86分。。。

#include <bits/stdc++.h>
using namespace std;
signed main() 
{
    int T;
    cin >> T;
    if (T == 1) 
    {
        cout << "I love Luogu!" << endl; 
    } 
    else if (T == 2) 
    {
        cout << 2 + 4 << " " << 10 - 2 - 4 << endl;
    } 
    else if (T == 3) 
    {
        cout << 14/4 << " " << 14-14%4 << " " << 14%4 << endl;
    } 
    else if (T == 4) 
    {
        printf("%.3lf\n",500.0/3.0);
    } 
    else if (T == 5) 
    {
        cout << (260+220)/(12+20) << endl;
    } 
    else if (T == 6) 
    {
        cout << sqrt ( 6*6+9*9 ) << endl;    
    } 
    else if (T == 7) 
    {
        cout << 10+100 << endl << 100+10-20 << endl << 0<< endl;    
    } 
    else if (T == 8) 
    {
        double const pi=3.141593;
        double const r=5;
        cout << 5*2*3.1415923 << endl << 5*5*3.141593 << endl << 4.0/3*pi*r*r*r << endl;    
    } 
    else if (T == 9) 
    {
        cout << (((1+1)*2+1)*2+1)*2 << endl;    
    } 
    else if (T == 10) 
    {
        cout << (10-8)/2+8 << endl;    
    } 
    else if (T == 11)
    {
        cout << 100/(8-5) << endl;    
    } 
    else if (T == 12) 
    {
        cout << 13 << endl << "R" << endl;    
    } 
    else if (T == 13) 
    {
        double const pi=3.141593;
        double V=pi*4*4*4*4/3+pi*10*10*10*4/3;
        cout<<floor(pow(V,1.0/3))<<endl;
    } 
    else if (T == 14) 
    {
        cout << 50 << endl;      
    }
    return 0;
}