In a C program, what is the difference between compile-time errors and run-time errors?

An error or exception is a situation where the expected result cannot be achieved due to an interruption in code execution. Depending on the event that generates or identifies the error, we can classify it into compile-time errors and run-time errors.

The following are the important differences between compile-time errors and run-time errors.

Examples of compile-time errors and run-time errors

CompileDemo.c

#include<stdio.h>
public class CompileDemo{
   void main(){
      int x = 100;
      int y = 155;
      // semicolon missed
      printf("%d", (x, y))
   }
}

Output

error: expected ';' before '}' token

Example

RuntimeDemo.c

include<stdio.h>
public class RuntimeDemo{
   void main(){
      int n = 9;
      div = 0;
      div = n/0;
      printf("resut = %d", div);
   }
}

Output

warning: division by zero [-Wdiv-by-zero]
div = n/0;

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