难到我了，对于我这种数学不好的人来说简直太难了

yumanjun666 @ 2024-08-07 09:49:55

by LIONELMESSIYYDS @ 2024-08-07 09:55:45

@yumanjun666 简单

by LIONELMESSIYYDS @ 2024-08-07 09:56:07

@yumanjun666

#include<bits/stdc++.h>
using namespace std;
int main(){
    int T;
    cin >> T;
    if (T == 1) {
        cout << "I love Luogu!";
    } else if (T == 2) {
        cout << 2 + 4 << " " << 10 - 2 - 4;
    } else if (T == 3) {
        cout<<"3"<<endl<<"12"<<endl<<"2";
    } else if (T == 4) {
        cout<<fixed<<setprecision(3)<<1.0*500/3;
    } else if (T == 5) {
        cout<<(220+260)/(20+12);
    } else if (T == 6) {
        cout<<sqrt(6*6+9*9);
    } else if (T == 7) {
        cout<<"110"<<endl<<"90"<<endl<<"0";
    } else if (T == 8) {
        double a=3.141593;
        cout<<10*a<<endl<<25*a<<endl<<125*1.0*4/3*a;
    } else if (T == 9) {
        cout<<"22";
    } else if (T == 10) {
        cout<<"9";
    } else if (T == 11) {
        cout<<1.0*100/3;
    } else if (T == 12) {
        cout<<"13"<<endl<<"R";
    } else if (T == 13) {
        int r1=4,r2=10;
        double pi=3.141593;
        double v=4.0/3*pi*r1*r1*r1+4.0/3*pi*r2*r2*r2;
        v=pow(v,1.0/3);
        printf("%.0lf\n",v);
    } else if (T == 14) {
        cout<<"50";
    } 
    return 0;
}