Cod sursa(job #1404023)

Utilizator cautionPopescu Teodor caution Data 27 martie 2015 18:43:23
Problema 1-sir Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.4 kb
#include <fstream>
#include <algorithm>
#define MOD 194767
using namespace std;
long v[2][70000];
int main()
{
    ifstream in("1-sir.in");
    ofstream out("1-sir.out");
    long n, s, i, j;
    in>>n>>s;
    v[1][0]=1;
    for(i=2;i<=n;++i)
        for(j=0;j<=i*(i-1)/2;++j)
            v[i%2][j]=(v[(i+1)%2][j+i-1]+v[(i+1)%2][abs(j-i+1)])%MOD;
    out<<v[(i+1)%2][s];
    return 0;
}