Cod sursa(job #2759347)
Utilizator | Data | 17 iunie 2021 01:56:01 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 20 |
Compilator | c-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.7 kb |
#include <stdio.h>
#define MAX 8
void swap(int *x, int*y)
{
int t = *x;
*x = *y;
*y = t;
}
void permute(int *a, int l, int r)
{
if(l==r)
{
for(int i = 0; i < r+1; i++)
printf("%d ", a[i]);
printf("\n");
}
else
{
for(int i = l; i <= r; i++)
{
swap(&a[l], &a[i]);
permute(a, l+1, r);
swap(&a[l], &a[i]);
}
}
}
int main()
{
freopen("permutari.in", "r", stdin);
freopen("permutari.out", "w", stdout);
int n;
scanf("%d", &n);
int a[MAX]={0};
for(int i = 0; i < n; i++)
a[i] =i+1;
permute(a, 0, n-1);
}