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  1.         #include <iostream>
  2.         #include<math.h>
  3.  
  4.         using namespace std;
  5.  
  6.         int main()  {
  7.             long int t;double n,m;int flag=0;int pos;int ctr=0,sum;
  8.             cin>>t;
  9.             for(int i=0;i<t;i++)
  10.               {cin>>n>>m;sum=0;flag=0;pos=0;
  11.                ctr=0;
  12.                 for(int j=1;j<=n;j++)
  13.                    {sum+=j;
  14.                      if(sum>=m&&ctr==0)
  15.                        {ctr++;flag=1;pos=j;}
  16.                    }
  17.                if(flag==1)
  18.                {cout<<pos<<endl;}
  19.                else
  20.                {cout<<sum-m<<endl;}
  21.               }
  22.  
  23.  
  24.  
  25.  
  26.  
  27.         	return 0;
  28.         }
Success #stdin #stdout 0s 16048KB
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stdin
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Standard input is empty
stdout
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-2.33374e-310
-2.33374e-310
https://ideone.com/aYz7ok
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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