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C Exercises: Find eligibility for admission using Nested If Statement

C Conditional Statement: Exercise-10 with Solution

Write a C program to find the eligibility of admission for a professional course based on the following criteria:
Marks in Maths >=65
Marks in Phy >=55
Marks in Chem>=50
Total in all three subject >=190
or
Total in Math and Physics >=140

Sample Solution:

C Code:

#include <stdio.h>
void main()
{  int p,c,m,t,mp;

   printf("Eligibility Criteria :\n");
   printf("Marks in Maths >=65\n");
   printf("and Marks in Phy >=55\n");
   printf("and Marks in Chem>=50\n");
   printf("and Total in all three subject >=190\n");
   printf("or Total in Maths and Physics >=140\n");
   printf("-------------------------------------\n");

   printf("Input the marks obtained in Physics :");
   scanf("%d",&p);
   printf("Input the marks obtained in Chemistry :");
   scanf("%d",&c);
   printf("Input the marks obtained in Mathematics :");
   scanf("%d",&m);
   printf("Total marks of Maths, Physics and Chemistry : %d\n",m+p+c);
   printf("Total marks of Maths and  Physics : %d\n",m+p);

   if (m>=65)
         if(p>=55)
             if(c>=50)
	        if((m+p+c)>=190||(m+p)>=140)
	           printf("The  candidate is eligible for admission.\n");
	        else
	          printf("The candidate is not eligible.\n");
             else
	    printf("The candidate is not eligible.\n");
         else
	   printf("The candidate is not eligible.\n");
    else
     printf("The candidate is not eligible.\n");
}

Sample Output:

Eligibility Criteria :
Marks in Maths >=65
and Marks in Phy >=55
and Marks in Chem>=50
and Total in all three subject >=190
or Total in Maths and Physics >=140
-------------------------------------
Input the marks obtained in Physics :65
Input the marks obtained in Chemistry :51
Input the marks obtained in Mathematics :72
Total marks of Maths, Physics and Chemistry : 188
Total marks of Maths and  Physics : 137
The candidate is not eligible.

Flowchart:

Flowchart: Find eligibility for admission using Nested If Statement.

C Programming Code Editor:

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C Programming: Tips of the Day

Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?

It is a quirk of the syntax for passing arrays to functions.

Actually it is not possible to pass an array in C. If you write syntax that looks like it should pass the array, what actually happens is that a pointer to the first element of the array is passed instead.

Since the pointer does not include any length information, the contents of your [] in the function formal parameter list are actually ignored.

Ref : https://bit.ly/3fhlvdH