參考資訊:
https://www.cnblogs.com/grandyang/p/8343874.html
題目:

解答:
int min(int a, int b)
{
return a > b ? b : a;
}
int minCostClimbingStairs(int *cost, int costSize)
{
int cc = 0;
int c0 = 0;
int c1 = 0;
for (cc = 0; cc < costSize; cc++) {
int t = min(c0, c1) + cost[cc];
c0 = c1;
c1 = t;
}
return min(c0, c1);
}