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Program Discussion :: Basics
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# ``98. Write a program to find the difference of two numbers must always be positive.``

``````
#include <stdio.h>#include<iostream>using namespace std;int main() {    int a[10], n;    int largest1, largest2, i;    cout<<"enter number of elements you want in array";    cin>>n;     cout<<"enter elements";    for (i = 0; i < n; i++) {       cin>>a[i];    }    largest1 = a[0];    for (i = 0; i < n; i++) {        if (a[i] > largest1) {            largest1 = a[i];        }    }    largest2 = a[0];    for (i = 1; i < n; i++) {        if (a[i] > largest2 && a[i] < largest1)            largest2 = a[i];    }     cout<<"First and second largest number is "<< largest1<<"and"<<largest2;}
``````