标签:interview
int ways(int sum, int n, int cent) // cent is maxCent allow to use.
{
if (sum == n)
return 1; // this way is good.
if (sum > n)
return 0; // this way is bad.
int ways;
// sum < n
if (cent >= 25)
ways += ways(sum + 25, n , 25);
if (cent >= 10)
ways += ways(sum + 10, n , 10);
if (cent >= 5)
ways += ways(sum + 5, n, 5);
if (cent >= 1)
ways += ways(sum + 1, n, 1);
return ways;
}标签:interview
原文地址:http://7371901.blog.51cto.com/7361901/1589692