#include using namespace std; using ll=long long; #define rep2(i, a, n) for(int i = (a); i < (n); i++) #define rep(i, n) rep2(i,0,n) template vector DIVISOR(T n) { vector v; for (T i = 1; i * i <= n; ++i) { if (n % i == 0) { v.push_back(i); if (i != n / i) { v.push_back(n / i); } } } sort(v.begin(), v.end()); return v; } int main(){ cin.tie(nullptr);ios_base::sync_with_stdio(false); int n;cin>>n; vector a(n); rep(i,n)cin>>a[i]; int sumV=accumulate(a.begin(),a.end(),0); auto divisors = DIVISOR(sumV); int ans=0; for(auto x:divisors){ bool good=true; for(int i=0,j=0;j