Cod sursa(job #2265356)
Utilizator | Data | 20 octombrie 2018 23:38:18 | |
---|---|---|---|
Problema | 1-sir | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.61 kb |
#include <fstream>
using namespace std;
ifstream f("1-sir.in");
ofstream g("1-sir.out");
int n,s,d[3][33000];
int main()
{
f>>n>>s;
if(s<0) s = -s;
d[1][0] = 1;
for(int i=2;i<=n;i++)
{ for(int j=0;j<=i*(i-1)/2;j++) { int dif = i - (j-1);
if(dif<0) dif=-dif;
d[2][j] = d[1][dif] + d[1][i-(j+1)];
d[2][j]%=194767;
}
for(int j=0;j<=i*(i-1)/2;j++) d[1][j] = d[2][j];
}
g<<d[1][s]<<'\n';
return 0;
}