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