Added setMatrixZeroes solution

Author: nhistory

set-matrix-zeroes/nhistory.js

@@ -0,0 +1,24 @@
+var setZeroes = function (matrix) {
+  let rows = new Set();
+  let cols = new Set();
+
+  for (let row = 0; row < matrix.length; row++) {
+    for (let col = 0; col < matrix[0].length; col++) {
+      if (matrix[row][col] === 0) {
+        rows.add(row);
+        cols.add(col);
+      }
+    }
+  }
+
+  for (let row = 0; row < matrix.length; row++) {
+    for (let col = 0; col < matrix[0].length; col++) {
+      if (rows.has(row) || cols.has(col)) {
+        matrix[row][col] = 0;
+      }
+    }
+  }
+};
+
+// TC: O(m*n)
+// SC: O(m*n)