Operator Precedence In C

Why Operator Precedence?

Every Operator have their own precedence because without operator precedence a complier will conflict with data when performing mathematical calculations.

Example

Consider the following expression 6 - 4 + 8 without operator precedence compiler is helpless to choose which operator needs to execute first. Thus Operator Precedence helps compiler out there.

The following table lists all C operators and their precedence from higher priority to lower priority

Operator precedence program(Easy)

#include <stdio.h> //header file section
int main()
{
int a = 2, b = 6, c = 12, d;
d = a + c / b;
printf("The value of d = %d ", d);
return 0;
}

Operator precedence in C(Medium)

#include <stdio.h> //header file section
int main()
{
int a = 2, b = 6, c = 12, d;
d = a * b + c / b;
printf("The value of d = %d ", d);
return 0;
}

Operator Precedence in C(Hard)

#include <stdio.h> //header file section
int main()
{
int a = 10, b = 10, c = 1, d = 5, r;
r = ++a + (++b) + b-- * (++c) + --d;
printf("The value of r = %d ", r);
return 0;
}

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