Cod sursa(job #150359)

Utilizator xtephanFodor Stefan xtephan Data 6 martie 2008 21:19:10
Problema Generare de permutari Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.57 kb
#include<stdio.h>

int n;
int st[10];
int nrsol;

void afis() {
	for(int i=1; i<=n; i++)
		printf("%d", st[i]);
	printf("\n");
}


void permuta(int k) {

	if(k == n) {
		nrsol++;
		afis();
	}
	else {
		for(int i=1; i<=n; i++) {
			int ok=1;

			for(int j=1; j<=k && ok; j++)
				if(st[j] == i)
					ok=0;

			if(ok) {
				st[k+1]=i;
				permuta(k+1);
			}
		}



	}


}

int main() {

	freopen("permutari.in", "r", stdin);
	freopen("permutari.out", "w", stdout);

	scanf("%d", &n);
	permuta(0);
//	printf("%d\n", nrsol);

	return 0;
}