View Code of Problem 17

#include<stdio.h>
int climb(int s[100][100],int i,int j)
{
	int a,b,c,d;
	a=b=c=d=0;
	if(s[i][j]>s[i+1][j]&&s[i][j]>s[i-1][j]&&s[i][j]>s[i][j+1]&&s[i][j]>s[i][j-1])
		return 0;
	else
	{
		if(s[i][j]<s[i+1][j])
			a=climb(s,i+1,j)+1;
		if(s[i][j]<s[i-1][j])
			b=climb(s,i-1,j)+1;
		if(s[i][j]<s[i][j+1])
			c=climb(s,i,j+1)+1;
		if(s[i][j]<s[i][j-1])
			d=climb(s,i,j-1)+1;
	}
	return (a>b?a:b)>(c>d?c:d)?(a>b?a:b):(c>d?c:d);
}
 
 
 
int main()
{
	int i,j,n,m,step,max;
	
	while(scanf("%d%d",&n,&m)!=EOF)
	{
		max=0;
		int a[100][100]={0};
		for(i=1;i<=n;i++)
		    for(j=1;j<=m;j++)
			    scanf("%d",&a[i][j]);
	    for(i=1;i<=n;i++)
	    	for(j=1;j<=m;j++)
			{
			    step=climb(a,i,j);
			    if(step>max)
			    	max=step;
			}
        printf("%d\n",max);
	}
	    return 0;
}