Cod sursa(job #2789313)

Utilizator BlaugranasEnal Gemaledin Blaugranas Data 27 octombrie 2021 13:18:15
Problema Dezastru Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream F("dezastru.in");
ofstream G("dezastru.out");
short n,k,i,j;
float v[30],f;
int main()
{
    for(F>>n>>k,v[0]=1.0f,i=1;i<=n;++i)
        for(F>>f,j=i;j>0;--j)
            v[j]=((float)j)/i*f*v[j-1]+(((float)i)-j)/i*v[j];
    G<<v[k];
    return 0;
}