[Solution] Reach the Target CodeChef Solution

Problem

There is a cricket match going on between two teams $A$ and $B$.

Team $B$ is batting second and got a target of $X$ runs. Currently, team $B$ has scored $Y$ runs. Determine how many more runs Team $B$ should score to win the match.

Note: The target score in cricket matches is one more than the number of runs scored by the team that batted first.

Input Format

• The first line of input will contain a single integer $T$, denoting the number of test cases.
• Each test case consists of two space-separated integers $X$ and $Y$, the target for team $B$ and the current score of team $B$ respectively.

Output Format

For each test case, output how many more runs team $B$ should score to win the match.

Explanation:

Test case $1$: The target is $200$ runs and team $B$ has already made $50$ runs. Thus, the team needs to make $200-50 = 150$ runs more, to win the match.

Test case $2$: The target is $100$ runs and team $B$ has already made $99$ runs. Thus, the team needs to make $100-99 = 1$ runs more, to win the match.

Test case $3$: The target is $130$ runs and team $B$ has already made $97$ runs. Thus, the team needs to make $130-97 = 33$ runs more, to win the match.

Test case $4$: The target is $53$ runs and team $B$ has already made $51$ runs. Thus, the team needs to make $53-51= 2$ runs more, to win the match.