17 多校1 Add More Zero 水题

 1 #include<iostream>
 2 #include<cstdio>
 3 #include<queue>
 4 #include<vector>
 5 #include<cstring>
 6 #include<string>
 7 #include<algorithm>
 8 #include<map>
 9 #include<cmath>
10 #include<math.h>
11 using namespace std;
12 
13 const double p=log(10.0)/log(2.0);
14 
15 int main()
16 {
17     int t=1,m;
18     while(~scanf("%d",&m))
19     {
20         printf("Case #%d: %d\n",t++,int(m/p));
21     }
22     return 0;
23 }