WA in BUILDING

[DJDANG]

I have tried every single case that has come to my mind and I don´t see what's wrong.
Could someone tell what's wrong with my code? I think it might be the output

#include<iostream>
#include<cstring>
using namespace std;
int edificios;
long long res[100001];
long long problem[100001];
void solucionar(long long beg, long long end, long long lev)
{
    long long mini = 100000;
    for (long long i = beg; i < end; i++)
    {
        if (problem[i] - lev < mini) mini = problem[i] - lev;
    }
    if (end - beg == 1)
    {
        res[beg] += mini;
        return;
    }
    long long indis = beg;
    bool llamado = true;
    for (long long i = beg; i < end; i++)
    {
        res[i] += (end - beg - (i - beg) ) * ((i - beg) + 1) * mini;
        if(llamado && (problem[i] - lev - mini) > 0)
        {
            indis = i;
            llamado = false;
        }
        if (!llamado && (problem[i+1] - lev - mini) <= 0)
        {
            solucionar(indis, i+1, lev+mini);
            llamado = true;
        }
    }
}
int main()
{
    cin >> edificios;
    for (int i = 0; i < edificios; i++)
{
    cin >> problem[i];
}
problem[edificios] = 0;
memset(res, 0, sizeof(res));
solucionar(0, edificios, 0);

for (int i = 0; i < edificios; i++)
{
    if (i > 0)
        cout << " ";
    cout << res[i];
}

return 0;
}