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extern rand = () => i64;
extern malloc = (i64) => *void;
extern free = (*void) => void;

import "!stdlib.src";

let init_array = (n: i64, arr: *i64) => void {
	let i = 0;
	while i < n {
		(*(arr + cast(*i64, i))) = rand();
		i = i + 1;
	};
	return;
};

let print_array = (n: i64, arr: *i64) => void {
	let i = 0;
	while i < n {
		printf("%d\n", *(arr + cast(*i64, i)));
		i = i + 1;
	};
	return;
};

let sort_array = (n: i64, arr: *i64) => void {
	let i = 0;
	let j = 0;

	while i < n {
		j = i + 1;
		while j < n {
			let x = *(arr + cast(*i64, i));
			let y = *(arr + cast(*i64, j));

			if x > y {
				let tmp = *(arr + cast(*i64, i));
				(*(arr + cast(*i64, i))) = *(arr + cast(*i64, j));
				(*(arr + cast(*i64, j))) = tmp;
			};

			j = j + 1;	
		};
		i = i + 1;
	};

	return;
};

let main = () => i64 {
	let n = 10;
	let arr = cast(*i64, malloc(n * 8));
	init_array(n, arr);

	printf("Pre-sorted:\n");
	print_array(n, arr);

	sort_array(n, arr);

	printf("Sorted:\n");
	print_array(n, arr);
	
	free(cast(*void, arr));

	return 0;
};

/*

Expected stdout:

Pre-sorted:
${UNSORTED_LIST}
Sorted:
${SORTED_LIST}

Expected return: 0

*/