C programming
Simple problems for beginners
By SHAHRIAR
Contents:
1. Find the average of any three numbers.
2. Find the bigger number of any two numbers.
3. Find the biggest number of any three numbers.
4. Find if the number is positive or negative.
5. Find if the number is odd or even.
6. Find grade (BUBT grading system).
7. Calculate summation of the series : 1+2+3+4+……………….+n
8. Calculate factorial of n! .
9. Convert Celsius temperature to Fahrenheit.
10. Convert Fahrenheit temperature to Celsius.
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Problem#1: Find the average of any three numbers.
#include<stdio.h>
int main()
{
int a,b,c,avg;
printf(“Input first number:”);
scanf(“%d”,&a);
printf(“Input second number:”);
scanf(“%d”,&b);
printf(“Input third number:”);
scanf(“%d”,&c);
avg=(a+b+c)/3;
printf(“Average=%d”,avg);
return 0;
}
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Problem#2: Find the bigger number of any two numbers.
#include<stdio.h>
int main()
{
int a,b;
printf(“Input first number:”);
scanf(“%d”,&a);
printf(“Input second number:”);
scanf(“%d”,&b);
if(a>b)
printf(“%d is bigger number.”,a);
