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[Lab Assignment #3]
[Red ID Sum]
COMPE-
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Emrashvili Luka 823355800
Part 1)
1. We have to write a program that uses scanf() to input a decimal integer, calculate the sum of the digits of the written decimal integer, and, finally, use printf() to print the sum of the digits 2. C-code: #include <stdio.h> #include <stdlib.h> int main() { int n, sum = 0; printf ("Enter an integer: "); scanf ("%d", &n); printf ("\n"); while (n != 0) { sum = sum + n%10; n = n / 10; } printf ("Sum of the digits for the number entered = %d\n", sum); return 0; }
Part 3)
1. We have to write a program that evaluates and prints the value of the polynomial ax^2 + bx + c,
given user inputs for a, b, c, and x. But, at this time we have to use float variables.
2. C-code:
#include <stdio.h> #include <stdlib.h> int main() { double a, b, c, x, value; printf("a b c x : "); scanf("%lf", &a); scanf("%lf", &b); scanf("%lf", &c); scanf("%lf", &x); value = a * x * x + b * x + c; printf("The value of the polynomial = %lf", value); return 0; }
