printf in c++
#include <cstdio>
int main()
{
    char ch = 'a';
    float a = 5.0, b = 3.0;
    int x = 10;
    printf("%.3f / %.3f = %.3f \n", a,b,a/b);
    printf("Setting width %*c \n",5,ch);
    printf("Octal equivalent of %d is %o \n",x,x);
    return 0;
}