题解 | #跳台阶#
跳台阶
https://www.nowcoder.com/practice/8c82a5b80378478f9484d87d1c5f12a4
public class Solution {
public int jumpFloor(int target) {
if(target <= 1){
return 1;
}
int a = 1;
int b = 1;
int sum = 0;
for(int i = 2; i <= target; i++){
sum = a + b;
a = b;
b = sum;
}
return sum;
}
}
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