题解 | #八进制#
八进制
https://www.nowcoder.com/practice/eda051c1effc4dffa630bc8507f0c5f7
#include <iostream> using namespace std; #define N 100 int main(){ int n; while (cin >>n){ int i = 0; int a[N] = {-1,-1,-1,-1,-1,-1}; //定义数组存每一位 //把得到的每一位存在a数组中(这里是倒序存的) while (n){ a[i++] = n%8; n/=8; } //将a中倒序的每一位,转成正序,成为一个数,存在result int result = 0,p=1; for (i=0;a[i]!=-1;i++){ result = result + a[i]*p; p*=10; } cout <<result<<endl; } }