// 8:17
#include<bits/stdc++.h>

#define ld long double
#define pb push_back

using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int main(){
    int W,H,n;
    scanf("%i %i %i",&W,&H,&n);
    vector<ld> c1(n+1),c2(n+1);
    ld c=(1-(ld)H*H/(ld)W/W)/2;
    c1[n]=c2[n]=c;
    for(int i=n-1;i>0;i--){
        c1[i]=c/(1-c1[i+1]*c);
        c2[i]=c*c2[i+1]/(1-c1[i+1]*c);
    }
    vector<ld> x;
    x.pb(0);
    for(int i=1;i<=n;i++){
        x.pb(c1[i]*x.back()+c2[i]*W);
    }
    x.pb(W);
    vector<ld> h;
    for(auto p:x)h.pb(p/W*H);
    ld ans=0;
    for(int i=0;i<=n;i++){
        ld under=(h[i]+h[i+1]+x[i+1]-x[i])/2;
        ans+=under*under;
        ans-=h[i]*h[i]/2;
    }
    printf("%.10Lf\n",ans);
    for(int i=1;i<=min(10,n);i++){
        printf("%.10Lf\n",x[i]);
    }
}