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# Final Population CodeChef Solution

## Problem – Final Population CodeChef Solution

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 XY and Z.

### Output Format

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

• 1≤T≤100
• 1≤X,Y,Z≤10
• YX

### Sample 1:

``````Input: 4
3 1 2
2 2 2
4 1 8
10 1 10
Output: 4
2
11
19
``````

### 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.

### Final Population CodeChef Solution in C++14

``````#include<iostream>
using namespace std;
int main(int argc, char const *argv[])
{
int n,x,y,z;
cin>>n;
while (n--)
{
cin>>x>>y>>z;
if (x>=y)
{
cout<<(x-y)+z<<endl;
}
else
{
break;
}
}
}
``````

### Final Population CodeChef Solution in Java

``````import java.util.*;
import java.lang.*;
import java.io.*;

class Codechef
{
public static void main (String[] args) throws java.lang.Exception
{
Scanner sc = new Scanner(System.in);
int a = sc.nextInt();
while(a-->0){
int x = sc.nextInt();
int y = sc.nextInt();
int z = sc.nextInt();
int a1 = x-y;
int a2 = a1+z;
System.out.println(a2);
}
}
}
``````

### Final Population CodeChef Solution in Pyth 3

``````x = int(input())
for i in range(x):
a,b,c = map(int,input().split())
z = a-b
y = z+c
print(y)``````
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