Problem2 - Word Game

Problem2.cpp

#include <iostream>
using namespace std;
int main()
{
	int i, j, k, n, m, word_len=0, br=0;
	char arr1[100];
	char arr2[100][100];
	cout<<"Enter a word"<<endl;
	cin>>arr1;
	cout<<"Enter number of rows: "<<endl;
	cin>>n;
	cout<<"Enter number of coulumns: "<<endl;
	cin>>m;
	cout<<"Enter letters: "<<endl;	
	for (i=0; i<n; i++)
	for (j=0; j<m; j++)
    cin >> arr2[i][j];
	//looks for straight horizontal word
	for(; arr1[word_len]!='\0'; word_len++);
	for(i=0; i<n; i++)
	{
		j=0;	
		for(k=0; k<word_len; k++)
			{
				if (arr2[i][j]==arr1[k])
				  j++;
				else break;
				if(j==word_len-1) {br++; }
			}
	}
	//looks for reverse horizontal word
	for(i=0; i<n; i++)
	{
		j=word_len-1;
		if(arr2[i][j]==arr1[0])	
		for(k=0; k<word_len; k++)
			{
				if (arr2[i][j]==arr1[k])
				  j--;
				else break;
				if(j==0) {br++;}
			}
	}
	//looks for straight vertical word
	for(j=0; j<m; j++)
	{
		i=0;	
		for(k=0; k<word_len; k++)
			{
				if (arr2[i][j]==arr1[k])
				  i++;
				else break;
				if(i==word_len-1) {br++; }
			}
	}
	//looks for reverse vertical word
	for(j=0; j<m; j++)
	{
		i=word_len-1;	
		for(k=0; k<word_len; k++)
			{
				if (arr2[i][j]==arr1[k])
				  i--;
				else break;
				if(i==0) {br++; }
			}
	}
	int oldi, oldj;
	//looks for main diagonal word
	for(i=0; i<n; i++)
	{
		for(j=0; j<m; j++)
		{	
		    if(arr2[i][j]==arr1[0]){
				oldi=i+1;
				oldj=j+1;
				for(k=1; k<word_len; k++)
				{
					if ((arr2[oldi++][oldj++]==arr1[k]));
					else break;
					if(oldi-i==word_len&&oldj-word_len==j) {br++; }
				}	
			}
		}
	}
	//looks for reversed main diagonal word
	for(i=0; i<n; i++)
	{
		for(j=0; j<m; j++)
		{
			if(arr2[i][j]==arr1[0]){
				oldi=i-1;
				oldj=j-1;
				for(k=1; k<word_len; k++)
				{
					if ((arr2[oldi--][oldj--]==arr1[k]));
					else break;
					if(oldi+word_len==i&&oldj+word_len==j) {br++; }
				}	
			}
		}
	}
	cout<<br;
}