Media.net OA | 29 july | MNIT JAIPUR

#include <bits/stdc++.h> using namespace std;   #define MOD 1000000007 #define pii pair<int, int> #define ll long long   int dx[] = {0, 0, 1, -1}; int dy[] = {1, -1, 0, 0};   bool isValid(int x, int y, int n, vector<vector<int>>& A, vector<vector<bool>>& visited) {     return x >= 0 && y >= 0 && x < n && y < n && A[x][y] != -1 && !visited[x][y]; }   vector<pii> getReachableCells(int startX, int startY, int n, const vector<vector<int>>& ...