执行 climb(6) 的返回值为( )。
int climb(int n){
if(n <= 2) return n;
int a = 1, b = 2, c = 0;
for(int i = 3; i <= n; i++){
c = a + b;
a = b;
b = c;
}
return c;
}
- A. 8
- B. 13
- C. 5
- D. 10
正确答案:B
int climb(int n){
if(n <= 2) return n;
int a = 1, b = 2, c = 0;
for(int i = 3; i <= n; i++){
c = a + b;
a = b;
b = c;
}
return c;
}
正确答案:B
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