题解 | #八进制#

#include <iostream>
#include <string>
using namespace std;
int main() {
    string b="";
    int a , meter = 8;
    while (cin >> a) { 
        int c;
        while(a){
            c = a%meter;
            b =  char(c + '0') + b ;
            a /= meter;
        }
        cout<<b<<endl; 
        b="";
    }
}