46:八进制到十进制

 1 #include<iostream>
 2 #include<cstdio>
 3 #include<queue>
 4 #include<cmath>
 5 using namespace std;
 6 int ans[10001];
 7 int now;
 8 int tot;
 9 int j=1;
10 int main() 
11 {
12     int n;
13     cin>>n;
14     while(n!=0)
15     {
16         tot=n%10*j+tot;
17         j=j*8;
18         n=n/10;
19     }
20     cout<<tot;
21     return 0;
22 }