#include <stdio.h> #include <math.h> #include <string.h> int main(){ int n; char str[5]; //输入:1个整数n和1个字符串str,0<=n<1000,str=B,KB,MB,GB,TB while(scanf("%d%s", &n, str)){ if(n==0) break; //处理 if(strcmp(str, "B")==0){ printf("0\n"); }else if(strcmp(str, "KB")==0){ printf("%.0lf\n", 1.0*n*(1024-1000)); }else if(strcmp(str, "MB")==0){ printf("%.0lf\n", 1.0*n*(pow(1024,2)-pow(1000,2))); }else if(strcmp(str, "GB")==0){ printf("%.0lf\n", 1.0*n*(pow(1024,3)-pow(1000,3))); }else if(strcmp(str, "TB")==0){ printf("%.0lf\n", 1.0*n*(pow(1024,4)-pow(1000,4))); } //输出:1个浮点数(整数不够) } } |
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