Alitaulukot

#include <iostream>
#include <vector>

int biggest(const int* b, const int* e) {
	
	int temp = *b;
	for (const int* it = b; it != e; ++it)
		if (*it > temp)
			temp = *it;

	return temp;
}


int smallest(const int* b, const int* e) {
	
	int temp = *b;
	for (const int* it = b; it != e; ++it)
		if (*it < temp)
			temp = *it;

	return temp;
}

int main() {
	
	int n, k;
	std::cin >> n >> k;
	
	int nums[n];

	for (int i = 0; i != n; ++i)
		std::cin >> nums[i];
	
	int* nums_end = nums + n;
	int ret = 0;
	int min, max, diff;

	for (int* a_it(nums); a_it != nums_end; ++a_it) {
		for (int* b_it(a_it+1); b_it != nums_end+1; ++b_it) {
			
			max = biggest(a_it, b_it);
			min = smallest(a_it, b_it);
			diff = max - min;
			
			if (diff <= k)
				++ret;

		}
	}

	std::cout << ret << std::endl;

	return 0;
}

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

Test 6

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 7

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 8

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 16

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 17

Group: 3

Verdict: TIME LIMIT EXCEEDED