Cod sursa(job #2211574)

Utilizator b10nd3Oana Mancu b10nd3 Data 10 iunie 2018 22:05:27
Problema Numerele lui Stirling Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.66 kb
#include<fstream>

using namespace std;
const int MOD=98999, N=201;
int s[N][N], S[N][N];

void stirling1(){
	s[1][1]=1;
	for(int i=2;i<N;i++)
	   for(int j=1;j<=i;j++)
	      s[i][j]=((i-1)*s[i-1][j]+s[i-1][j-1])%MOD;
}

void stirling2(){
	S[1][1]=1;
	for(int i=2;i<N;i++)
	  for(int j=1;j<=i;j++)
	     S[i][j]=(j*S[i-1][j]+S[i-1][j-1])%MOD;
}


int main(){
	stirling1(); stirling2();
	ifstream in("stirling.in");
	FILE *out=fopen("stirling.out","w");
	int t, speta, n, m;
	in>>t;
	while(t--){
		in>>speta>>n>>m;
		if(speta==1) fprintf(out,"%d\n",s[n][m]);
		else fprintf(out,"%i\n",S[n][m]);
	}
	in.close(); fclose(out);
	return 0;
}