#include<stdio.h> #include<string.h> #include<math.h> int main(){ double n; char s[2]; //printf("%d%s",n,s); while(scanf("%lf %s",&n,&s)!=EOF){ double sub; if(n==0){ break; } if(strcmp(s,"MB")==0){ sub=n*(pow(1024,2)-pow(1000,2)); }else if(strcmp(s,"kB")==0){ sub=n*(pow(1024,1)-pow(1000,1)); }else if(strcmp(s,"GB")==0){ sub=n*(pow(1024,3)-pow(1000,3)); }else if(strcmp(s,"TB")==0){ sub=n*(pow(1024,4)-pow(1000,4)); } else if(strcmp(s,"B")==0){ sub=0; } printf("%.0lf\n",sub); } return 0; } |
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