#include <iostream> #include <iomanip> int main() { double d = 122.345; std::cout << std::fixed; std::cout << std::setprecision(2); std::cout << d; }
#include <iostream> #include <iomanip> int main() { double d = 122.345; std::cout << std::fixed << std::setprecision(2) << d; } //result that get print out: 122.34
#include <iostream> #include <cstdio> using namespace std; int main() { // This code helps you to print a number with desired decimal double Number=10.3454; printf("%.3lf",Number); return 0; }
std::cout << std::setprecision(2) << std::fixed; // where the 2 is how many decimal places you want // note you need to <iomanip>