题解 | #斐波那契数列#
斐波那契数列
http://www.nowcoder.com/practice/c6c7742f5ba7442aada113136ddea0c3
class Solution { public: int Fibonacci(int n) { if(n<2) return n; vector<int> dp(n+1); dp[0]=0; dp[1]=1; for(int i=2;i<=n;i++){ dp[i]=dp[i-1]+dp[i-2]; } return dp[n]; } };