Cod sursa(job #1486974)
Utilizator | Data | 15 septembrie 2015 20:05:39 | |
---|---|---|---|
Problema | 1-sir | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.51 kb |
#include<stdio.h>
int poz(int a)
{
if(a<0)
{
a*=-1;
}
return a;
}
FILE *fin,*fout;
int a[360][32900];
int n,s,v;
int main()
{
fin=fopen("1-sir.in","r");
fout=fopen("1-sir.out","w");
fscanf(fin,"%d %d",&n,&s);
a[1][0]=1;
for(int i=2;i<=n;i++)
{
v=(i*(i+1))/2;
for(int j=0;j<=v;j++)
{
a[i][j]=(a[i-1][poz(j-(i-1))]+a[i-1][j+(i-1)])%194767;
}
}
fprintf(fout,"%d",a[n][poz(s)]);
}