View Code of Problem 65

#include<stdio.h>
#include<string.h>
#include<math.h>
int main()
{
	int t;
	scanf("%d",&t);
	while(t--)
	{
		int r;
		scanf("%d",&r);
		int a[r][r];
		int i,j;
		for(i=0;i<n;i++)
		{
			for(j=0;j<=i;j++)
			{
				scanf("%d",&a[i][j]);
			}
		}
		for(i=n-1;i>0;i--)
		{
			for(j=0;j<i;j++)
			{
				if(a[i][j]>a[i][j+1])
					a[i-1][j]+=a[i][j];
				else
					a[i-1][j]+=a[i][j+1];
			}
		}
		printf("%d\n",a[0][0]);
	}
	return 0;	
}
/*
Main.c: In function 'main':
Main.c:14:13: error: 'n' undeclared (first use in this function)
   for(i=0;i<n;i++)
             ^
Main.c:14:13: note: each undeclared identifier is reported only once for each function it appears in
*/