Cod sursa(job #2660661)

Utilizator nicuvladNicu Vlad nicuvlad Data 19 octombrie 2020 23:26:22
Problema Numerele lui Stirling Scor 20
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.64 kb
#include <fstream>
#define N 204
#define MOD 98999
using namespace std;
ifstream fin("stirling.in");
ofstream fout("stirling.out");

int t, n, m, x, s[N][N], S[N][N];

void pre_s() {
	for(int i=1;i<=200;i++)
		for(int j=1;j<=i;j++)
			if(i==j)
				s[i][j]=1;
			else
				s[i][j]=(s[i-1][j-1]-(i-1)*s[i-1][j])%MOD;
}

void pre_S() {
	for(int i=1;i<=200;i++)
		for(int j=1;j<=i;j++)
			if(i==j)
				S[i][j]=1;
			else
				S[i][j]=(j*S[i-1][j]+S[i-1][j-1])%MOD;
}

int main() {
	pre_s();
	pre_s();

	fin>>t;
	while(t--) {
		fin>>x>>n>>m;
		if(x==1)
			fout<<s[n][m]<<'\n';
		else
			fout<<S[n][m]<<'\n';
	}
	return 0;
}