10812 - Beat the Spread!

[k23456]

guys i need help i dnt have any idea what's wrong with my code it works perfectly
#include <iostream>
using namespace std;

int main(){
long int a,b,t;
cin>>t;
while(t--){
cin>>a>>b;
long int s=(a+b)/2,m=(a-b)/2;
if(s>0 && m>0){
cout<<s<<m<<endl;}
else
cout<<"impossible"<<endl;

}
}

after submitting the code they keep on showing that the ans is wrong

[brianfry713]

There should be a space in between numbers in the output

[c000p]

Anybody please help me...
Why am I getting Runtime Error...
Why RE occur??

[brianfry713]

See: http://uva.onlinejudge.org/index.php?op ... &Itemid=31

[cse dipto]

Code: Select all

#include <iostream>
#include <stdio.h>
#include <algorithm>
#include <string.h>
#include <string>
#include <math.h>
#include <stdlib.h>
#include <stack>
#include <queue>
#include <map>
#include <vector>


using namespace std;

int main()
{
    long long int i,j,k,t_case,a,b,r,r1,R,R1;
    cin>>t_case;
    for(i=1;i<=t_case;i++)
    {
        cin>>a>>b;
        if(b>a)
        {
            printf("impossible\n");
        }
        else if(a>b)
        {
            r=a+b;
            r1=r/2;
            j=a-b;
            k=j/2;
            
            if((r1*2)==r&&(k*2)==j)
            {
                R=((a+b)/2);
                R1=((a-b)/2);
                printf("%lld %lld\n",R,R1);
            }
            else
            {
                printf("impossible\n");
            }
        }
    }
    return 0;
}

[brianfry713]

Input:

Code: Select all

1
0 0

Output should be:

Code: Select all

0 0