In this program, we are going to find the largest number among three numbers, similar to the previous one, but it is nested if-else version.
Logic
Let three variables be: A = 400, B = 200 and C = 300
The logic goes like this:
- if A >= B then check for if A >= C, then print A else print C.
- else part: if B >= C then print B else print C.
See the below-shown flow diagram to better understand.
Program
#include <stdio.h>
int main() {
int num1, num2, num3;
printf("Enter 1st number : ");
scanf("%d", &num1);
printf("\nEnter 2nd number : ");
scanf("%d", &num2);
printf("\nEnter 3rd number : ");
scanf("%d", &num3);
if(num1 >= num2) {
if(num1 >= num3) {
printf("\n%d is largest number", num1);
} else {
printf("\n%d is largest number", num3);
}
} else {
if(num2 >= num3) {
printf("\n%d is largest number", num2);
} else {
printf("\n%d is largest number", num3);
}
}
return 0;
}Output
Enter 1st number : 100
Enter 2nd number : 10
Enter 3rd number : 99
100 is largest number