Periodic Test -1.md

[Periodic Test -1] Solutions

[A]

(1) i+1

(2) Real

(3) ; (Statement Terminator)

(4) 2 or 4 bytes

(5) Do-while

[B]

(1) True

(2) True

(3) False

(4) True

(5) False

[C]

(a) 5 5 6

(b) 65 A

(c) 2 1

(d) 21525

(e) 0 1

[D]

(a) Syntax of logical connectives is incorrect.

(b) "then" is not any type of syntax in C language.

(c) Parentheses should be used in conditional operators to specify the associativity of operations.

(d) NO ERROR

(e) NO ERROR

[E]

(1)

 #include <stdio.h>
  int fact (int);
  int main()
  {
    long int sum=0;
    int i;  
    for(i=1;i<=9;i++)
      {
        sum+=(fact(i)*fact(i+1)); 
      }
    printf("%ld",sum);
    return 0;
  }
   int fact(int fact)
  {
    int result=1,i;
    for(i=1;i<=fact;i++)
   {
    result*=i;
    }
    return result;
  }

(2)

    #include<stdio.h>
int main()
{
 int cp=0,cn=0,cz=0,number;
char another='y';
while(another=='y')
{
    scanf("%d",&number);
    
    if(number<0)
    {
        cn++;
    }
     if(number>0)
    {
        cp++;
    }
     if(number==0)
    {
        cz++;
    }
    
    printf("Enter Another Number y/n ?\n");
    fflush (stdin);
    scanf(" %c",&another);
}
printf("Number of Positives = %d\n",cp);
printf("Number of Negatives = %d\n",cn);
printf("Number of Zeroes = %d\n",cz);
return 0;
 }

(3)

#include<stdio.h>
int main()
{   
 int size,i;
 printf("Enter number of elements you want to Enter\n");
 scanf("%d",&size);
  int array[size];
 printf("Enter Elements now \n");
 for(i=0;i<size;i++)
 {
     scanf("%d",&array[i]);
  }
 int large=array[0],small=array[0];
    for(i=1;i<size;i++)
     {
       if(array[i]>large)
      {
          large=array[i];
      }
     if(array[i]<small)
      {
         small=array[i];
      }
  }
printf("The Largest Number is %d and Smallest Number is %d.\n",large,small);
printf("The Range is %d",large-small);
return 0;
}

(4)

 #include<stdio.h>
int main()
{
 int num1,num2,num3;
 printf("Enter Numbers one by one.\n");
 scanf("%d %d %d",&num1,&num2,&num3);
 int smallest,largest,sum=0,middle;
 sum=num1+num2+num3;
 smallest=num1<num2?(num1<num3?num1:num3):(num2<num3?num2:num3);
 largest=num1>num2?(num1>num3?num1:num3):(num2>num3?num2:num3);
 middle=sum-smallest-largest;
 if((largest*largest)==(smallest*smallest)+(middle*middle))
 {
      printf("Entered Numbers are Pythagorean triplet.\n");
  }
  else
 {
     printf("Entered Numbers are not Pythagorean triplet.\n");
 }
 return 0;
}