PAT (Basic Level) Practise （中文）1001

#include<stdio.h>int main(){int n,i = 0;scanf("%d", &n);while(n!=1){if (n % 2 == 0){n = n / 2;}else{n = (3 * n + 1) / 2;}i++;}printf("%d", i);return 0;}

最初while里的表达式为n>2,当n=1的时候有错，显示部分正确，修正后正确通过