Cod sursa(job #2129247)
Utilizator | Data | 12 februarie 2018 17:29:37 | |
---|---|---|---|
Problema | Grupuri | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.42 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f("grupuri.in");
ofstream g("grupuri.out");
int main()
{
int n,k,a,minim=1000001;
f>>n>>k;
for(int i=1;i<=k;i++)
{
f>>a;
if(a<minim)
minim=a;
}
long long p1=1,p2=1;
for(int i=minim+1;i<=k;i++)
p1*=i;
for(int i=1;i<=k-minim;i++)
p2*=i;
g<<p1/p2;
return 0;
}