Tag: Codeforces Round #411 (Div. 1)
Codeforces Round #411 (Div....
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.StringTokenizer;
public class...
Codeforces Round #411 (Div....
#include <stdio.h>
int n;
int main()
{
scanf("%d",&n);
if(n%4>1)return printf("NOn"),0;
printf("YESn");
for(int i=1;i<n;i+=4)
{
if(n%4)printf("%d %dn%d %dn%d %dn",i+2,n,i+2,i+3,i+3,n);
else...