Cod sursa(job #555554)

Utilizator zloteanu.adrianzloteanu adrian nichita zloteanu.adrian Data 15 martie 2011 16:43:20
Problema 1-sir Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
ifstream q("1-sir.in");
ofstream w("1-sir.out");
int v[65536],n,s,b,i,j;
int main()
{q>>n>>s;
s=s<0?-s:s;
b=n*(n-1)/2;
if(b<s||(b&1)!=(s&1))
 {w<<"0\n";
 return 0;}
s=(b-s)/2;
v[0]=1;
for(i=1;i<n;++i)
  for(j=s-i;j>=0;j--)
	v[j+i]=(v[j+1]+v[j])%19477;
w<<v[s]<<"\n";
return 0;}