20240829 finished.

src/problem/mod.rs

@@ -218,4 +218,5 @@ mod p3145_find_products_of_elements_of_big_array;
 mod p3146_permutation_difference_between_two_strings;
 mod p698_partition_to_k_equal_sum_subsets;
 mod p3134_find_the_median_of_the_uniqueness_array;
-mod p3144_minimum_substring_partition_of_equal_character_frequency;
+mod p3144_minimum_substring_partition_of_equal_character_frequency;
+mod p3142_check_if_grid_satisfies_conditions;

src/problem/p3142_check_if_grid_satisfies_conditions.rs

@@ -0,0 +1,42 @@
+/**
+ * [3142] Check if Grid Satisfies Conditions
+ */
+pub struct Solution {}
+
+
+// submission codes start here
+
+impl Solution {
+    pub fn satisfies_conditions(grid: Vec<Vec<i32>>) -> bool {
+        let (m, n) = (grid.len(), grid[0].len());
+
+        for i in 0..n {
+            if i != 0 && grid[0][i] == grid[0][i - 1] {
+                return false;
+            }
+
+            for j in 1..m {
+                if grid[j][i] != grid[j - 1][i] {
+                    return false;
+                }
+            }
+        }
+
+        true
+    }
+}
+
+// submission codes end
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_3142() {
+        assert!(Solution::satisfies_conditions(vec![vec![1, 0, 2], vec![1, 0, 2]]));
+        assert!(!Solution::satisfies_conditions(vec![vec![1, 1, 1], vec![0, 0, 0]]));
+        assert!(Solution::satisfies_conditions(vec![vec![0]]));
+        assert!(!Solution::satisfies_conditions(vec![vec![1], vec![2], vec![3]]));
+    }
+}