Example: Plus Minus in C++ Program

#include <iostream>

#include <iomanip>

using namespace std;

​

int main() {

    int s=0;

    cout << "Enter the size of the array::\n";

    cin >> s;

    float arr[s];

    cout << "Enter the " << s << " elements of the array::\n";

    // It will read the inputs of the array's elements + calculate the plus-minus values

    int i=0;

    float r1=0,r2=0,r3=0;

    while (i<s) {

        cin >> arr[i];

        if (arr[i] > 0) r1++;

        if (arr[i] < 0) r2++;

        if (arr[i] == 0) r3++;

        i++;

    }

    r1 = r1/s;

    r2 = r2/s;

    r3 = r3/s;

    // It will print the final output

    cout << fixed << setprecision(6) << "\n\n" << r1 << endl << r2 << endl << r3 << endl;

    return 0;

}