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- #include<stdio.h>
- int main()
- {
- int n,r,n1,n2;
- int ar[100][100];
- printf("Enter N : ");
- scanf("%d",&n);
- printf("Enter R : ");
- scanf("%d",&r);
- printf("Enter n1: ");
- scanf("%d",&n1);
- printf("Enter n2: ");
- scanf("%d",&n2);
- int i,j;
- int num=0;
- for(i=0; i<n; i++)
- {
- for(j=0; j<n; j++)
- {
- ar[i][j]=num+1;
- num++;
- }
- }
- printf("\n");
- for(i=0; i<n; i++)
- {
- for(j=0; j<n; j++)
- {
- printf("%d\t",ar[i][j]);
- }
- printf("\n");
- }
- int a,b;
- for(i=0; i<n; i++)
- {
- for(j=0; j<n; j++)
- {
- if(n1==ar[i][j])
- {
- a=i;
- b=j;
- break;
- }
- }
- }
- int isConnected = 0;
- for(i=a-r; i<=a+r; i++)
- {
- if(i>=0 && i<n)
- {
- for(j=b-r; j<=b+r; j++)
- {
- if(j>=0 && j<n)
- {
- if(ar[i][j]==n2)
- {
- isConnected = 1;
- }
- }
- }
- }
- }
- if(isConnected==1)
- {
- printf("\nConnected!!\n");
- }
- else
- {
- printf("\nNot Connected!!\n");
- }
- return 0;
- }
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