Question

First line: T denoting the number of test cases • Each of the next T lines: A single integer N the number of pillows for a round

Answer 1

Answer:

#include<iostream>

using namespace std;

int main()

{

int N,T,i,j,sum,count;

cin>>T;

if(T>=1 && T<=100)

for(i=1;i<=T;i++)

{

cin>>N;

sum=0;

count=0;

j=1;

if(N>=1 && N<=5000)

while(sum<N)

{

 sum += j;

 j++;

 count++;

}

cout<<count;

cout<<endl;

}

return 0;

}