Assistant System Engineer

#include 
int main() {

int i, n;

// initialize first and second terms
int t1 = 0, t2 = 1;

// initialize the next term (3rd term)
int nextTerm = t1 + t2;

// get no. of terms from user
printf("Enter the number of terms: ");
scanf("%d", &n);

// print the first two terms t1 and t2
printf("Fibonacci Series: %d, %d, ", t1, t2);

// print 3rd to nth terms
for (i = 3; i <= n; ++i) {
printf("%d, ", nextTerm);
t1 = t2;
t2 = nextTerm;
nextTerm = t1 + t2;
}

return 0;
}

#include

int main()
{
//let's assume the maximum array size as 100.
//initialize sum as 0. Otherwise, it will take some garbage value.
int arr[100], size, i, sum = 0;

//Get size input from user
printf("Enter array size\n");
scanf("%d",&size);

//Get all elements using for loop and store it in array
printf("Enter array elements\n");
for(i = 0; i < size; i++)
scanf("%d",&arr[i]);

//add all elements to the variable sum.
for(i = 0; i < size; i++)
sum = sum + arr[i]; // same as sum += arr[i];

//print the result
printf("Sum of the array = %d\n",sum);

return 0;
}

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