cpp if in one line ? : code example

Example 1: single line if c++

a = (x > y) ? z : y;

/* Same as */

if (x > y)
{
    a = z;
}
else
{
    a = y;
}

Example 2: one line if statement c++

x = condition ? expression1 : expression2

// Example:
double x = (1 > 0) ? 10 : 20; // put any value