UVA 1586

#include<cstdio>
#include<string.h>
#include<iostream>
#include<ctype.h>
using namespace std;
#define MAX 85

char str[MAX];
const double C = 12.01;
const double H = 1.008;
const double N = 14.01;
const double O = 16.00;
double Solve()
{
int size = strlen(str);
double sum = 0.0;
for (int i = 0;i != size;++i)
{
if (isalpha(str[i]))
{
int alpha = 1;
if (i + 1 < size && !isalpha(str[i + 1]))//关键在于对连续数字字符的处理
{
int curIndex = i + 1;
alpha = str[i + 1] - '0';
while (curIndex + 1 < size && !isalpha(str[++curIndex]))
{
alpha = 10 * alpha + (str[curIndex] - '0');
}

}
switch (str[i])
{
case'C':
sum += C*alpha;
break;
case'H':
sum += H*alpha;
break;
case'O':
sum += O*alpha;
break;
case'N':
sum += N*alpha;
break;
}
}
}
return sum;
}
int main()
{
int n;
cin >> n;
while (n--)
{
cin >> str;
printf("%.3lf\n", Solve());
}
return 0;
}