جمع دو عدد بر واحد inch-feet به زبان سی پلاس پلاس cpp

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#include <iostream>

using namespace std;

struct Distance{
    int feet;
    float inch;
}d1,d2,sum;

int main(){
    cout << "Enter information for 1st distance" << endl;
    cout << "Enter feet: ";
    cin >> d1.feet;
    cout << "Enter inch: ";
    cin >> d1.inch;
    cout << endl << "Enter information for 2nd distance" << endl;
    cout << "Enter feet: ";
    cin >> d2.feet;
    cout << "Enter inch: ";
    cin >> d2.inch;
    sum.feet=d1.feet+d2.feet;
    sum.inch=d1.inch+d2.inch;

/* If inch is greater than 12, changing it to feet. */
    do{
        sum.inch=sum.inch-12.0;
        ++sum.feet;
    }while(sum.inch>12.0);

    cout << endl << "Sum of distances= " << sum.feet << " feet  " << sum.inch << " inch";
    retu 0;
}

Output

Enter information for 1st distance
Enter feet: 12
Enter inch: 3.45

Enter information for 1st distance
Enter feet: 12
Enter inch: 9.2

Sum of distances= 25 feet  0.65 inch