CheckConsecutiveSum/code.cpp at main · hashibk/CheckConsecutiveSum · GitHub

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#include <iostream>
using namespace std;

void calSpecial(int val, int &counter, int &sum){

    if (sum == val) {

        cout<<"Special number"<<endl;

        sum=0;
        counter=1;

        while (sum<val){
            cout<<counter<<" + ";
            sum+=counter;
            counter++;
        }

        cout<<endl;

        return;

    }


    if (sum > val){
        cout << "Not a special number. " << endl;
        return;
    }

    sum += counter;
    ++counter;

    calSpecial(val, counter, sum);

}

int main(){

    int x;
    cout<<"Enter Number= "<<endl;
    cin>>x;

    int counter=1;
    int sum=0;

    calSpecial(x,counter,sum);

    return 0;
}