Contest1261/C.cpp

#include<bits/stdc++.h>

using namespace std;

//C: 狗哥的肚子 模拟
int main() {
    double pi = 3.14159;
    int T;
    cin >> T;
    while (T--) {
        int N;
        cin >> N;
        double Max = 0;
        double S = 0;
        while (N--) {
            char t[100];
            cin >> t;
            if (*t == 'T') {//strcmp(t,"T")==0
                double a, h;
                cin >> a >> h;
                S = a * h / 2;
            } else if (t[0] == 'R') {
                double a, b;
                cin >> a >> b;
                S = a * b;
            } else if (t[0] == 'C') {
                double r;
                cin >> r;
                S = pi * r * r;
            }
            Max = max(Max, S);
        }
        cout << fixed << setprecision(2) << Max << endl;
    }
    return 0;
}