题解 | #小乐乐走台阶#
小乐乐走台阶
https://www.nowcoder.com/practice/ebf04de0e02c486099d78b7c3aaec255
#include <stdio.h>
int main()
{
int arr[100] = { 0 };
arr[0] = 0;
arr[1] = 1;
arr[2] = 2;
int n = 0;
scanf("%d", &n);
int i = 0;
for (i = 3; i <= n; i++)
{
arr[i] = arr[i - 1] + arr[i - 2];
}
printf("%d\n", arr[n]);
return 0;
}
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