1. Below are nested if statements. Optimize (re-write) the code so it only uses one if statement but is still logically equivalent to the original. (2) // the details of the two myfunctions are not important for this exercise void myfunction(); void myfunction2(); int main(int argc, char const*argv[]) { int a, b, c, d, e, f; if (ab) { if (c == d) { if (e