CodeForce-Solved-Problem/A_Add_Odd_or_Subtract_Even.cpp at master · vikashship/CodeForce-Solved-Problem · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
#include <bits/stdc++.h>
using namespace std;

int main()
{
    int t;
    cin >> t;
    while (t--)
    {
        int a, b;
        cin >> a >> b;
        if (a == b)
            cout << 0 << "\n";
        else if (a < b)
        {
            if ((b - a) % 2 == 1)
                cout << 1 << "\n ==> ";
            else
                cout << 2 << "\n  ==> ";
        }
        else
        {
            if ((a - b) % 2 == 0)
                cout << 1 << "\n ==> ";
            else
                cout << 2 << "\n ==> ";
        }
    }

    return 0;
}