45:十进制到八进制

 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 main() 
10 {
11     int n;
12     cin>>n;
13     while(n!=0)
14     {
15         ans[now]=n%8;
16         n=n/8;
17         now++;
18     }
19     for(int i=now-1;i>=0;i--)
20     cout<<ans[i];
21     return 0;
22 }