[Solution] Final Population CodeChef Solution

Problem

There were initially $X$ million people in a town, out of which $Y$ million people left the town and $Z$ million people immigrated to this town.

Determine the final population of town in millions.

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 consists of three integers $X$, $Y$ and $Z$.

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Output Format

For each test case, output the final population of the town in millions.

Explanation:

Test case $1$: The initial population of the town was $3$ million, out of which $1$ million people left and $2$ million people entered the town. So, final population $= 3 - 1 + 2 = 4$ million.

Test case $2$: The initial population of the town was $2$ million, out of which $2$ million left and $2$ million immigrated. The final population is thus $2+2-2 = 2$ million.