ProwessApps|C Arrays Programs

prowessapps.in Arrays Programs

C Program to calculate the sum of all elements of an array .

#include<stdio.h>
int main( ) {
 int i,sum=0;
 int a[5];
 printf("Enter 5 elements : ");
 for(i=0; i < 5; i++) {
  scanf("%d",&a[i]);
 }
 for(i=0; i < 5; i++) {
  sum = sum +a[i];
 }
 printf("SUM = %d",sum);
 return 0;
}

OUTPUT :

Enter 5 elements : 10 20 30 25 35
SUM = 120

C Program to find largest number of an array .

#include<stdio.h>
int main( ) {
 int i,max;
 int a[5];
 printf("Enter 5 elements : ");
 for(i=0; i < 5; i++) {
  scanf("%d",&a[i]);
 }
 max = a[0];
 for(i=0; i < 5-1; i++) {
  if( a[i+1] > a[i] )
   max = a[i+1];
 }
 printf("Largest Number = %d",max);
 return 0;
}

OUTPUT :

Enter 5 elements : 10 12 15 23 20
Largest Number = 23

C Program to find smallest element of an Array .

#include<stdio.h>
int main( ) {
 int i,min;
 int a[5];
 printf("Enter 5 elements : ");
 for(i=0; i < 5; i++) {
  scanf("%d",&a[i]);
 }
 min = a[0];
 for(i=0; i < 5-1; i++) {
  if( a[i+1] < a[i] )
   min = a[i+1];
 }
 printf("Smallest Number = %d",min);
 return 0;
}

OUTPUT :

Enter 5 elements : 10 12 15 23 20
Smallest Number = 10

C Program to find the second smallest element of an array .

#include< stdio.h>
int main() {
 int a[50],n,i,j=0,min,smin;
 printf("Enter Array Size: ");
 scanf("%d",&n);
 printf("Enter %d element: ",n);
 for(i=0;i< n;i++)
  scanf("%d",&a[i]);
 min=a[0];
 for(i=1;i< n;i++){
  if(min > a[i]) {
   min = a[i];
   j = i;
  }
 }
 smin=a[n-j-1];
  for(i=1;i< n;i++){
   if(smin > a[i] && j != i)
    smin =a[i];
  }
 printf("2nd smallest:%d",smin);
 return 0;
}

OUTPUT :

Enter Array Size: 5
Enter 5 element: 1 2 3 4 5
2nd smallest:2

C Program to find the second largest element of an array .

#include< stdio.h>
int main() {
 int a[50],n,i,j=0,max,smax;
 printf("Enter Array Size: ");
 scanf("%d",&n);
 printf("Enter %d element: ",n);
 for(i=0;i< n;i++)
  scanf("%d",&a[i]);
 max=a[0];
 for(i=1;i< n;i++) {
  if(max < a[i]) {
   max=a[i];
   j = i;
  }
 }
 smax=a[n-j-1];
 for(i=1;i< n;i++) {
  if(smax < a[i] && j != i)
   smax = a[i];
 }
 printf("2nd Largest: %d",smax);
 return 0;
}

OUTPUT :

Enter Array Size: 5
Enter 5 element: 1 2 3 4 5
2nd Largest: 4

C Program to search an element in an array .

#include<stdio.h>
int main( ) {
 int i,search,flag = 0;
 int a[5];
 printf("Enter 5 elements : ");
 for(i=0; i < 5; i++) {
  scanf("%d",&a[i]);
 }
 printf("Enter no. to search : ");
 scanf("%d",&search);
 for(i=0; i < 5; i++) {
  if( a[i] == search ) {
    flag = 1;
    break;
  }
 }
 if(flag == 1) {
  printf("Fount at %d", (i+1));
 }
 else {
  printf("Not Fount");
 }
 return 0;
}

OUTPUT :

Enter 5 elements : 10 12 15 23 20
Enter no.to search : 15
Found at 3

C Program to reverse an array. .

#include<stdio.h> 
int main( ) {
 int i, j;
 int orig[5], rev[5];
 printf("Enter array elements : ");
 for (i = 0; i < 5 ; i++){
   scanf("%d", &orig[i]);
 }
 for (i=4, j=0; i>=0; i--,j++){
   rev[j]=orig[i];
 }
 printf("Reverse array is : ");
 for (i = 0; i < 5; i++){
   printf("%d  ", rev[i]);
 }
 return 0;
}

OUTPUT :

Enter the array elements : 1 2 3 4 5
Reverse array is : 5  4  3  2  1

C Program to perform addition of two matrix .

#include<stdio.h>
int main( ) {
 int r=3, c=3, i, j ;
 int m1[3][3], m2[3][3],m3[3][3];
 printf("Enter elements of mat1: ");
 for(i=0; i < r; i++){
   for(j=0; j < c; j++){
      scanf("%d", &m1[i][j]);
   }
 }
  
 printf("Enter elements of mat2: ");
 for(i=0; i < r; i++){
   for(j=0 ; j < c; j++){
     scanf("%d", &m2[i][j]);
   }
 }
 
 printf("Sum of Matrix :\n");
  for(i=0; i < r; i++) {
    for(j=0 ; j < c; j++) {
      m3[i][j] = m1[i][j]+m2[i][j];
      printf("%d  ", m3[i][j]);
     }
   printf("\n");
 }
 return 0;
}

OUTPUT :

Enter the elements of mat1 : 
1 2 3
2 3 4
1 5 4
Enter the elements of mat2 : 
6 5 3
3 4 5
6 5 3
Sum of Matrix :
7  7   6
5  7   9
7  10  7

C Program to Subtract two matrix .

#include<stdio.h>
int main( ) {
 int r=3, c=3, i, j ;
 int m1[3][3], m2[3][3],m3[3][3];
 printf("Enter elements of mat1: ");
 for (i = 0; i < r; i++){
   for (j = 0; j < c; j++){
      scanf("%d", &m1[i][j]);
   }
 }
  
 printf("Enter elements of mat2: ");
 for (i = 0; i < r; i++){
   for (j = 0 ; j < c; j++){
     scanf("%d", &m2[i][j]);
   }
 }
 
 printf("Difference of Matrix :\n");
  for (i = 0; i < r; i++) {
    for (j = 0 ; j < c; j++) {
      m3[i][j] = m1[i][j]-m2[i][j];
      printf("%d  ", m3[i][j]);
     }
   printf("\n");
 }
 return 0;
}

OUTPUT :

Enter elements of mat1 : 
6 5 3
3 4 5
6 5 3
Enter elements of mat2: 
1 2 3
2 3 4
1 5 4
Difference of Matrix :
5  3  0 
1  1  1
5  0  -1

C Program to multiply two Matrix .

#include<stdio.h>
int main( ) {
 int r1=3, c1=2, r2=2, c2=4;
 int i, j, k, sum = 0;
 int m1[3][2], m2[2][4], m3[3][4];
 printf("Enter elements of mat1: "); 
 for (i = 0; i < r1; i++){
   for (j = 0; j < c1; j++){
     scanf("%d", &m1[i][j]);
   }
 }
 printf("Enter elements mat2: ");
 for (i = 0; i < r2; i++){
  for (j = 0; j < c2; j++){
    scanf("%d", &m2[i][j]);
  }
 }
 
for (i=0; i < r1; i++){
  for (j=0; j < c2; j++){
    for (k=0; k < r2; k++){
      sum = sum + m1[i][k]*m2[k][j];
    }
    m3[i][j] = sum;
    sum = 0;
  }
}
printf("Product of Matrix : \n");
for (i=0; i < r1; i++) {
  for (j=0; j < c2; j++){
    printf("%d  ", m3[i][j]);
   }
   printf("\n");
  }
 return 0;
}

OUTPUT :

Enter elements of mat1 : 
1 3
3 4
2 3
Enter elements of mat2 :
1 2 3 4
3 4 5 6
Product of Matrix :
10  14  18  22
15  22  29  36
11  16  21  26

C Program to display the Transpose of Matrix .

#include<stdio.h>
int main( ){
 int r=3, c=2, i, j;
 int mat[3][2], trans[2][3]; 
 printf("Enter elements of mat: ");
 for (i=0; i < r; i++){
  for(j=0; j < c; j++){
   scanf("%d",&mat[i][j]);
  }
 }
 for (i=0; i < r; i++){
  for( j=0 ; j < c ; j++ ){
   trans[j][i] = mat[i][j];
  }
 }
  printf("Transpose of Matrix: ");
  for (i = 0; i < c; i++){
   for (j = 0; j < r; j++){
    printf("%d  ",trans[i][j]);
   }
  printf("\n");
}
 return 0;
}

OUTPUT :

Enter elements of Mat : 
1 2
3 4
5 6
Transpose of Matrix : 
1  3  5
2  4  6

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