斐波那契数列
斐波那契数列
http://www.nowcoder.com/questionTerminal/c6c7742f5ba7442aada113136ddea0c3
class Solution {
public:
int Fibonacci(int n) {
int f = 0, g = 1;
while (0 < n--) { g += f; f = g - f; }
return f;
}
};
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