10:ARRAY programms

//FIND OUT LARGEST NUMBER IN AN ARRAY USING C PROGRAM

#include<stdio.h>
int main(){
  int a[50],size,i,big;
  printf("\nEnter the size of the array: ");
  scanf("%d",&size);
  printf("\nEnter %d elements in to the array: ", size);
  for(i=0;i<size;i++)
      scanf("%d",&a[i]);
  big=a[0];
  for(i=1;i<size;i++){
      if(big<a[i])
           big=a[i];
  }
  printf("\nBiggest: %d",big);
  return 0;
}

//FIND OUT SECOND LARGEST NUMBER IN AN UNSORTED ARRAY USING C PROGRAM

#include<stdio.h>
int main(){
  int a[50],size,i,j=0,big,secondbig;
  printf("Enter the size of the array: ");
  scanf("%d",&size);
  printf("Enter %d elements in to the array: ", size);
  for(i=0;i<size;i++)
      scanf("%d",&a[i]);

  big=a[0];
  for(i=1;i<size;i++){
      if(big<a[i]){
           big=a[i];
           j = i;
      }
  }

  secondbig=a[size-j-1];
  for(i=1;i<size;i++){
      if(secondbig <a[i] && j != i)
          secondbig =a[i];
  }

  printf("Second biggest: %d", secondbig);
  return 0;
}

Sample output:
Enter the size of the array: 5
Enter 5 elements in to the array: 5 3 2 1 0
Second biggest: 3

/Write a c program to find out second smallest element of an unsorted array

#include<stdio.h>
int main(){
  int a[50],size,i,j=0,small,secondsmall;
  printf("Enter the size of the array: ");
  scanf("%d",&size);
  printf("Enter %d elements in to the array: ", size);
  for(i=0;i<size;i++)
         scanf("%d",&a[i]);

  small=a[0];
  for(i=1;i<size;i++){
         if(small>a[i]){
               small=a[i];
               j = i;
      }
  }

  secondsmall=a[size-j-1];
  for(i=1;i<size;i++){
         if(secondsmall > a[i] && j != i)
              secondsmall =a[i];
  }

  printf("Second smallest: %d", secondsmall);
  return 0;
}

Enter the size of the array: 5
Enter 5 elements in to the array: 5 7 3 2 6
Second smallest: 3

//REMOVE DUPLICATE ELEMENTS IN AN ARRAY USING C PROGRAM

#include<stdio.h>
int main(){
  int arr[50];
  int *p;
  int i,j,k,size,n;
  printf("\nEnter size of the array: ");
  scanf("%d",&n);
  printf("\nEnter %d elements into the array: ",n);
  for(i=0;i<n;i++)
    scanf("%d",&arr[i]);
  size=n;
  p=arr;
  for(i=0;i<size;i++){
    for(j=0;j<size;j++){
         if(i==j){
             continue;
         }
         else if(*(p+i)==*(p+j)){
             k=j;
             size--;
             while(k < size){
                 *(p+k)=*(p+k+1);
                 k++;
              }
              j=0;
          }
      }
  }
  printf("\nThe array after removing duplicates is: ");
  for(i=0;i < size;i++){
    printf(" %d",arr[i]);
  }
  return 0;

}

//INSERT AN ELMENT IN AN ARRAY AT DESIRED POSITION USING C PROGRAM

#include<stdio.h>
int main(){
int a[50],size,num,i,pos,temp;
printf("\nEnter size of the array: ");
scanf("%d",&size);
printf("\nEnter %d elements in to the array: ",size);
for(i=0;iscanf("%d",&a[i]);
printf("\nEnter position and number to insert: ");
scanf("%d %d",&pos,&num);
i=0;
while(i!=pos-1)
i++;
temp=size++;
while(i{
a[temp]=a[temp-1];
temp--;
}
a[i]=num;
for(i=0;iprintf(" %d",a[i]);
return 0;
}

//C program to find largest and smallest number in an array

#include<stdio.h>
int main(){
  int a[50],size,i,big,small;

  printf("\nEnter the size of the array: ");
  scanf("%d",&size);
  printf("\nEnter %d elements in to the array: ", size);
  for(i=0;i<size;i++)
      scanf("%d",&a[i]);

  big=a[0];
  for(i=1;i<size;i++){
      if(big<a[i])
           big=a[i];
  }
  printf("Largest element: %d",big);

  small=a[0];
  for(i=1;i<size;i++){
      if(small>a[i])
           small=a[i];
  }
  printf("Smallest element: %d",small);

  return 0;
}

Sample Output:
Enter the size of the array: 4
Enter 4 elements in to the array: 2 7 8 1
Largest element: 8
Smallest element: 1

//Write a program to convert the two-dimensional array into one-dimensional array

#include

#include

#define mrow 3

#define mcol 2

main()

{

int a[mrow][mcol],b[mrow*mcol];

int i,j,k=0;

clrscr();

printf("Enter the Matrix elements in row order\n");

for(i=0;i<mrow;i++)

for(j=0;j<mcol;j++)

{

scanf("%d",&a[i][j]);

b[k++]=a[i][j];

}

printf("Given Two_dimensinol arry: \n");

for(i=0;i<mrow;i++)

{

for(j=0;j<mcol;j++)

printf("%d\t",a[i][j]);

printf("\n");

}

printf("Equialent One_Dimenson array \n");

for(i=0;i<mrow*mcol;i++)

printf("%d\t",b[i]);

getch();

return;

}

Output:

Enter the Matrix elements in row order

10 15 20 25 30 35

Given Two_dimensinol arry:

10 15

20 25

30 35

Equialent One_Dimenson array

10 15 20 25 30 35

program input integer and store in character array and add it big numbers for example