JSFiddle - React, Tailwind, and code Playground

by gschutz

JavaScript

var A = []; // matriz qualquer n x n

A = [[2, 3, 4],
		 [3, 5, 5],
     [4, 5, 6]];
     
function brute_force(A, x) {
	var pertence = false;
  
	for (var i = 0; i < A.length; i++) {
  	for (var j = 0; j < A.length; j++) {
      if (A[i][j] == x)
      	return true;
    }
  }
  return pertence;
}

function print(tx) {
	document.body.innerHTML += tx + "<br>";
}

print(brute_force(A, 2));
print(brute_force(A, 4));
print(brute_force(A, 6));
print(brute_force(A, 7));