Codeforces Round #386 (Div. 2), problem: (B) Decoding Solution in C/C++

Codeforces Round #386 (Div. 2), problem: (B) Decoding Solution in C/C++

#include<stdio.h>
int main(){
	int n,i;char a[2001];
	scanf("%d",&n);
	scanf("%s",a);
	n-=1;
	for(i=n-1;i>=0;i-=2)
	{ printf("%c",a[i]);
	}
	if(n%2==0)
		i=0;
	else
		i=1;
	for(i;i<=n;i+=2)
		printf("%c",a[i]);
	return 0;

}

Codeforces Round #386 (Div. 2), problem: (B) Decoding Solution in C/C++

#include<stdio.h>
int main(){
	int n,i;char a[2001];
	scanf("%d",&n);
	scanf("%s",a);
	n-=1;
	for(i=n-1;i>=0;i-=2)
	{ printf("%c",a[i]);
	}
	if(n%2==0)
		i=0;
	else
		i=1;
	for(i;i<=n;i+=2)
		printf("%c",a[i]);
	return 0;

}