GENERAL:Value of PI

//============================================================================
// Name        : pi.cpp
// Author      : Rohit More
//============================================================================

#include <iostream>
using namespace std;

int main()
{
    float pi=22.0/7.0;
    int i;
    cout<<"Val of pi:";

    for(i=1;i<20;i++)
    {
        cout.width(i+1);
        cout.precision(i);
        cout<<pi<<"\n";
    }
    return 0;
}
/*
 * OUTPUT
 * Val of pi: 3
3.1
3.14
3.143
3.1429
3.14286
3.142857
3.1428571
3.14285707
3.142857075
3.1428570747
3.14285707474
3.142857074738
3.1428570747375
3.14285707473755
3.142857074737549
3.1428570747375488
3.14285707473754883
3.142857074737548828
 *
 */

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