void selectionsort(){
		int* a;
		int n,i,j,schowek,min;
		printf("Podaj rozmiar tablicy\n");
		if(scanf("%d",&n)==1){

	 a = (int*)malloc(n * sizeof(int));
	srand((unsigned int) time(0));
    for (i = 0; i < n; i++) {
        a[i] = rand() % 100;
        printf(" %d ", a[i]);
    }puts("\n");

    for(j=0;j<n-1;j++){
    	min=j;
    	for(i=j+1;i<n;i++){
    	if(a[i]<a[min]){min=i;}}

    	schowek=a[j];
    	a[j]=a[min];
    	a[min]=schowek;
		}

	puts("Posortowana tablica");
		for(i=0;i<n;i++){
		printf(" %d" ,a[i]);}
	}free(a);
	}