private static Input generateInput() {
int m = 10;
int n = 5;
Input input = new Input();
// generate element for A and B in alternative pattern,
// i.e. A contains odd number, B contains even number
input.m = m;
input.A = new int[m + n]; // reverse enough buffer for B
for (int i = 0; i < m; i++) input.A[i] = 2 * i + 1; // odd number
input.n = n;
input.B = new int[n];
for (int i = 0; i < n; i++) input.B[i] = 2 * i; // even number
return input;
}
