#include <iostream>
#include <string>
using namespace std;
int main()
{
int n,k;
double gpa,s,credit,score;
string name;
bool flag = true;
cin >> n;
while (n--)
{
cin >> k;
gpa = 0.0;
s = 0.0;
flag = true;
for (int i = 1; i <= k; i++)
{
cin >> name >> credit >> score;
gpa += credit * score;
s += credit;
if (60 - score >0.000001)
flag = false;
}
gpa = gpa *1.0/ s;
if (flag)
printf("%.2lf\n", gpa);
else
printf("Sorry!\n");
if (n != 0)
printf("\n");
}
return 0;
}
轉載于:https://www.cnblogs.com/theskulls/p/6050195.html