510A. Fox And Snake.cpp

//============================================================================
//problem link:http://codeforces.com/problemset/problem/510/A
// Name        : .cpp
// Author      : mohand sakr
// Version     :
// Copyright   : use it under your responsibility
// Description : Hello World in C++, Ansi-style
//status:accepted
//============================================================================

#include <iostream>
using namespace std;

int main() {

int n,m;
cin>>n>>m;
int oddness=0;
for(int i=0;i<n;i++){
	if(i%2==0){

	for(int j=0;j<m;j++){
		cout<<"#";}
	}
		else {
			++oddness;
			for(int j=0;j<m;j++){
					if(oddness%2==1&&j==m-1){
						cout<<"#";
					}
					else if(oddness%2==0&&j==0){
						cout<<"#";

					}
					else {
						cout<<".";
					}
			}
		}
	cout<<"\n";


	}

	return 0;
}