Cod sursa(job #2564443)

Utilizator SergiuS3003Sergiu Stancu Nicolae SergiuS3003 Data 1 martie 2020 21:27:18
Problema Numerele lui Stirling Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.84 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f ( "stirling.in" );
ofstream g ( "stirling.out" );
const int NMAX = 201, MOD = 98999;
int s[NMAX + 2][NMAX + 2], S[NMAX + 2][NMAX + 2];
void calcs()
{
    s[1][1] = 1;

    for ( int i = 2 ; i <= NMAX ; ++i )
        for ( int j = 1 ; j <= i ; ++j )
            s[i][j] = ( s[i - 1][j - 1] - ( i - 1 ) * s[i - 1][j] ) % MOD ;
}
void calcS()
{
    S[1][1] = 1;

    for ( int i = 2; i <= NMAX; ++i )
        for ( int j = 1; j <= i; ++j )
            S[i][j] = ( S[i - 1][j - 1] + j * S[i - 1][j] ) % MOD;
}
int main()
{
    int N, n, m, cer;
    f >> N;
    calcs();
    calcS();

    while ( N-- )
    {
        f >> cer >> n >> m;

        if ( cer == 1 )
            g << s[n][m] << '\n';
        else g << S[n][m] << '\n';
    }

    return 0;
}