Program to calculate the sum of first n natural numbers using while loop
C Programming Language Loop control in C Language (Article) Loop control in C Language (Program)
2174Program:
// Program to calculate the sum of first n natural numbers // Positive integers 1,2,3...n are known as natural numbers #include int main() { int num, count, sum = 0; printf("Enter a positive integer: "); scanf("%d", &num); count = 1; while(count <= num) { sum += count; ++count; } printf("Sum = %d \n", sum); return 0; }
Output:
Enter a positive integer: 10 Sum = 55 Press any key to continue . . .
Explanation:
Program to calculate the sum of first n natural numbers using while loop
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