Codechef•Sep 01, 2025

Final Population

Hazrat Ali

Codechef

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.

Output Format

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

Constraints

  • 1≤T≤100
  • 1≤X,Y,Z≤10
  • Y≤X

Sample 1:

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

Solution

#include <iostream>
using namespace std;

int main() {
    int t;
    cin >> t;  
    while (t--) {
        int x, y, z;
        cin >> x >> y >> z;
        cout << (x - y + z) << endl;
    }
    return 0;
}



 

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