90分求助

#include <bits/stdc++.h>
using namespace std;
long long n,x,sss,i = 2,t = 1;
int a[10005];
int s[10005];
void jc(int x)
{
    for(int i = 1;i <= t;i ++)
    {
        s[i] = s[i] * x;
    }
    for(int i = 1;i <= t;i ++)
    {
        if(s[i] >= 10)
        {
            long long add = s[i] / 10;
            s[i + 1] += add;
            s[i] = s[i] % 10;
            if(i + 1 > t) t = i + 1;
        }
    }
}
int main()
{
    s[1] = 1;
    cin >> n;
    while(sss < n)
    {
        a[++ x] = i;
        sss += i;
        i ++;
    }
    a[sss - n - 1] = 0;
    for(int i = 1;i <= x;i ++)
    {
        if(a[i] != 0) cout << a[i] << " ";
        if(a[i] != 0) jc(a[i]);
    }
    cout << endl;
    for(int i = t;i >= 1;i --)
    {
        cout << s[i];
    }
    cout << endl;
    return 0;
}