ans<<endl;
	L(i,0,n-ans-1)cout<<1<<" ";
	cout<<endl;
}
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