Npuzzle

#include <bits/stdc++.h>
using namespace std;

int main()
{
	const int N = 4;
	vector<string> v(N);
	for (int i = 0; i < N; ++i) {
		cin >> v[i];	
	}
	pair<int,int> lol = {0, 0};
	vector<pair<int,int>> r(256);
	r['A'] = lol;
	for (int i = 'B'; i <= 'O'; ++i) {
		lol.second++;
		if (lol.second == N) {
			lol.second = 0;
			lol.first++;	
		}
		r[i] = lol;
	}
	int res = 0;
	for (int i = 0; i < N; ++i) {
		for (int j = 0; j < N; ++j) {
			if (v[i][j] == '.') continue;
			res += abs(i - r[v[i][j]].first) + abs(j - r[v[i][j]].second);
		}
	}
	cout << res << "\n";
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED