hacker, C++ (gcc) - rextester

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

#define mem(A) memset(A,0,sizeof(A))
#define loop(i,a,n) for(i=a;i<n;i++)
#define pb push_back
#define mkp make_pair
#define prq priority_queue
#define fir first
#define sec second
#define all(A) A.begin(),A.end()
#define mod 1000000007

typedef long long ll;

int main()
{   freopen("input.txt", "r", stdin);
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);

ll n,i,c=0,x,pos,ans=0;
    pair<ll,ll> a,b,t;
    priority_queue<pair<ll,ll>,vector<pair<ll,ll>>,greater<pair<ll,ll>>> q;
    cin>>n;
    ll D[100]={0};
    ll j,A[100];
    loop(i,0,n)
     cin>>A[i];
    q.push(mkp(A[0],0));
    q.push(mkp(A[1],1));
    q.push(mkp(A[2],2));

a=q.top();
        q.pop();
        b=q.top();
        q.pop();
        t=q.top();
        q.push(b);
        q.push(a);
        i=3;
     while(a.fir+b.fir<t.fir)
        {
            q.pop();
            if(i==n)
                break;
            q.push(mkp(A[i],i));
            a=q.top();
            q.pop();
            b=q.top();
            q.pop();
            t=q.top();
            q.push(a);
            q.push(b);

i++;
        }
    ll last=0;
    for(;i<n;i++)
    {
        a=q.top();
        q.pop();
        b=q.top();
        q.push(a);
        if(a.fir+b.fir>=A[i])
        {
            c++;

}
        else
        {
            loop(j,last,a.sec+1)
                D[j]=c>0?c--:0;
            q.pop();
            last=a.sec+1;
            a=q.top();
            q.pop();
            b=q.top();
            q.push(a);
            while(a.fir+b.fir<A[i])
            {
                D[a.sec]=c>0?c--:0;
            last=a.sec+1;

q.pop();
                if(q.size()==2)
                    break;

a=q.top();
                q.pop();
                b=q.top();
                q.push(a);
            }
            c=2;
        }
        q.push(mkp(A[i],i));

}
    loop(i,last,n-2)
     D[i]=c--;
    loop(i,0,n)
     cout<<D[i]<<endl;
}

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Compilation time: 1.93 sec, absolute running time: 0.27 sec, cpu time: 0.2 sec, memory peak: 3 Mb, absolute service time: 2,21 sec