Cod sursa(job #1304293)

Utilizator Liviu98Dinca Liviu Liviu98 Data 28 decembrie 2014 20:24:53
Problema 1-sir Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.45 kb
#include <iostream>
#include <fstream>
#include <stdlib.h>
#define MOD 194767
using namespace std;

int d[2][65540];

int main()
{
    ifstream g("1-sir.in");
    ofstream f("1-sir.out");
    int n,S,s;
    g>>n>>s;
    S=n*(n-1)/2;
    if(s>S)
    {
        f<<"0"<<'\n';
    }
    d[1][0]=1;
    for(int i=2,l=0;i<=n;i++,l=1-l)
        for(int j=0;j<=S;j++)
        d[l][j]=(d[1-l][j+i-1]+d[1-l][abs(j-i+1)])%MOD;
    f<<d[n&1][s];
}