Cod sursa(job #1497807)

Utilizator EmplopiStefan Nitu Emplopi Data 7 octombrie 2015 13:58:51
Problema Generare de permutari Scor 0
Compilator c Status done
Runda Arhiva educationala Marime 0.99 kb
#include <stdio.h>
#include <stdlib.h>

int k, n, pozy, iglob, y, x;
int perm_curenta[9], pozoc[9], ycaut[5];

void perm(int nr, FILE *fout){
    int i;
    if(x<k){
        if(nr==n)
            y++;
        if(y==ycaut[pozy]){
            for(i=0;i<n;i++)
                fprintf(fout, "%d ", perm_curenta[i]);
            fprintf(fout, "\n");
            pozy++;
            x++;
        }
        for(i=0;i<n;i++){
            if(pozoc[i]==0){
                pozoc[i]=1;
                perm_curenta[iglob]=i+1;
                iglob++;
                perm(nr+1, fout);
                iglob--;
                pozoc[i]=0;
            }
        }
    }
}

int main(){
    FILE *fin, *fout;
    int i;
    fin=fopen("permutari.in", "r");
    fout=fopen("permutari.out", "w");
    fscanf(fin, "%d%d", &n, &k);
    //printf("%d", k);
    for(i=0;i<k;i++)
        fscanf(fin, "%d", &ycaut[i]);
    pozy=0;
    iglob=0;
    y=0;
    x=0;
    perm(0, fout);
    fclose(fin);
    fclose(fout);

    return 0;
}