সমস্যা - ৩৩ ( কোন ধারা? )

	#include <stdio.h>
	#include <math.h>
	int main()
	{
	int i, run, a, s, ara[3];
	float t;
	scanf("%d\n",&run);
	for(a = 0; a < run; a++)
	{
	for(i = 0; i < 3; i++) {
	scanf("%d",&ara[i]);
	}
	s = (ara[0] + ara[2]) / 2;
	t = sqrt(ara[0] * ara[2]);
	printf("Case %d: ",a + 1);
	if(ara[1] == s && ara[1] == t) {
	printf("Both\n");
	}
	else if(ara[1] == t) {
	printf("Geometric Progression\n");
	}
	else if(ara[1] == s) {
	printf("Arithmetic Progression\n");
	}
	else {
	printf("None\n");
	}
	}
	return 0;
	}

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