1/*
2 * Copyright 2020, Data61, CSIRO (ABN 41 687 119 230)
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7unsigned loop(unsigned dog, unsigned cat, unsigned mouse, unsigned horse)
8{
9    unsigned iterations = 0;
10    while (dog > 0 || cat > 0 || mouse > 0 || horse > 0) {
11        if (dog > horse) {
12            dog--;
13        } else if (horse > mouse) {
14            horse--;
15        } else if (cat > 0) {
16            cat--;
17        } else if (mouse > 0) {
18            mouse--;
19        } else if (dog > 0) {
20            dog--;
21        } else {
22            horse--;
23        }
24        iterations++;
25    }
26    return iterations;
27}
28
29