#include <stdio.h>
#include <stdbool.h>
#include <stdint.h>

#define N 100

int8_t compare(char *i_ptr, int8_t size)
{
	char c = ' ';
	bool error = 0;
	int8_t size_round = 0; // ()
	int8_t size_square = 0; // []
	int8_t size_curly = 0;  // {}

	do {
		switch (*i_ptr)
		{
		case '(':
			c = *i_ptr++; size_round++;
			break;
		case '[':
			c = *i_ptr++; size_square++;
			break;
		case '{':
			c = *i_ptr++; size_curly++;
			break;
		case ')':
			((c == ')' || c == ']' || c == '}' || c == '(') && (size_round > 0)) ? size_round-- : error++;
			c = *i_ptr++;
			break;
		case ']':
			((c == ')' || c == ']' || c == '}' || c == '[') && (size_square > 0)) ? size_square-- : error++;
			c = *i_ptr++;
			break;
		case '}':
			((c == ')' || c == ']' || c == '}' || c == '{') && (size_curly > 0)) ? size_curly-- : error++;
			c = *i_ptr++;
			break;
		default:
			i_ptr++;
			break;
		}

	} while ((*i_ptr) && (error == 0));

	size = (error != 0) ? 1 : size_round + size_square + size_curly;

	return size;
}

int main()
{
	int8_t size = 0;
	char arr[N];
	char *i_ptr = arr;
	printf("Enter line: ");
	gets_s(arr, N);
	size = compare(i_ptr, size);
	printf(size > 0 ? "Disbalance\n" : "Balance\n");
	system("pause");
	return 0;
}