CodechefSep 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 XY 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;
}



 

Comments