moderncpp/loop2.cpp at main · saurabhdare/moderncpp

18 lines (15 loc) · 522 Bytes

#include <iostream>

#include <iomanip>

int main() {

const double pi { 3.14159265358979323846 };

const size_t perline { 1 };

size_t linecount {};

for (double radius { 0.2 }; radius <= 3.0; radius += 0.2) {

std::cout << std::fixed << std::setprecision(2) << " radius =" << std::setw(5) << radius << " area =" << std::setw(6) << pi * radius * radius;

if (perline == ++linecount) {

std::cout << std::endl;

linecount = 0;

}

std::cout << std::endl;

}

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