Add leetcode problem 1550

Author: lht102

leetcode/src/01550_three_consecutive_odds/solution.go

@@ -0,0 +1,16 @@
+package leetcode
+
+func threeConsecutiveOdds(arr []int) bool {
+	cnt := 0
+	for _, num := range arr {
+		if num&1 == 1 {
+			cnt++
+		} else {
+			cnt = 0
+		}
+		if cnt == 3 {
+			return true
+		}
+	}
+	return false
+}

leetcode/src/01550_three_consecutive_odds/solution.rs

@@ -0,0 +1,21 @@
+struct Solution;
+
+impl Solution {
+    pub fn three_consecutive_odds(arr: Vec<i32>) -> bool {
+        arr.windows(3).any(|x| x[0] & x[1] & x[2] & 1 == 1)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test() {
+        let arr = vec![2, 6, 4, 1];
+        assert!(!Solution::three_consecutive_odds(arr));
+
+        let arr = vec![1, 2, 34, 3, 4, 5, 7, 23, 12];
+        assert!(Solution::three_consecutive_odds(arr));
+    }
+}

leetcode/src/01550_three_consecutive_odds/solution_test.go

@@ -0,0 +1,28 @@
+package leetcode
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestThreeConsecutiveOdds(t *testing.T) {
+	tests := []struct {
+		arr []int
+
+		expected bool
+	}{
+		{[]int{2, 6, 4, 1}, false},
+		{[]int{1, 2, 34, 3, 4, 5, 7, 23, 12}, true},
+	}
+
+	for i, tt := range tests {
+		tt := tt
+		t.Run(fmt.Sprintf("Test %d", i), func(t *testing.T) {
+			t.Parallel()
+			actual := threeConsecutiveOdds(tt.arr)
+			assert.Equal(t, tt.expected, actual)
+		})
+	}
+}

leetcode/src/lib.rs

@@ -1415,3 +1415,6 @@ mod non_overlapping_intervals;
 
 #[path = "00735_asteroid_collision/solution.rs"]
 mod asteroid_collision;
+
+#[path = "01550_three_consecutive_odds/solution.rs"]
+mod three_consecutive_odds;