55 lines
1.0 KiB
C++
55 lines
1.0 KiB
C++
#include <bits/stdc++.h>
|
|
using namespace std;
|
|
#define ll long long
|
|
#define endl '\n'
|
|
ll pow(ll x,ll y,ll m=1e9+7){ll ans=1;x%=m;while(y){if(y&1)ans=(ans*x)%m;x=(x*x)%m;y>>=1;}return ans;}
|
|
|
|
vector<ll> nums(ll n)
|
|
{
|
|
vector<ll> v;
|
|
for (ll i = 2; i * i <= n; ++i)
|
|
{
|
|
while (n % i == 0)
|
|
{
|
|
v.push_back(i);
|
|
n /= i;
|
|
}
|
|
}
|
|
if (n != 1)
|
|
v.push_back(n);
|
|
return v;
|
|
}
|
|
|
|
void solve()
|
|
{
|
|
ll x, y, z, k;
|
|
cin >> x >> y >> z >> k;
|
|
ll mx=0;
|
|
for(ll a=1; a<=x; ++a)
|
|
{
|
|
for(ll b=1; b<=y; ++b)
|
|
{
|
|
if(k%(a*b)) continue;
|
|
ll c=k/(a*b);
|
|
if(c<=z && a*b*c==k)
|
|
{
|
|
ll ct=(x-a+1)*(y-b+1)*(z-c+1);
|
|
mx=max(ct,mx);
|
|
}
|
|
}
|
|
}
|
|
cout<<mx<<endl;
|
|
}
|
|
|
|
|
|
signed main()
|
|
{
|
|
ios_base::sync_with_stdio(false), cin.tie(nullptr);
|
|
int TCS = 1;
|
|
cin >> TCS;
|
|
for (int TC = 1; TC <= TCS; ++TC)
|
|
{
|
|
// cout<<"Case "<<TC<<": ";
|
|
solve();
|
|
}
|
|
} |