count pairs of happy elements c programing
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Answer:
#include<stdio.h>
int main()
{
int N,K,X,i,j,count=0;
scanf("%d%d",&N,&K);
int arr[N];
for(i=0;i<N;i++) {
scanf("%d",&arr[i]);
}
for(i=0;i<N;i++)
{
X=arr[i];
for(j=0;j<N;j++)
{
if((arr[j]>=(X-K))&&(arr[j]<=(X+K))&&(j!=i))
{
count++;
break;
}
}
}
printf("%d",count);
}
Explanation:
thank u
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