#include <bits/stdc++.h>
using namespace std;

typedef long double db;

const int maxn=1000;
db w,h;
int n;
db a[maxn+50][maxn+50];
db x[maxn+50];

int main(){
    ios_base::sync_with_stdio(false);
    cin >> w >> h >> n;
    for (int i=1;i<=n;i++){
        if (i>1) a[i][i-1]=h*h-w*w;
        a[i][i]=2*w*w;
        if (i<n) a[i][i+1]=h*h-w*w;
        if (i==n) a[i][n+1]=w*w-h*h;
    }

    // cerr << "----------------------" << endl;
    // for (int i=1;i<=n;i++){
    //     for (int j=1;j<=n+1;j++){
    //         cerr << a[i][j] << " ";
    //     }
    //     cerr << endl;
    // }
    // cerr << "----------------------" << endl;

    for (int i=1;i<n;i++){
        db t=a[i+1][i]/a[i][i];
        a[i+1][i]=0;
        a[i+1][i+1]-=t*a[i][i+1];
        a[i+1][n+1]-=t*a[i][n+1];
    }

    // cerr << "----------------------" << endl;
    // for (int i=1;i<=n;i++){
    //     for (int j=1;j<=n+1;j++){
    //         cerr << a[i][j] << " ";
    //     }
    //     cerr << endl;
    // }
    // cerr << "----------------------" << endl;

    for (int i=n;i>=2;i--){
        db t=a[i-1][i]/a[i][i];
        a[i-1][i]=0;
        a[i-1][n+1]-=t*a[i][n+1];
    }

    // cerr << "----------------------" << endl;
    // for (int i=1;i<=n;i++){
    //     for (int j=1;j<=n+1;j++){
    //         cerr << a[i][j] << " ";
    //     }
    //     cerr << endl;
    // }
    // cerr << "----------------------" << endl;

    x[0]=0;
    x[n+1]=1;
    for (int i=1;i<=n;i++) x[i]=a[i][n+1]/a[i][i];
    db ans=0;
    for (int i=1;i<=n+1;i++){
        db tmp=((x[i]+x[i-1])*h+(x[i]-x[i-1])*w)/2;
        ans=ans+tmp*tmp;
        db tmp2=x[i]*h;
        if (i<=n) ans=ans-0.5*tmp2*tmp2;
    }
    cout << fixed << setprecision(12);
    cout << ans << "\n";
    for (int i=1;i<=n && i<=10;i++){
        cout << x[i]*w << "\n";
    } 
    return 0;
}