C++ printf() Function

// C++ Program to demonstrate
// use of printf()
#include <iostream>
using namespace std;

int main()
{

    char a[] = "geeksforgeeks";
    printf("The total no of characters returned by "
           "printf() is %d",
           printf("%s", a));
    return 0;
}

// C++ Program to implement
// use of % with printf()
#include <iostream>
using namespace std;

int main()
{

    int a = 5;
    printf("%d", a);
}

// C++ Program to 
#include <bits/stdc++.h>
using namespace std;

int main() {

   char course[]="geeksforgeeks";
  printf("Owner of this article is %s",course);
  return 0;
}

// C++ Program to demonstrate
// Use of %._f
#include <bits/stdc++.h>
using namespace std;

int main()
{
    float Self_paced_price = 3999.0,
          system_design_price = 10999.0;
    printf("the value of system design price / self paced "
           "price is %.3f",
           system_design_price / Self_paced_price);
    return 0;
}

// C++ Program implement
// Decimal to Octal
// Conversion using '%o'.
#include <bits/stdc++.h>

using namespace std;

int main()
{
    int decimal_number = 13;
    printf("Decimal to Octal conversion of %d is %o",
           decimal_number, decimal_number);
    return 0;
}

// C++ Program to implement
// Decimal to hexadecimal
// Conversion using '%x'
#include <bits/stdc++.h>
using namespace std;

int main()
{
    int decimal_number = 13;
    printf("Decimal to Hexadecimal conversion of %d is %x",
           decimal_number, decimal_number);
    return 0;
}

// C++ Program to
// Char to int Conversion
// and Vice Versa.
#include <bits/stdc++.h>
using namespace std;

int main()
{
    int a = 78;
    printf("%c\n", a);

    int b = 'g';
    printf("%d", b);
    return 0;
}