Odd Pairs

Problem Code:

ODDPAIRS

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Contest Code:START53D

Submission byrashmi1729

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Submitted: 12 hours ago

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Status:

Correct Answer

Language : C

(NOTE : Try a few times yourself before moving to the solution)

#include <stdio.h>

int main(void) {
	int t;
	scanf("%d\n",&t);
	while(t--)
	{
	    long long int n;
	    scanf("%lld\n",&n);
	    long long int ans = (n*(n+1)/2) - ((n+1)/2);
	    printf("%lld\n",ans);
	}
	return 0;
}