include <bits/stdc++.h> using namespace std; unsigned int _array[100005]; unsigned int _array_2[11][7]; int main() { int num; cin>>num; long long count = 0; for (int k = 0; k < num; ++k) { int tmep; scanf("%d",&_array[k]); int x = log10(_array[k])+1; int y = _...