OJ Board

Code: Select all

#include<stdio.h>
#include<math.h>
int main()
{
long int x,n,m,k,i;
scanf("%ld",&k);
for(i=0;i<k;i++)
{
    scanf("%ld",&n);
{
    m=(1+8*n)-1;
    x=sqrt(m)/2;
printf("%ld\n",x);
}}
return 0;
}