hdu 4788 (2013成都现场赛 H题)
100MB=10^5KB=10^8B
100MB=100*2^10KB=100*2^20B
Sample Input
2
100[MB]
1[B]
Sample Output
Case #1: 4.63%
Case #2: 0.00%
1 # include <iostream> 2 # include <cstdio> 3 # include <cstring> 4 # include <algorithm> 5 # include <string> 6 # include <cmath> 7 # include <queue> 8 # include <list> 9 # define LL long long 10 using namespace std ; 11 12 char s[100]; 13 14 int change(char s[]) 15 { 16 if(strcmp(s,"B]") == 0)return 0; 17 if(strcmp(s,"KB]") == 0)return 1; 18 if(strcmp(s,"MB]") == 0)return 2; 19 if(strcmp(s,"GB]") == 0)return 3; 20 if(strcmp(s,"TB]") == 0)return 4; 21 if(strcmp(s,"PB]") == 0)return 5; 22 if(strcmp(s,"EB]") == 0)return 6; 23 if(strcmp(s,"ZB]") == 0)return 7; 24 if(strcmp(s,"YB]") == 0)return 8; 25 } 26 27 28 int main() 29 { 30 //freopen("in.txt","r",stdin) ; 31 int T ; 32 scanf("%d" , &T) ; 33 int Case = 0 ; 34 while(T--) 35 { 36 Case++ ; 37 int x ; 38 scanf("%d[%s" , &x , s) ; 39 int t = change(s) ; 40 double ans = pow(1000.0,t)/pow(1024.0,t) ; 41 ans = 1 - ans ; 42 printf("Case #%d: %.2lf%%\n",Case,ans*100); 43 44 } 45 46 return 0; 47 }
