Chicken and rabbit cage

Chicken and rabbit cage

Description

The total number of chickens and rabbits is n and the total number of legs is M. Input N and M, and output the numbers of chickens and rabbits in sequence. If there is no solution, output "No answer" (do not quote the quotation marks ).

 

Input

Input a data in the first row indicates that there are several groups of data in the next row. In the next row (A <10), each row contains N and M. (0 <m, n <100)

Output

Output The number of rabbits or no answer

Sample Input

214 3210 16

Sample output

12 2No answer

 #include<iostream> using namespace std;  int main() { int n; int a=0,b=0; int shu,leg; bool you =false; cin>>n; while(n--){     you = false;    cin>>shu>>leg;    for( a=0;a<100;a++){        for(b=0;b<100;b++){    if( (2 *a + 4 *b == leg) && (a +b == shu))          {           cout<<a<<" "<<b<<endl;         you=true;          }            }    }    if (you==false)        cout<<"No answer"<<endl; } return 0; }        

 

Chicken and rabbit cage