In this program, You will learn how to find the second largest digit of a number in c.

`1234 => Second largest digit is: 3`

## Example: How to find the second largest digit of a number in c.

```
#include<stdio.h>
int main() {
int n, num, rev=0;
int r, l = 0, sl = 0;
printf("Enter a number:");
scanf("%d", &n);
while (n > 0) {
r = n % 10;
if (l < r) {
l = r;
}
rev = rev * 10 + r;
n = n / 10;
}
printf("First largest digit:%d", l);
n = rev;
while (n > 0) {
r = n % 10;
if (l != r) {
if (sl < r) {
sl = r;
}
}
n = n / 10;
}
printf("\nSecond largest digit:%d", sl);
return 0;
}
```

#### Output:

```
Enter a number:23586
First largest digit:8
Second largest digit:6
```