题解 | 牛牛学数列5
牛牛学数列5
https://www.nowcoder.com/practice/6db6674518a9456198c166bcd0d2aaa1
#include<stdio.h>
int main(){
int n;
scanf("%d",&n);
long long n1=1;
long long n2=1;
long long temp=0;
if(n<3) printf("1");
else{
for(int i=3;i<=n;i++){
temp=n1+n2;
n1=n2;
n2=temp;
}
printf("%lld",temp);
}
return 0;
}