Source code:
//Write a C code to count the number of negative elements in a 2D matrix.
#include<stdio.h>
int main()
{
int row, col, i, j, count=0;
int a[10][10];
printf("Enter the number of row & column:");
scanf("%d %d", &row, &col);
printf("Enter the matrix:\n");
for (i=0; i<row; ++i)
{
for (j=0;j<col; ++j)
scanf("%d",&a[i][j]);
}
for (i=0; i<row; ++i)
{
for (j=0;j<col; ++j)
{
if(a[i][j]<0)
count = count + 1;
}
}
printf("No. of Negative Elements = %d",count);
return 0;
}
Output:
Source code:
//Write a C program to find the first repeated element in an array of size 5
#include <stdio.h>
int main()
{
int arr[5];
int i,j,n=5;
int ind=-1,ele; /* to store index & element */
/* read array elements */
for(i=0; i<n; i++)
{
printf("Enter the value for %d: ",i);
scanf("%d",&arr[i]);
}
for(i=0; i<n; i++)
{
for(j=i+1; j<n; j++)
{
if(arr[i]==arr[j])
{
ele=arr[j];
ind=j;
goto l;
break;
}
}
}
l: if(ind!=-1)
printf("%d repeated at index %d\n",ele,ind);
else
printf("There is no repeated element\n");
return 0;
}
Source code:
//C program to calculate Sum and Product of all Elements in an array
#include <stdio.h>
int main()
{
int arr[10];
int sum,product,i;
/*Read array elements*/
for(i=0; i<10; i++)
{
printf("Enter the value for %d: ",i);
scanf("%d",&arr[i]);
}
sum=0;
product=1;
for(i=0;i<10;i++)
{
sum+=arr[i];
product*=arr[i];
}
printf("Sum of array is:%d\n",sum);
printf("Product of array is:%d",product);
return 0;
}
Source code:
//Write a C Program to Calculate mean of 10 numbers
#include <stdio.h>
int main()
{
int num[10];
int i, Number=10;
int Mean, Sum=0;
for(i=0; i<Number; i++)
{
printf("Enter the value for %d: ",i);
scanf("%d", &num[i]);
}
for(i=0; i<Number; i++)
{
Sum = Sum + num[i];
}
Mean = Sum/Number;
printf("%d",Mean);
return 0;
}
Output:
Source code:
/* To add and subtract of two one dimensional array elements and store it in a third and fourth one dimensional array and print it */
#include <stdio.h>
int main()
{
int arr1[5];
int arr2[5];
int arr3[5];
int arr4[5];
int i=0;
/*Read array elements*/
printf("For 1st array:-\n");
for (i=0; i<5; i++)
{
printf("Enter the value for %d: ",i);
scanf("%d",&arr1[i]);
}
printf("For 2nd array:-\n");
for (i=0; i<5; i++)
{
printf("Enter the value for %d: ",i);
scanf("%d",&arr2[i]);
}
for(i=0;i<5;i++)
{
arr3[i]=arr1[i]+arr2[i];
arr4[i]=arr1[i]-arr2[i];
}
printf("Sum of two array:-\n");
for (i=0; i<5; i++)
{
printf("%d\n",arr3[i]);
}
printf("Subtraction of two array:-\n");
for (i=0; i<5; i++)
{
printf("%d\n",arr4[i]);
}
return 0;
}
Source code:
//Merge two one dimensional array elements in one dimensional third array
#include <stdio.h>
int main()
{
int arr1[5];
int arr2[5];
int arr3[10];
int i=0,j=0;
/*Read array elements*/
printf("For 1st array:-\n");
for (i=0; i<5; i++)
{
printf("Enter the value for %d: ",i);
scanf("%d",&arr1[i]);
}
printf("For 2nd array:-\n");
for (i=0; i<5; i++)
{
printf("Enter the value for %d: ",i);
scanf("%d",&arr2[i]);
}
for(i=0;i<5;i++)
{
arr3[i]=arr1[i];
}
for(j=5,i=0;j<10,i<5;j++,i++)
{
arr3[j]=arr2[i];
}
for (i=0; i < 10; i++)
{
printf ("%d\n",arr3[i]);
}
return (0);
}
Output:
Source code: //Write a program in C to convert a decimal number to binary using recursion. #include<stdio.h> long convertB_to_D(int d...
