hdoj 5949 Relative atomic mass

题目链接：Relative atomic mass

题目大意：给你C、H、O三种元素构成的字符串，算相对原子质量

题目思路：按题意模拟就好

#include <map>#include <set>#include <queue>#include <stack>#include <cmath>#include <vector>#include <cstdio>#include <cstring>#include <cstdlib>#include <iostream>#include <algorithm>using namespace std;typedef long long ll;int main(){    int t;    string str;    cin>>t;    while(t--){        cin>>str;        int sum = 0;        for(int i = 0;i < str.size();i++){            if(str[i] == 'C') sum += 12;            else if(str[i] == 'H') sum += 1;            else sum += 16;        }        cout<<sum<<endl;    }    return 0;}