Added solution for 2482

Author: chirag64

02482. Difference Between Ones and Zeros in Row and Column.rs

@@ -0,0 +1,39 @@
+impl Solution {
+    // Simple brute-force approach. Generate an output grid of same size. Maintain 4 vectors: onesRow, zerosRow, onesCol, zerosCol to maintain counts of 1s and 0s for each row and column. Then iterate through output grid and update the scores by calculating based on values from the 4 vectors
+    pub fn ones_minus_zeros(grid: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
+        let mut rowsCount = grid.len();
+        let mut colsCount = grid[0].len();
+        let mut output = Vec::new();
+        for i in 0..rowsCount {
+            output.push(Vec::new());
+            for j in 0..colsCount {
+                output[i].push(0);
+            }
+        }
+        
+        let mut onesRow = vec![0; rowsCount];
+        let mut zerosRow = vec![0; rowsCount];
+        let mut onesCol = vec![0; colsCount];
+        let mut zerosCol = vec![0; colsCount];
+        
+        for (row_num, row) in grid.iter().enumerate() {
+            for (col_num, cell) in row.iter().enumerate() {
+                if *cell == 1 {
+                    onesRow[row_num] += 1;
+                    onesCol[col_num] += 1;
+                } else {
+                    zerosRow[row_num] += 1;
+                    zerosCol[col_num] += 1;
+                }
+            }            
+        }
+        
+        for i in 0..rowsCount {
+            for j in 0..colsCount {
+                output[i][j] = onesRow[i] + onesCol[j] - zerosRow[i] - zerosCol[j];
+            }
+        }
+        
+        return output;
+    }
+}