Help me in solving START01 problem

My issue

i want expianation in c programming language

My code

#include <stdio.h>

int main(void) {
	// your code goes here
	return 0;

Problem Link: START01 Problem - CodeChef


include <stdio.h>

int main(void) {
int n;
scanf(ā€œ%dā€,&n);//this line accepts values from the user
printf(ā€œ%d\nā€,n);//this line displays the output to the user
return 0;

Problem Link: