#define _USE_MATH_DEFINES #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include typedef long long int ll; //#include using namespace std; int main() { int Q; Q = 1; //cin >> Q; while (Q--) { int n; cin >> n; vectora(n),b(n); for (int i = 0; i < n; i++) { cin >> a[i]; } int ans = 0; for (int i = 0; i < n; i++) { cin >> b[i]; if (b[i] >= a[i])ans++; } cout << ans; } return 0; }