ACM (UVa) : 11614



#include <stdio.h>
#include <math.h>

int main ()
{
	int testCase;

	scanf ("%d", &testCase);

	while ( testCase-- ) {

		double number;
		scanf ("%lf", &number);

		double x = sqrt (1 + (4*2*number));
		x = x - 1;
		x = x / 2;
		int k = (int) x;

		printf ("%d\n", k);

	}

	return 0;
}


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