Cod sursa(job #868915)

Utilizator sana1987Laurentiu Dascalu sana1987 Data 31 ianuarie 2013 19:22:33
Problema Numerele lui Stirling Scor 100
Compilator c Status done
Runda Arhiva educationala Marime 0.83 kb
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#define N          200
#define MODULO   98999

static int s[N + 1][N + 1], S[N + 1][N + 1];

int main(int argc, char **argv) {
    freopen("stirling.in", "r", stdin);
    freopen("stirling.out", "w", stdout);

    memset(s, 0, sizeof(s));
    memset(S, 0, sizeof(S));

    s[1][1] = 1;
    S[1][1] = 1;

    int i, j;

    for (i = 2; i <= N; i++) {
    	for (j = 1; j <= i; j++) {
    		s[i][j] = (s[i - 1][j - 1] - (i - 1) * s[i - 1][j]) % MODULO;
    		S[i][j] = (S[i - 1][j - 1] + j * S[i - 1][j]) % MODULO;
    	}
    }

    int T;
    scanf("%d\n", &T);

    for (i = 0; i < T; i++) {
    	int x, n, m;
    	scanf("%d %d %d\n", &x, &n, &m);
    	if (x == 1) {
    		printf("%d\n", s[n][m]);
    	}
    	else if (x == 2) {
    		printf("%d\n", S[n][m]);
    	}
    }

    return 0;
}