#include<stdio.h>
int Fib(int n)
{
int a = 1;
int b = 1;
int c = 1;
while(n>2)
{
c = a+b;
a = b;
b = c;
n--;
}
return c;
}
int main()
{
int n=0;
int ret = 0;
scanf("%d",&n);
ret = Fib(n);
printf("ret = %d\n",ret);
return 0;}
微信扫一扫
#include<stdio.h>
int Fib(int n)
{
int a = 1;
int b = 1;
int c = 1;
while(n>2)
{
c = a+b;
a = b;
b = c;
n--;
}
return c;
}
int main()
{
int n=0;
int ret = 0;
scanf("%d",&n);
ret = Fib(n);
printf("ret = %d\n",ret);
return 0;}
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