Codechef•Aug 24, 2025

Couple Game

Hazrat Ali

Codechef

If ICM were a team game where teams could only be of size 2, having exactly 1 girl student and 1 boy student, what would be the minimum number of boy students from IIT (BHU) who would not be able to participate?

Input Format

  • The first line of input will contain a single integer T, denoting the number of test cases.
  • The first and only line of each test case contains two space-separated integers G and B, the number of girl and boy students at IIT (BHU) respectively.

Output Format

For each test case, output a single integer on a new line, the minimum number of boy students from IIT (BHU) who would not be able to participate.

Constraints

  • 1≤T≤100
  • 1≤G<B≤100

Sample 1:

Input 
3
1 3
2 4
3 10
Output
 
2
2
7

Solution

T = int(input())  
for _ in range(T):
    G, B = map(int, input().split())
    print(B - G)



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