#include<stdio.h> #include<string.h> #include<ctype.h> int main(){ int n; ]; int num;//数字 scanf("%d",&n); ;j<n;j++){ scanf("%s",s); int len=strlen(s); double t=0.0; ; num=;//初始化为0 ;i<len;i++){ if(s[i] == 'C'){ t=12.01; count += t; } else if(s[i] == 'H'){ t=1.008; count += t; } else if(s[i] == 'O'){ t=16.00; count += t; } else if(s[i] == 'N'){ t=14.01; count += t; } else { int a; a = (s[i]-'); //判断数字有几位 ])){ num += a; count += (num-)*t; num=; } ; } } printf("%.3f\n",count); } ; }