程式語言 - LeetCode - C - 1137. N-th Tribonacci Number



參考資訊:
https://www.cnblogs.com/grandyang/p/14864666.html

題目:


解答:

int tribonacci(int n)
{
    int c0 = 0;
    int c1 = 1;
    int c2 = 1;
    int i = 0;
 
    if (n < 2) {
        return n;
    }
     
    for (i = 2; i < n; i++) {
        int t = c0;
 
        c0 = c1;
        c1 = c2;
        c2 = t + c0 + c1;
    }
 
    return c2;
}