题解 | #二叉树#
二叉树
https://www.nowcoder.com/practice/f74c7506538b44399f2849eba2f050b5
#include <cstdio>
int Tree(int m,int n){
if (m > n){
return 0;
} else{
return Tree(2 * m,n) + Tree(2 * m + 1,n) + 1;
}
}
int main(){
int m,n;
scanf("%d%d",&m,&n);
while (m == 0){
break;
}
printf("%d\n",Tree(m,n));
}
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