in C programming

1. Place parenthesis in the following expressions to explicitly show the order of evaluation. For example, a+b c (a(b c)) a) ld= 1 && l a++ p : b * 6 + 7 / c 2. Convert the following switch-case code to an if-else code 1 switch (n ) 2 3 case 1: a - 1*n; 5 case 2: a 2*n; break; 6 7 default: a = 0; break