题解 | #斐波那契数列#
斐波那契数列
https://www.nowcoder.com/practice/c6c7742f5ba7442aada113136ddea0c3
class Solution {
public:
Solution(int n=40)
{
fib[1]=fib[2]=1;
for(int i=3;i<=n;++i)
{
fib[i]=fib[i-1]+fib[i-2];
}
}
int Fibonacci(int n) {
return fib[n];
}
private:
long long fib[41];
};
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