백준 1193 c++

#include <iostream>

using namespace std;

int main(void)
{
	int X, i = 2;
	int temp = 1, child = 0 , parent = 0;

	cin >> X;
	if (X >= 1 && X <= 10000000)
	{
		while (1)
		{
			temp = temp + i;
			if (temp < X)
			{
				i++;
			}
			else if (X == 1)
			{
				i = 0; 
				temp = 0;
				break;
			}
			else//(temp >= X)
			{
				temp = temp - X;
				i--;
				break;
			}
		}
		i = i + 1;
		//child = i - temp;
		//parent = i + 1 - child;
		if (i % 2 == 1) //i가 홀수
		{
			parent = i - temp;
			child = i + 1 - parent;
		}
		else // i가 짝수
		{
			child = i - temp;
			parent = i + 1 - child;
		}
		cout << child << "/" << parent << endl;
	}
	else
	{
		;
	}

	return 0;
}
/*
* 1
* 3
* 6
* 10
* 15
* ......
*/

/*분자
1 1 2 1 2 3 1 2 3 4 1 2 3 4 5......
*/

/*분모
1 2 1 3 2 1 4 3 2 1 5 4 3 2 1 .....
*/